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RCC-MR Edition 2007

© n°111-2007

GENERAL CONTENTS OF RCC-MR

REFERENCE SYMBOL

SECTION 1 NUCLEAR INSTALLATION COMPONENTS

Subsection "A" : General RA

Subsection "B" : Class 1 components RB

Subsection "C" : Class 2 components RC

Subsection "D" : Class 3 components RD

Subsection "H" : Supports RH

Subsection "K" : Examination and handling mechanisms RK

Subsection "Z" : Technical appendices RZ

SECTION 2 - MATERIALS RM

SECTION 3 - EXAMINATION METHODS RMC

SECTION 4 - WELDING RS

SECTION 5 - FABRICATION RF

Note: At the beginning of each section and sub-section more detailed tables of contents are given.

RCC-MR Edition 2007 Section 1 - Subsection A : general

© n°111-2007 Contents RA / 1

CONTENTS

SUBSECTION A: GENERAL

RA 1000 STRUCTURE OF THE CODE .................................................................................................................................. 1

RA 1100 GENERAL................................................................................................................................................................ 1RA 1200 GENERAL CONTENTS OF THE RCC-MR...................................................................................................................... 2RA 1300 LIST OF STANDARDS AND APPLICABLE EDITION ............................................................................................................ 2RA 1400 REFERENCES TO THE EQUIPEMENT SPECIFICATION..................................................................................................... 2

RA 2000 GENERAL PROVISIONS......................................................................................................................................... 3

RA 2100 DEFINITIONS............................................................................................................................................................ 3RA 2110 Prime Contractor and Operator......................................................................................................................... 3

RA 2111 Prime Contractor........................................................................................................................................... 3RA 2112 Operator........................................................................................................................................................ 3

RA 2120 Contractor ......................................................................................................................................................... 3RA 2130 Manufacturer..................................................................................................................................................... 3RA 2140 Subcontractor.................................................................................................................................................... 3RA 2150 Supplier (or lower-tier supplier) ......................................................................................................................... 3RA 2160 Supplier – Customer (Client)............................................................................................................................. 3RA 2170 Inspector ........................................................................................................................................................... 3RA 2180 Surveillance Agent ............................................................................................................................................ 3

RA 2200 SCOPE AND APPLICATION OF THE RCC-MR ............................................................................................................... 4RA 2300 INDICATION OF COMPLIANCE WITH THE RCC-MR ........................................................................................................ 4RA 2400 NON-CONFORMANCE TO THE APPLICABLE REQUIREMENTS............................................................................................ 4RA 2500 NON-CONFORMANCE TO THE PURCHASE ORDER-REQUIREMENTS (OTHER THAN RCC-MR).............................................. 4RA 2600 NON-CONFORMANCE WITH THE REQUIREMENTS OF THE RCC-MR ................................................................................ 4

RA 3000 DOCUMENTS........................................................................................................................................................... 7

RA 3100 EQUIPMENT SPECIFICATION....................................................................................................................................... 7RA 3200 GENERAL TECHNICAL DOCUMENTS............................................................................................................................. 7

RA 3210 Comprehensive layout and referencing documents .......................................................................................... 7RA 3220 Components part list ......................................................................................................................................... 7RA 3230 Description of fabrication shops ........................................................................................................................ 7

RA 3300 DOCUMENTS RELATING TO THE DESIGN ...................................................................................................................... 7RA 3310 Sizing report and stress report .......................................................................................................................... 7

RA 3400 DOCUMENTS RELATING TO PROCUREMENT ................................................................................................................. 8RA 3410 Technical part and product manufacturing programme..................................................................................... 8RA 3420 Part or product sub-purchase............................................................................................................................ 8

RA 3500 DOCUMENTS RELATING TO FABRICATION PROCESSES (OTHER THAN WELDING) ............................................................... 8RA 3510 Fabrication procedures or instructions .............................................................................................................. 8

RA 3600 WELDING DOCUMENTS ............................................................................................................................................. 8RA 3610 Welding data package ...................................................................................................................................... 8RA 3620 Filler materials acceptance documents and welding procedure documents ..................................................... 8RA 3630 Welding reports................................................................................................................................................. 9

RA 3700 DOCUMENTS RELATING TO EXAMINATION .................................................................................................................... 9RA 3710 Examination procedures or instructions ............................................................................................................ 9RA 3720 Examination reports .......................................................................................................................................... 9RA 3730 Hydrostatic reports............................................................................................................................................ 9

RA 3800 NON-CONFORMANCE REPORT AND DEVIATION REPORT................................................................................................. 9RA 3810 Non-conformance report ................................................................................................................................... 9RA 3820 Deviation report............................................................................................................................................... 10

RA 3900 TECHNICAL PREPARATION, FOLLOW-UP AND FINAL REPORT DOCUMENTS ...................................................................... 10RA 3910 Follow-up documents...................................................................................................................................... 10

RA 3911 Scope.......................................................................................................................................................... 10RA 3912 Contents of follow-up documents in the initial phase .................................................................................. 10RA 3913 Evolution of the follow-up documents during production............................................................................. 11RA 3914 Follow-up documents at the final phase...................................................................................................... 11

RA 3920 Certificat of compliance................................................................................................................................... 11

RCC-MR Edition 2007 Section 1 - Subsection A : general

Contents RA / 2 © n°111-2007

RA 3921 Scope .......................................................................................................................................................... 11RA 3922 Contents...................................................................................................................................................... 11

RA 3930 End-of-manufacturing report ........................................................................................................................... 12RA 3931 Scope .......................................................................................................................................................... 12RA 3932 Contents...................................................................................................................................................... 12

RA 4000 COMPONENTS SUBJECT TO THE RCC-MR AND COMPONENTS CLASSES.................................................. 13

RA 4100 COMPONENTS SUBJECT TO THE RCC-MR................................................................................................................ 13RA 4200 CLASSES 1, 2, 3 FOR COMPONENTS OR PARTS OF COMPONENTS OTHER THAN SUPPORTS AND MECHANISMS.................... 13

RA 4210 Principle .......................................................................................................................................................... 13RA 4220 Allocation of a class to a component or parts of a component ........................................................................ 13RA 4230 Number not used............................................................................................................................................. 13RA 4240 Change of class .............................................................................................................................................. 13RA 4250 Welds .............................................................................................................................................................. 13

RA 4300 COMPONENTS SUPPORTS ....................................................................................................................................... 14RA 4400 EXAMINATION AND HANDLING MECHANISMS............................................................................................................... 14RA 4500 APPLICATION OF THIS CODE AS A FUNCTION OF CLASS AND TYPE OF COMPONENT.......................................................... 14

RA 5000 QUALITY ASSURANCE......................................................................................................................................... 15

RA 5100 SCOPE.................................................................................................................................................................. 15RA 5200 RESPONSIBILITIES OF THE CONTRACTOR, MANUFACTURER OR SUPPLIER .................................................................... 15RA 5300 QUALITY ASSURANCE REQUIREMENTS ...................................................................................................................... 15

RCC-MR Edition 2007 Section 1 - Subsection B : class 1 components

© n°111-2007 Contents RB / 1

CONTENTS

SUBSECTION B: CLASS 1 COMPONENTS

RB 1000 GENERAL ................................................................................................................................................................ 1

RB 1100 INTRODUCTION ........................................................................................................................................................ 1RB 1200 REQUIRED DOCUMENTS............................................................................................................................................ 1

RB 1210 Equipment or component parts documents ...................................................................................................... 1RB 1211 Documents attached to the purchase order .................................................................................................. 1RB 1212 Preliminary design and manufacturing documents ....................................................................................... 1RB 1213 Documents prepared and updated during fabrication ................................................................................... 1RB 1214 Post-manufacturing documents .................................................................................................................... 1

RB 1220 Documents for components parts ..................................................................................................................... 2RB 1221 Procurement documents ............................................................................................................................... 2RB 1222 Manufacturing documents............................................................................................................................. 2RB 1223 Inspection documents ................................................................................................................................... 2RB 1224 Non-conformance report and deviation report............................................................................................... 2

RB 1300 IDENTIFICATION ....................................................................................................................................................... 2RB 1310 Purpose of equipment identification system...................................................................................................... 2RB 1320 Adaptation of identification system to production control methods.................................................................... 2RB 1330 Identification methods ....................................................................................................................................... 2RB 1340 Type of identification data ................................................................................................................................. 3RB 1350 Re-marking and re-labelling.............................................................................................................................. 3RB 1360 Marking methods .............................................................................................................................................. 3RB 1370 Refering of welds .............................................................................................................................................. 3

RB 1371 Identification marking .................................................................................................................................... 3RB 1372 Location marking........................................................................................................................................... 3

RB 2000 MATERIALS............................................................................................................................................................. 5

RB 2100 GENERAL................................................................................................................................................................ 5RB 2200 APPLICATION OF SECTION 2...................................................................................................................................... 5RB 2300 SUSCEPTIBILITY TO INTERGRANULAR CORROSION........................................................................................................ 5

RB 2310 Rules for classifying components according to susceptibility to intergranular corrosion ................................... 5RB 2320 Requirements.................................................................................................................................................... 5

RB 2321 Selection of steel grades............................................................................................................................... 5RB 2322 Detecting susceptibility to intergranular corrosion......................................................................................... 6

RB 2400 COBALT CONTENT OF AUSTENITIC AND AUSTENITIC-FERRITIC STAINLESS STEELS AND NICKEL ALLOYS ............................... 6

RB 3000 DESIGN RULES FOR CLASS 1 EQUIPMENT ........................................................................................................ 7

RB 3100 GENERAL DESIGN RULES .......................................................................................................................................... 7RB 3110 Purpose and limits of these rules ...................................................................................................................... 7RB 3120 Damages .......................................................................................................................................................... 7

RB 3121 P type damage.............................................................................................................................................. 7RB 3122 S type damage.............................................................................................................................................. 8RB 3123 Buckling ........................................................................................................................................................ 8RB 3124 Fast fracture.................................................................................................................................................. 8

RB 3130 Operating conditions ......................................................................................................................................... 9RB 3140 Loading considerations ..................................................................................................................................... 9RB 3150 Criteria levels .................................................................................................................................................... 9

RB 3151 Level A criteria .............................................................................................................................................. 9RB 3152 Level B criteria .............................................................................................................................................. 9RB 3153 Level C criteria ............................................................................................................................................ 10RB 3154 Level D criteria ............................................................................................................................................ 10RB 3155 Level 0 criteria............................................................................................................................................. 10

RB 3160 Minimum criteria levels applicable under various operating conditions........................................................... 10RB 3161 First and second category conditions.......................................................................................................... 10RB 3162 Third category conditions ............................................................................................................................ 10RB 3163 Fourth category conditions.......................................................................................................................... 10

RB 3170 Equipment Specification ................................................................................................................................. 10RB 3180 Stress report ................................................................................................................................................... 11RB 3190 Special considerations .................................................................................................................................... 11

RB 3191 Corrosion, erosion, erosion-corrosion ......................................................................................................... 11


Contents RB / 2 © n°111-2007

RB 3192 Attachements .............................................................................................................................................. 11RB 3193 Sudden variation in the mechanical properties at junctions......................................................................... 11RB 3194 Marking ....................................................................................................................................................... 12RB 3195 Thermal aging ............................................................................................................................................. 12

RB 3200 GENERAL RULES FOR ANALYZING COMPONENT BEHAVIOUR......................................................................................... 13RB 3210 General ........................................................................................................................................................... 13

RB 3211 Scope of application .................................................................................................................................... 13RB 3212 Purpose of the analyses.............................................................................................................................. 13RB 3213 Methods of analysis..................................................................................................................................... 13RB 3214 Zones of calculation .................................................................................................................................... 13RB 3215 Combination of analysis methods ............................................................................................................... 13RB 3216 Applicable rules........................................................................................................................................... 13

RB 3220 Analysis related terms..................................................................................................................................... 16RB 3221 Geometric discontinuities ............................................................................................................................ 16RB 3222 Cycles ......................................................................................................................................................... 16RB 3223 Structural behaviour .................................................................................................................................... 16RB 3224 Stresses ...................................................................................................................................................... 17RB 3225 Elastic follow-up .......................................................................................................................................... 22RB 3226 Usage fraction ............................................................................................................................................. 22RB 3227 Strains ......................................................................................................................................................... 24RB 3228 Collapse load .............................................................................................................................................. 25

RB 3230 Constitutive equations for materials used in the various analyses .................................................................. 31RB 3231 Elastic analysis............................................................................................................................................ 31RB 3232 Elastoplastic analysis of a structure subjected to a monotonic loading ....................................................... 31RB 3233 Elastoplastic analysis of a structure subjected to cyclic loading.................................................................. 32RB 3234 Elasto-visco-plastic analysis of a structure subjected to cyclic loading ....................................................... 32

RB 3240 Number not used............................................................................................................................................. 32RB 3250 Rules for the prevention of P type damage ..................................................................................................... 33

RB 3251 Negligible creep .......................................................................................................................................... 33RB 3252 Significant creep.......................................................................................................................................... 34

RB 3260 Rules for the prevention of S type damage ..................................................................................................... 37RB 3261 Negligible creep .......................................................................................................................................... 37RB 3262 Significant creep.......................................................................................................................................... 43RB 3263 Guidelines for defining load cycles.............................................................................................................. 49

RB 3270 Rules for buckling............................................................................................................................................ 61RB 3271 Negligible creep .......................................................................................................................................... 61RB 3272 Significant creep.......................................................................................................................................... 61

RB 3280 Rules for bolts ................................................................................................................................................. 62RB 3281 General requirements.................................................................................................................................. 62RB 3282 Preloaded bolted assemblies maintaining leaktightness - P type damage.................................................. 63RB 3283 Preloaded bolted assemblies maintaining leaktightness - S type damage.................................................. 67RB 3284 Preloaded bolted assemblies not maintaining leaktightness - P type damage ............................................ 67RB 3285 Preloaded bolted assemblies not maintaining leaktightness - S type damage ............................................ 69RB 3286 Non preloaded bolted assemblies ............................................................................................................... 70

RB 3290 Account for welded joints ................................................................................................................................ 75RB 3291 Rules for the prevention of P type damageP............................................................................................... 75RB 3292 Rules for the prevention of S type damage ................................................................................................. 75RB 3293 Determination of stresses in welds.............................................................................................................. 76

RB 3300 DESIGN RULES FOR SHELLS ..................................................................................................................................... 79RB 3310 General ........................................................................................................................................................... 79

RB 3311 Scope .......................................................................................................................................................... 79RB 3312 Acceptability of the design........................................................................................................................... 79

RB 3320 Analysis related terms..................................................................................................................................... 79RB 3321 General ....................................................................................................................................................... 79RB 3322 Geometrical definitions of shell components ............................................................................................... 79RB 3323 Number not used......................................................................................................................................... 79RB 3324 Loads and stresses ..................................................................................................................................... 80

RB 3330 Design rules .................................................................................................................................................... 86RB 3331 Determination of minimum thickness required ............................................................................................ 86RB 3332 Minimum thickness of shells subject to pressure ........................................................................................ 86RB 3333 Branch design rules..................................................................................................................................... 86RB 3334 Welded assembly design rules.................................................................................................................... 88RB 3335 Thickness transitions................................................................................................................................... 90

RB 3340 Analysis methods ............................................................................................................................................ 90RB 3350 Rules for the prevention of type P damage ..................................................................................................... 90RB 3360 Rules for the prevention of type S damage ..................................................................................................... 90RB 3370 Rules for buckling............................................................................................................................................ 90RB 3380 Rules for bolts ................................................................................................................................................. 91

RB 3400 NUMBER NOT USED .............................................................................................................................................. 106


© n°111-2007 Contents RB / 3

RB 3500 NUMBER NOT USED.............................................................................................................................................. 106RB 3600 DESIGN RULES FOR PIPING.................................................................................................................................... 107

RB 3610 General ......................................................................................................................................................... 107RB 3611 Scope........................................................................................................................................................ 107RB 3612 Acceptability of the design ........................................................................................................................ 107RB 3613 Rules for creep.......................................................................................................................................... 107RB 3614 Rules regarding loads ............................................................................................................................... 109RB 3615 Special requirements ................................................................................................................................ 110RB 3616 Use of specific piping elements................................................................................................................. 110RB 3617 Mechanical fittings .................................................................................................................................... 110RB 3618 Support elements...................................................................................................................................... 110

RB 3620 Analysis related terms................................................................................................................................... 113RB 3621 Definition of piping elements ..................................................................................................................... 113RB 3622 Definition of the geometry of piping elements ........................................................................................... 113RB 3623 Loads and stresses................................................................................................................................... 115RB 3624 Guidelines for establishing load cycles ..................................................................................................... 119RB 3625 Geometric discontinuities - Stress factors and indices - Flexibility factors ................................................ 120RB 3626 Usage fractions ......................................................................................................................................... 120RB 3627 Piping behaviour ....................................................................................................................................... 121RB 3628 Collapse load ............................................................................................................................................ 122

RB 3630 Design rules .................................................................................................................................................. 131RB 3631 Design rules for pipe lines......................................................................................................................... 131RB 3632 Design rules for piping elements............................................................................................................... 132RB 3633 Welded assembly design rules ................................................................................................................. 136RB 3634 Thickness transitions................................................................................................................................. 137

RB 3640 Analysis methods.......................................................................................................................................... 148RB 3641 Types of analysis compatible with the rules of RB 3600 ........................................................................... 148RB 3642 Principle of the beam method ................................................................................................................... 148RB 3643 Linear elastic beams method .................................................................................................................... 148RB 3644 Inelastic beam method (Not supplied)....................................................................................................... 151

RB 3650 Rules for the prevention of P type damage................................................................................................... 154RB 3651 Negligible creep ........................................................................................................................................ 154RB 3652 Significant creep ....................................................................................................................................... 156

RB 3660 Rules for the prevention of S type damage................................................................................................... 158RB 3661 Negligible creep ........................................................................................................................................ 158RB 3662 Significant creep ....................................................................................................................................... 161

RB 3670 Rules for buckling ......................................................................................................................................... 171RB 3671 General ..................................................................................................................................................... 171RB 3672 Negligible creep ........................................................................................................................................ 171RB 3673 Significant creep (Not supplied) ................................................................................................................ 171

RB 3680 Stress factors – Stress indices...................................................................................................................... 171RB 3681 General ..................................................................................................................................................... 171RB 3682 Number not used ...................................................................................................................................... 171RB 3683 Stress factors values................................................................................................................................. 171RB 3684 Definition of the stress indices .................................................................................................................. 175RB 3685 Values of stress indices ............................................................................................................................ 176

RB 3700 NUMBER NOT USED.............................................................................................................................................. 180RB 3800 DESIGN RULES FOR BOX STRUCTURES ................................................................................................................... 181

RB 3810 General ......................................................................................................................................................... 181RB 3811 Scope........................................................................................................................................................ 181RB 3812 Acceptability of the design ........................................................................................................................ 181RB 3813 Classification of welded assemblies.......................................................................................................... 181

RB 3820 Analysis related terms................................................................................................................................... 181RB 3830 Design rules .................................................................................................................................................. 181

RB 3831 Box structure design rules (Not supplied) ................................................................................................. 181RB 3832 Number not used ...................................................................................................................................... 181RB 3833 Welded assembly design rules ................................................................................................................. 181

RB 3840 Analysis methods.......................................................................................................................................... 182RB 3850 Rules for the prevention of type P damage................................................................................................... 182RB 3860 Rules for the prevention of type S damage................................................................................................... 182RB 3870 Rules for buckling ......................................................................................................................................... 182RB 3880 Rules for bolts ............................................................................................................................................... 182

RB 3900 DESIGN RULES FOR HEAT EXCHANGER ELEMENTS.................................................................................................... 189RB 3910 General ......................................................................................................................................................... 189

RB 3911 Scope........................................................................................................................................................ 189RB 3912 Design acceptability .................................................................................................................................. 189

RB 3920 Analysis related terms................................................................................................................................... 189RB 3921 General ..................................................................................................................................................... 189RB 3922 Geometrical definitions of heat exchanger elements ................................................................................ 189


Contents RB / 4 © n°111-2007

RB 3923 Number not used....................................................................................................................................... 190RB 3924 Loads and stresses ................................................................................................................................... 190

RB 3930 Design rules .................................................................................................................................................. 191RB 3931 Determination of minimum required thickness .......................................................................................... 191RB 3932 Minimum thickness of pressure retaining shells ........................................................................................ 191RB 3933 Minimum thickness of exchange tubes...................................................................................................... 191RB 3934 Minimum thickness of flat tubeplates......................................................................................................... 192RB 3935 Design rules for branch connections ......................................................................................................... 192RB 3936 Welded assembly design rules.................................................................................................................. 192RB 3937 Thickness transitions................................................................................................................................. 195

RB 3940 Analysis methods .......................................................................................................................................... 195RB 3941 General ..................................................................................................................................................... 195RB 3942 Shells ........................................................................................................................................................ 195RB 3943 Exchange tubes ........................................................................................................................................ 195RB 3944 Tubeplates ................................................................................................................................................ 196

RB 3950 Rules for the prevention of type P damage ................................................................................................... 196RB 3960 Rules for the prevention of type S damage ................................................................................................... 196RB 3970 Rules for buckling.......................................................................................................................................... 196RB 3980 Rules for bolts ............................................................................................................................................... 196

RB 4000 FABRICATION AND ASSOCIATED EXAMINATIONS........................................................................................ 225

RB 4100 GENERAL ............................................................................................................................................................ 225RB 4200 PRELIMINARY DOCUMENTS AND REQUIREMENTS FOR FABRICATION AND EXAMINATION ................................................. 225

RB 4210 Documents .................................................................................................................................................... 225RB 4220 Procurement of parts and products ............................................................................................................... 225

RB 4221 Manufacturer’s verification of acceptance and identification ..................................................................... 225RB 4222 Storage...................................................................................................................................................... 225

RB 4230 Acceptance and qualification......................................................................................................................... 225RB 4231 Welding ..................................................................................................................................................... 225RB 4232 Forming - Surface treatment ..................................................................................................................... 226RB 4233 Non-destructive examination..................................................................................................................... 226

RB 4240 Work area...................................................................................................................................................... 226RB 4300 FABRICATION OPERATIONS.................................................................................................................................... 226

RB 4310 General ......................................................................................................................................................... 226RB 4320 Marking ......................................................................................................................................................... 227RB 4330 Cutting - Reparation without welding............................................................................................................. 227RB 4340 Forming and alignment ................................................................................................................................. 227RB 4350 Surface treatment.......................................................................................................................................... 227RB 4360 Cleanliness.................................................................................................................................................... 227RB 4370 Mechanical joints........................................................................................................................................... 227RB 4380 Heat treatment .............................................................................................................................................. 227

RB 4400 WELDING AND ASSOCIATED TECHNIQUES................................................................................................................ 227RB 4410 General ......................................................................................................................................................... 227RB 4420 Storage and use of welding products ............................................................................................................ 227RB 4430 Preparation and examination of edges and surfaces for welding .................................................................. 227RB 4440 Welding of production welds ......................................................................................................................... 228RB 4450 Repair by welding.......................................................................................................................................... 228RB 4460 Non-destructive examination of production welds ......................................................................................... 228

RB 4461 Scope ........................................................................................................................................................ 228RB 4462 Stage......................................................................................................................................................... 228RB 4463 Acceptance criteria.................................................................................................................................... 228RB 4464 Test reports ............................................................................................................................................... 228

RB 4470 Production weld test coupons and destructive tests...................................................................................... 228RB 4480 Chemical analysis of cladding ....................................................................................................................... 228RB 4490 Hardfacing..................................................................................................................................................... 229

RB 4491 Hardfacing by weld deposition of cobalt based alloys ............................................................................... 229RB 4492 Other types of hardfacing .......................................................................................................................... 229

RCC-MR Edition 2007 Section 1 - Subsection C : class 2 components

© n°111-2007 Contents RC / 1

CONTENTS

SUBSECTION C: CLASS 2 COMPONENTS

RC 1000 GENERAL ................................................................................................................................................................ 1

RC 1100 INTRODUCTION ........................................................................................................................................................ 1RC 1200 REQUIRED DOCUMENTS ............................................................................................................................................ 1

RC 1210 Equipment or component parts documents ...................................................................................................... 1RC 1211 Documents attached to the purchase order .................................................................................................. 1RC 1212 Preliminary design and manufacturing documents ....................................................................................... 1RC 1213 Documents prepared and updated during fabrication ................................................................................... 1RC 1214 Post-manufacturing documents .................................................................................................................... 1

RC 1220 Documents for components parts ..................................................................................................................... 2RC 1221 Procurement documents ............................................................................................................................... 2RC 1222 Manufacturing documents............................................................................................................................. 2RC 1223 Inspection documents ................................................................................................................................... 2RC 1224 Non-conformance report and deviation report............................................................................................... 2

RC 1300 IDENTIFICATION ....................................................................................................................................................... 2RC 1310 Purpose of equipment identification system...................................................................................................... 2RC 1320 Adaptation of identification system to production control methods.................................................................... 2RC 1330 Identification methods ....................................................................................................................................... 2RC 1340 Type of identification data ................................................................................................................................. 3RC 1350 Re-marking and re-labelling.............................................................................................................................. 3RC 1360 Marking methods .............................................................................................................................................. 3RC 1370 Refering of welds .............................................................................................................................................. 3

RC 1371 Identification marking .................................................................................................................................... 3RC 1372 Location marking........................................................................................................................................... 3

RC 2000 MATERIALS............................................................................................................................................................. 5

RC 2100 GENERAL................................................................................................................................................................ 5RC 2200 APPLICATION OF SECTION 2...................................................................................................................................... 5RC 2300 SUSCEPTIBILITY TO INTERGRANULAR CORROSION........................................................................................................ 5

RC 2310 Rules for classifying components according to susceptibility to intergranular corrosion ................................... 5RC 2320 Requirements.................................................................................................................................................... 5

RC 2321 Selection of steel grades............................................................................................................................... 5RC 2322 Detecting susceptibility to intergranular corrosion......................................................................................... 6

RC 2400 COBALT CONTENT OF AUSTENITIC AND AUSTENITIC-FERRITIC STAINLESS STEELS AND NICKEL ALLOYS ............................... 6

RC 3000 DESIGN RULES FOR CLASS 2 EQUIPMENT ........................................................................................................ 7

RC 3100 GENERAL DESIGN RULES .......................................................................................................................................... 7RC 3200 GENERAL RULES FOR ANALYZING COMPONENT BEHAVIOUR........................................................................................... 7RC 3300 DESIGN RULES FOR SHELLS ...................................................................................................................................... 7

RC 3310 General ............................................................................................................................................................. 7RC 3311 Scope............................................................................................................................................................ 7RC 3312 Acceptability of the design ............................................................................................................................ 7

RC 3320 Analysis related terms....................................................................................................................................... 7RC 3321 General ......................................................................................................................................................... 7RC 3322 Geometrical definitions of shell components................................................................................................. 7RC 3323 Number not used .......................................................................................................................................... 8RC 3324 Loads and stresses....................................................................................................................................... 8

RC 3330 Design rules .................................................................................................................................................... 14RC 3331 Determination of minimum thickness required ............................................................................................ 14RC 3332 Minimum thickness of shells subject to pressure ........................................................................................ 14RC 3333 Branch design rules .................................................................................................................................... 14RC 3334 Welded assembly design rules ................................................................................................................... 16RC 3335 Thickness transitions................................................................................................................................... 18

RC 3340 Analysis methods............................................................................................................................................ 18RC 3350 Rules for the prevention of type P damage..................................................................................................... 18RC 3360 Rules for the prevention of type S damage..................................................................................................... 19RC 3370 Rules for buckling ........................................................................................................................................... 19RC 3380 Rules for bolts ................................................................................................................................................. 19


Contents RC / 2 © n°111-2007

RC 3400 NUMBER NOT USED ................................................................................................................................................ 36RC 3500 DESIGN RULES FOR VALVES IN SODIUM AND HOT ARGON SYSTEMS............................................................................... 37

RC 3510 General ........................................................................................................................................................... 37RC 3511 Scope .......................................................................................................................................................... 37RC 3512 Acceptability of the design........................................................................................................................... 37RC 3513 Rules relating to loadings ............................................................................................................................ 37

RC 3520 Analysis related terms..................................................................................................................................... 37RC 3521 Principal valves ........................................................................................................................................... 37RC 3522 Nomenclature of the components of the principal valves ............................................................................ 37RC 3523 Nominal diameter ........................................................................................................................................ 38RC 3524 Pressures and temperatures ....................................................................................................................... 38

RC 3530 Design rules .................................................................................................................................................... 38RC 3531 Minimum thickness of the body wall and the bonnet ................................................................................... 38RC 3532 Reinforcement of the body-neck crotch region............................................................................................ 38RC 3533 Body design ................................................................................................................................................ 39RC 3534 Welded assembly design rules.................................................................................................................... 39

RC 3540 Number not used............................................................................................................................................. 40RC 3550 Rules for the prevention of type P damage ..................................................................................................... 40

RC 3551 Neck-body crotch region ............................................................................................................................. 40RC 3552 Body-bonnet bolting .................................................................................................................................... 41RC 3553 Disk ............................................................................................................................................................. 41RC 3554 Bellows (Not supplied)................................................................................................................................. 41

RC 3560 Rules for the prevention of type S damage ..................................................................................................... 41RC 3561 Neck-nozzle crotch region (Not supplied).................................................................................................... 41RC 3562 Body-bonnet bolted connection................................................................................................................... 41RC 3563 Disk ............................................................................................................................................................. 41RC 3564 Bellows (Not supplied)................................................................................................................................. 41

RC 3570 Rules for buckling............................................................................................................................................ 41RC 3580 Rules for bolts ................................................................................................................................................. 42RC 3590 qualification testings........................................................................................................................................ 42

RC 3591 General ....................................................................................................................................................... 42RC 3592 Materials...................................................................................................................................................... 42RC 3593 Valve qualification ....................................................................................................................................... 42RC 3594 Non-destructive examinations and tests...................................................................................................... 43

RC 3600 DESIGN RULES FOR PIPES ....................................................................................................................................... 59RC 3700 DESIGN RULES FOR BELLOWS.................................................................................................................................. 59

RC 3710 general ............................................................................................................................................................ 59RC 3711 Scope .......................................................................................................................................................... 59RC 3712 Acceptability of the design........................................................................................................................... 59

RC 3720 Analysis related terms..................................................................................................................................... 59RC 3721 Bellows........................................................................................................................................................ 59RC 3722 Expansion device ........................................................................................................................................ 59

RC 3730 Design rules .................................................................................................................................................... 59RC 3731 Geometrical conditions................................................................................................................................ 59RC 3732 Assembly conditions.................................................................................................................................... 59RC 3733 Welded assembly design rules.................................................................................................................... 60

RC 3740 Number not used............................................................................................................................................. 60RC 3750 Rules for the prevention of type P damage ..................................................................................................... 60RC 3760 Rules for the prevention of type S damage ..................................................................................................... 60RC 3770 Rules for buckling............................................................................................................................................ 60

RC 3800 DESIGN RULES FOR BOX STRUCTURES...................................................................................................................... 63RC 3810 General ........................................................................................................................................................... 63

RC 3811 Scope .......................................................................................................................................................... 63RC 3812 Acceptability of the design........................................................................................................................... 63

RC 3820 Analysis related terms..................................................................................................................................... 63RC 3821 General ....................................................................................................................................................... 63RC 3822 Thicknesses and branches.......................................................................................................................... 63RC 3823 Loads and stresses ..................................................................................................................................... 63

RC 3830 Design rules .................................................................................................................................................... 64RC 3831 Determination of minimum thickness required ............................................................................................ 64RC 3832 Branch design rules..................................................................................................................................... 64RC 3833 Welded assembly design rules.................................................................................................................... 64RC 3834 Thickness transitions................................................................................................................................... 65

RC 3840 Analysis methods ............................................................................................................................................ 65RC 3850 Rules for the prevention of type P damage ..................................................................................................... 65

RC 3851 Elastic analysis............................................................................................................................................ 65RC 3852 Inelastic analysis ......................................................................................................................................... 66

RC 3860 Rules for the prevention of type S damage ..................................................................................................... 66RC 3870 Rules for buckling............................................................................................................................................ 66


© n°111-2007 Contents RC / 3

RC 3880 Rules for bolts ................................................................................................................................................. 66RC 3900 DESIGN RULES FOR HEAT EXCHANGER ELEMENTS...................................................................................................... 69

RC 3910 General ........................................................................................................................................................... 69RC 3911 Scope.......................................................................................................................................................... 69RC 3912 Design acceptability .................................................................................................................................... 69

RC 3920 Analysis related terms..................................................................................................................................... 69RC 3921 General ....................................................................................................................................................... 69RC 3922 Geometrical definitions of heat exchanger elements .................................................................................. 69RC 3923 Number not used ........................................................................................................................................ 70RC 3924 Loads and stresses..................................................................................................................................... 70

RC 3930 Design rules .................................................................................................................................................... 71RC 3931 Determination of minimum required thickness ............................................................................................ 71RC 3932 Minimum thickness of pressure retaining shells.......................................................................................... 71RC 3933 Minimum thickness of exchange tubes ....................................................................................................... 71RC 3934 Minimum thickness of flat tubeplates .......................................................................................................... 72RC 3935 Design rules for branch connections........................................................................................................... 72RC 3936 Welded assembly design rules ................................................................................................................... 72RC 3937 Thickness transitions................................................................................................................................... 75

RC 3940 Analysis methods............................................................................................................................................ 75RC 3941 General ....................................................................................................................................................... 75RC 3942 Shells .......................................................................................................................................................... 75RC 3943 Exchange tubes .......................................................................................................................................... 75RC 3944 Tubeplates .................................................................................................................................................. 76

RC 3950 Rules for the prevention of type P damage..................................................................................................... 76RC 3960 Rules for the prevention of type S damage..................................................................................................... 76RC 3970 Rules for buckling ........................................................................................................................................... 76RC 3980 Rules for bolts ................................................................................................................................................. 76

RC 4000 FABRICATION AND ASSOCIATED EXAMINATIONS........................................................................................ 107

RC 4100 GENERAL............................................................................................................................................................ 107RC 4200 PRELIMINARY DOCUMENTS AND REQUIREMENTS FOR FABRICATION AND EXAMINATION ................................................. 107

RC 4210 Documents.................................................................................................................................................... 107RC 4220 Procurement of parts and products............................................................................................................... 107

RC 4221 Manufacturer’s verification of acceptance and identification ..................................................................... 107RC 4222 Storage ..................................................................................................................................................... 107

RC 4230 Acceptance and qualification ........................................................................................................................ 107RC 4231 Welding ..................................................................................................................................................... 107RC 4232 Forming - Surface treatment ..................................................................................................................... 108RC 4233 Non-destructive examination..................................................................................................................... 108

RC 4240 Work area ..................................................................................................................................................... 108RC 4300 FABRICATION OPERATIONS.................................................................................................................................... 108

RC 4310 General ......................................................................................................................................................... 108RC 4320 Marking ......................................................................................................................................................... 108RC 4330 Cutting - Reparation without welding ............................................................................................................ 108RC 4340 Forming and alignment ................................................................................................................................. 108RC 4350 Surface treatment ......................................................................................................................................... 108RC 4360 Cleanliness ................................................................................................................................................... 108RC 4370 Mechanical joints .......................................................................................................................................... 108RC 4380 Heat treatment .............................................................................................................................................. 108

RC 4400 WELDING AND ASSOCIATED TECHNIQUES................................................................................................................ 109RC 4410 General ......................................................................................................................................................... 109RC 4420 Storage and use of welding products............................................................................................................ 109RC 4430 Preparation and examination of edges and surfaces for welding.................................................................. 109RC 4440 Welding of production welds ......................................................................................................................... 109RC 4450 Repair by welding ......................................................................................................................................... 109RC 4460 Non-destructive examination of production welds......................................................................................... 109

RC 4461 Scope........................................................................................................................................................ 109RC 4462 Stage......................................................................................................................................................... 109RC 4463 Acceptance criteria ................................................................................................................................... 110

RC 4470 Production weld test coupons and destructive tests ..................................................................................... 110RC 4480 Chemical analysis of cladding....................................................................................................................... 110RC 4490 Hardfacing..................................................................................................................................................... 110

RC 4491 Hardfacing by weld deposition of cobalt based alloys............................................................................... 110RC 4492 Other types of hardfacing.......................................................................................................................... 110

RCC-MR Edition 2007 Section 1 – Subsection D : class 3 components

© n°111-2007 Contents RD / 1

CONTENTS

SUBSECTION D: CLASS 3 COMPONENTS

RD 1000 GENERAL ................................................................................................................................................................ 1

RD 1100 INTRODUCTION ........................................................................................................................................................ 1RD 1200 REQUIRED DOCUMENTS ............................................................................................................................................ 1

RD 1210 Equipment or component parts documents ...................................................................................................... 1RD 1211 Documents attached to the purchase order .................................................................................................. 1RD 1212 Preliminary design and manufacturing documents ....................................................................................... 1RD 1213 Documents prepared and updated during fabrication ................................................................................... 1RD 1214 Post-manufacturing documents .................................................................................................................... 1

RD 1220 Documents for components parts ..................................................................................................................... 2RD 1221 Procurement documents ............................................................................................................................... 2RD 1222 Manufacturing documents............................................................................................................................. 2RD 1223 Inspection documents ................................................................................................................................... 2RD 1224 Non-conformance report and deviation report............................................................................................... 2

RD 1300 IDENTIFICATION ....................................................................................................................................................... 2RD 1310 Purpose of equipment identification system...................................................................................................... 2RD 1320 Adaptation of identification system to production control methods.................................................................... 2RD 1330 Identification methods ....................................................................................................................................... 2RD 1340 Type of identification data ................................................................................................................................. 3RD 1350 Re-marking and re-labelling.............................................................................................................................. 3RD 1360 Marking methods .............................................................................................................................................. 3RD 1370 Refering of welds .............................................................................................................................................. 3

RD 1371 Identification marking .................................................................................................................................... 3RD 1372 Location marking........................................................................................................................................... 3

RD 2000 MATERIALS............................................................................................................................................................. 5

RD 2100 GENERAL................................................................................................................................................................ 5RD 2200 APPLICATION OF SECTION 2...................................................................................................................................... 5RD 2300 SUSCEPTIBILITY TO INTERGRANULAR CORROSION........................................................................................................ 5

RD 2310 Rules for classifying components according to susceptibility to intergranular corrosion ................................... 5RD 2320 Requirements.................................................................................................................................................... 5

RD 2321 Selection of steel grades............................................................................................................................... 5RD 2322 Detecting susceptibility to intergranular corrosion......................................................................................... 6

RD 2400 COBALT CONTENT OF AUSTENITIC AND AUSTENITIC-FERRITIC STAINLESS STEELS AND NICKEL ALLOYS ............................... 6

RD 3000 DESIGN RULES FOR CLASS 3 EQUIPMENT ........................................................................................................ 7

RD 3100 GENERAL DESIGN RULES .......................................................................................................................................... 7RD 3110 Purpose and limits of these rules ...................................................................................................................... 7RD 3120 Operating conditions ......................................................................................................................................... 7RD 3130 Loading considerations ..................................................................................................................................... 7RD 3140 Criteria levels .................................................................................................................................................... 7RD 3150 Minimum criteria levels applicable under various operating conditions............................................................. 8

RD 3151 First and second category conditions............................................................................................................ 8RD 3152 Third category conditions .............................................................................................................................. 8RD 3153 Fourth category conditions............................................................................................................................ 8

RD 3160 Equipment Specification ................................................................................................................................... 8RD 3170 Stress report ..................................................................................................................................................... 8RD 3180 Special considerations ...................................................................................................................................... 9

RD 3181 Corrosion, erosion, erosion-corrosion ........................................................................................................... 9RD 3182 Attachements ................................................................................................................................................ 9RD 3183 Sudden variation in the mechanical properties at junctions .......................................................................... 9RD 3184 Marking ......................................................................................................................................................... 9RD 3185 Nuclear cleanliness requirements ................................................................................................................. 9

RD 3200 NUMBER NOT USED................................................................................................................................................ 10RD 3300 DESIGN RULES FOR SHELLS..................................................................................................................................... 11

RD 3310 General ........................................................................................................................................................... 11RD 3311 Scope.......................................................................................................................................................... 11RD 3312 Acceptability of the design .......................................................................................................................... 11


Contents RD / 2 © n°111-2007

RD 3313 Rules relating to temperature and operating time ....................................................................................... 11RD 3314 Rules relating to loading.............................................................................................................................. 11RD 3315 Special requirements................................................................................................................................... 11

RD 3320 Analysis related terms..................................................................................................................................... 11RD 3321 Geometrical definitions................................................................................................................................ 11RD 3322 Thicknesses ................................................................................................................................................ 12RD 3323 Design pressure, design temperature ......................................................................................................... 12

RD 3330 Design rules .................................................................................................................................................... 14RD 3331 Determination of minimum thickness required ............................................................................................ 14RD 3332 Openings and their reinforcements ............................................................................................................. 18RD 3333 Number not used......................................................................................................................................... 21RD 3334 Welded assembly design rules.................................................................................................................... 21RD 3335 Thickness transitions................................................................................................................................... 22

RD 3340 Number not used............................................................................................................................................. 52RD 3350 Rules for analyzing component behaviour ...................................................................................................... 53

RD 3351 Scope .......................................................................................................................................................... 53RD 3352 Analysis method.......................................................................................................................................... 53RD 3353 Stresses ...................................................................................................................................................... 53RD 3354 Classification of stresses in the branches ................................................................................................... 54RD 3355 Stress limits to be respected ....................................................................................................................... 55

RD 3360 Rules relating to cyclic loadings ...................................................................................................................... 55RD 3361 General ....................................................................................................................................................... 55RD 3362 Experience acquired in service ................................................................................................................... 56RD 3363 Rules applicable to cyclic loadings.............................................................................................................. 56

RD 3370 Rules for buckling............................................................................................................................................ 57RD 3371 Level A criteria ............................................................................................................................................ 57RD 3372 Level C criteria ............................................................................................................................................ 57RD 3373 Level D criteria ............................................................................................................................................ 57

RD 3380 Rules for bolts ................................................................................................................................................. 57RD 3381 Nuts and bolts and bolted junctions ............................................................................................................ 57

RD 3400 NUMBER NOT USED ................................................................................................................................................ 62RD 3500 NUMBER NOT USED ................................................................................................................................................ 62RD 3600 DESIGN RULES FOR PIPING...................................................................................................................................... 63

RD 3610 General ........................................................................................................................................................... 63RD 3611 Scope .......................................................................................................................................................... 63RD 3612 Acceptability of the design........................................................................................................................... 63RD 3613 Negligible creep test.................................................................................................................................... 63RD 3614 Rules regarding loads ................................................................................................................................. 63RD 3615 Special requirements................................................................................................................................... 64RD 3616 Use of expansion joints ............................................................................................................................... 64RD 3617 Mechanical fittings....................................................................................................................................... 65RD 3618 Support elements ........................................................................................................................................ 65

RD 3620 Analysis related terms..................................................................................................................................... 66RD 3621 Definition of piping elements ....................................................................................................................... 66RD 3622 Definition of the geometry of piping elements ............................................................................................. 67RD 3623 Loads and stresses ..................................................................................................................................... 68RD 3624 Number not used......................................................................................................................................... 69RD 3625 Stress factors - Flexibility factors................................................................................................................. 69RD 3626 Maximum allowable stresses S and SA ...................................................................................................... 69

RD 3630 Design rules .................................................................................................................................................... 74RD 3631 Design rules for pipe lines ........................................................................................................................... 74RD 3632 Design rules for piping elements ................................................................................................................. 75RD 3633 Welded assembly design rules.................................................................................................................... 83

RD 3640 Analysis methods ............................................................................................................................................ 96RD 3641 Types of analysis compatible with the rules of RD 3600 ............................................................................. 96RD 3642 Principle of the beam method...................................................................................................................... 96RD 3643 Linear elastic beam method ........................................................................................................................ 96RD 3644 Flexibility factors.......................................................................................................................................... 96RD 3645 Calculation of hot and cold reactions........................................................................................................... 97

RD 3650 Stress analysis ................................................................................................................................................ 98RD 3651 Level A criteria ............................................................................................................................................ 98RD 3652 Level C criteria ............................................................................................................................................ 99RD 3653 Level D criteria ............................................................................................................................................ 99

RD 3660 Number not used............................................................................................................................................. 99RD 3670 Number not used............................................................................................................................................. 99RD 3680 Stress factors ................................................................................................................................................ 100

RD 3681 General ..................................................................................................................................................... 100RD 3682 Stress factors values ................................................................................................................................. 100

RD 4000 FABRICATION AND ASSOCIATED EXAMINATIONS........................................................................................ 103


© n°111-2007 Contents RD / 3

RD 4100 GENERAL............................................................................................................................................................ 103RD 4200 PRELIMINARY DOCUMENTS AND REQUIREMENTS FOR FABRICATION AND EXAMINATION ................................................. 103

RD 4210 Documents.................................................................................................................................................... 103RD 4220 Procurement of parts and products............................................................................................................... 103

RD 4221 Manufacturer’s verification of acceptance and identification ..................................................................... 103RD 4222 Storage ..................................................................................................................................................... 103

RD 4230 Acceptance and qualification ........................................................................................................................ 103RD 4231 Welding ..................................................................................................................................................... 103RD 4232 Forming - Surface treatment ..................................................................................................................... 104RD 4233 Non-destructive examination..................................................................................................................... 104

RD 4240 Work area ..................................................................................................................................................... 104RD 4300 FABRICATION OPERATIONS.................................................................................................................................... 104

RD 4310 General ......................................................................................................................................................... 104RD 4320 Marking ......................................................................................................................................................... 104RD 4330 Cutting - Reparation without welding ............................................................................................................ 104RD 4340 Forming and alignment ................................................................................................................................. 104RD 4350 Surface treatment ......................................................................................................................................... 104RD 4360 Cleanliness ................................................................................................................................................... 104RD 4370 Mechanical joints .......................................................................................................................................... 104RD 4380 Heat treatment .............................................................................................................................................. 104

RD 4400 WELDING AND ASSOCIATED TECHNIQUES................................................................................................................ 105RD 4410 General ......................................................................................................................................................... 105RD 4420 Storage and use of welding products............................................................................................................ 105RD 4430 Preparation and examination of edges and surfaces for welding.................................................................. 105RD 4440 Welding of production welds ......................................................................................................................... 105RD 4450 Repair by welding ......................................................................................................................................... 105RD 4460 Non-destructive examination of production welds......................................................................................... 105

RD 4461 Acceptance criteria ................................................................................................................................... 105RD 4470 Production weld test coupons and destructive tests ..................................................................................... 105RD 4480 Chemical analysis of cladding....................................................................................................................... 105RD 4490 Hardfacing..................................................................................................................................................... 105

RD 4491 Hardfacing by weld deposition of cobalt based alloys............................................................................... 105RD 4492 Other types of hardfacing.......................................................................................................................... 105

RCC-MR Edition 2007 Section 1 - Subsection H : supports

© n°111-2007 Contents RH / 1

CONTENTS

SUBSECTION H: SUPPORTS

RH 1000 GENERAL ................................................................................................................................................................ 1

RH 1100 INTRODUCTION ........................................................................................................................................................ 1RH 1200 SCOPE ................................................................................................................................................................... 1

RH 1210 General ............................................................................................................................................................. 1RH 1220 Juridictional boundaries of subsection H........................................................................................................... 1

RH 1221 Jurisdictional boundary between supported component and support ........................................................... 1RH 1222 Jurisdictional boundary between component or support and building structure ............................................ 2

RH 1300 CLASSIFICATION OF SUPPORTS.................................................................................................................................. 2RH 1310 Support classes ................................................................................................................................................ 2RH 1320 Changes in classification .................................................................................................................................. 2RH 1330 Application of this subsection H according to class........................................................................................... 3

RH 1400 TYPES OF SUPPORTS AND ATTACHEMENTS ................................................................................................................. 3RH 1410 Types of supports ............................................................................................................................................. 3

RH 1411 General ......................................................................................................................................................... 3RH 1412 Plate or shell type supports........................................................................................................................... 3RH 1413 Linear type support ....................................................................................................................................... 3RH 1414 Standard supports or standard support members......................................................................................... 3

RH 1420 Types of attachements...................................................................................................................................... 3RH 1500 REQUIRED DOCUMENTS............................................................................................................................................ 4

RH 1510 Documents relating to component supports...................................................................................................... 4RH 1511 Documents attached to the purchase order .................................................................................................. 4RH 1512 Preliminary design and manufacturing documents ....................................................................................... 4RH 1513 Documents prepared and updated during fabrication ................................................................................... 4RH 1514 Documents to be prepared after fabrication and installation ......................................................................... 4

RH 1520 Documents relating to support members .......................................................................................................... 4RH 1521 Procurement documents ............................................................................................................................... 4RH 1522 Manufacturing documents............................................................................................................................. 5

RH 1600 IDENTIFICATION ....................................................................................................................................................... 5RH 1610 Purpose of identification system ....................................................................................................................... 5RH 1620 Adaptation of identification system to production control methods.................................................................... 5RH 1630 Identification methods ....................................................................................................................................... 5RH 1640 Type of identification data ................................................................................................................................. 5RH 1650 Re-marking and relabelling ............................................................................................................................... 6RH 1660 Marking methods .............................................................................................................................................. 6RH 1670 Identification and marking of welds ................................................................................................................... 6RH 1680 Identification and marking of springs................................................................................................................. 6

RH 2000 MATERIALS........................................................................................................................................................... 21

RH 2100 GENERAL.............................................................................................................................................................. 21RH 2200 CONDITIONS OF APPLICATION.................................................................................................................................. 21RH 2300 ADDITIONAL REQUIREMENTS ................................................................................................................................... 21

RH 2310 Lamellar tearing .............................................................................................................................................. 21RH 2320 Application of specification RM 1131 .............................................................................................................. 21RH 2330 Application of specifications RM 3331 and RM 3332 ...................................................................................... 21RH 2340 Number not used ............................................................................................................................................ 21RH 2350 Resistance to intergranular corrosion ............................................................................................................. 21

RH 3000 DESIGN RULES FOR SUPPORTS........................................................................................................................ 23

RH 3100 GENERAL DESIGN RULES ......................................................................................................................................... 23RH 3110 Scope.............................................................................................................................................................. 23RH 3120 Conditions....................................................................................................................................................... 23

RH 3121 Operating conditions ................................................................................................................................... 23RH 3122 Design condition ......................................................................................................................................... 23RH 3123 Test condition.............................................................................................................................................. 23

RH 3130 Loading considerations ................................................................................................................................... 23RH 3131 Loads .......................................................................................................................................................... 23RH 3132 Loads associated with operating conditions................................................................................................ 24


Contents RH / 2 © n°111-2007

RH 3133 Design condition loads ................................................................................................................................ 24RH 3140 Applicable methods for analysis, criteria levels ............................................................................................... 24

RH 3141 Methods of analysis..................................................................................................................................... 24RH 3150 Minimum criteria levels applicable under various operating conditions ........................................................... 25

RH 3151 First and second category conditions.......................................................................................................... 25RH 3152 Third category conditions ............................................................................................................................ 25RH 3153 Fourth category conditions .......................................................................................................................... 25

RH 3160 Stress report.................................................................................................................................................... 25RH 3170 Special considerations .................................................................................................................................... 25

RH 3171 Deformation limits........................................................................................................................................ 25RH 3172 Functional requirements.............................................................................................................................. 25RH 3173 Vibration ...................................................................................................................................................... 26RH 3174 Provisions for movement of supported component ..................................................................................... 26RH 3175 Rolling or sliding supports ........................................................................................................................... 26RH 3176 Sway braces and vibration dampeners ....................................................................................................... 26

RH 3200 DESIGN RULES COMMON TO PLATE OR SHELL TYPE SUPPORT ...................................................................................... 27RH 3210 Introduction ..................................................................................................................................................... 27RH 3220 Level S1 supports ........................................................................................................................................... 27

RH 3221 Introduction ................................................................................................................................................. 27RH 3222 Welded assembly design rules.................................................................................................................... 27RH 3223 Design rules for bolts................................................................................................................................... 28

RH 3230 Level S2 supports ........................................................................................................................................... 28RH 3231 Introduction ................................................................................................................................................. 28RH 3232 Elastic analysis............................................................................................................................................ 28RH 3233 Welded assembly design rules.................................................................................................................... 28RH 3234 Design rules for bolts................................................................................................................................... 28

RH 3240 Design by load rating ...................................................................................................................................... 29RH 3241 Procedure for load rating............................................................................................................................. 29RH 3242 Determination of allowable loadings............................................................................................................ 29

RH 3300 DESIGN RULES COMMON TO LINEAR SUPPORTS ......................................................................................................... 31RH 3310 Introduction ..................................................................................................................................................... 31RH 3320 Elastic analysis of level S1 and S2 linear supports ......................................................................................... 31

RH 3321 Level A criteria ............................................................................................................................................ 31RH 3322 Level C criteria ............................................................................................................................................ 31RH 3323 Level D criteria ............................................................................................................................................ 31

RH 3330 Rules for fatigue analysis ................................................................................................................................ 32RH 3331 Introduction ................................................................................................................................................. 32RH 3332 Determination of the equivalent number of cycles....................................................................................... 32RH 3333 Stress categories......................................................................................................................................... 32RH 3334 Allowable stress ranges .............................................................................................................................. 32

RH 3340 Limit analysis................................................................................................................................................... 32RH 3341 General requirements.................................................................................................................................. 32

RH 3350 Experimental analysis ..................................................................................................................................... 33RH 3360 Load rating ...................................................................................................................................................... 33

RH 3361 Procedure for load rating............................................................................................................................. 33RH 3362 Determination of allowable loadings............................................................................................................ 33RH 3363 Supports subject to compressive stresses .................................................................................................. 33

RH 3370 Design rules for bolts ...................................................................................................................................... 33RH 3380 Welded assembly design rules........................................................................................................................ 34

RH 3381 Types of welded joint authorized................................................................................................................. 34RH 3382 Allowable stresses....................................................................................................................................... 34

RH 3400 DESIGN RULES FOR STANDARD SUPPORTS ................................................................................................................ 39RH 3410 Introduction ..................................................................................................................................................... 39RH 3420 Loadings.......................................................................................................................................................... 39RH 3430 Standards supports ......................................................................................................................................... 39

RH 3431 Constant support spring hangers ................................................................................................................ 39RH 3432 Variable support spring hangers ................................................................................................................. 39RH 3433 Hanger rods and sway braces..................................................................................................................... 40RH 3434 Snubbers..................................................................................................................................................... 40

RH 3500 DESIGN RULES FOR COMPONENTS SUPPORTS ........................................................................................................... 41RH 3510 General recommendations .............................................................................................................................. 41

RH 3600 DESIGN RULES FOR PIPING SUPPORTS...................................................................................................................... 42RH 3610 General recommendations .............................................................................................................................. 42

RH 3611 Spacing of piping supports .......................................................................................................................... 42RH 3620 Number not used............................................................................................................................................. 43RH 3630 Vibration .......................................................................................................................................................... 43RH 3640 Anchors, guides, pivots and restraints ............................................................................................................ 43RH 3650 Support adjustments ....................................................................................................................................... 43RH 3660 Supports for insulated piping........................................................................................................................... 43


© n°111-2007 Contents RH / 3

RH 3670 Structural attachments .................................................................................................................................... 43

RH 4000 FABRICATION AND ASSOCIATED EXAMINATION............................................................................................ 45

RH 4100 GENERAL.............................................................................................................................................................. 45RH 4200 PRELIMINARY DOCUMENTS AND REQUIREMENTS FOR FABRICATION AND EXAMINATION ................................................... 45

RH 4210 Documents...................................................................................................................................................... 45RH 4220 Procurement of parts and products................................................................................................................. 45RH 4230 Acceptance and qualification .......................................................................................................................... 45

RH 4300 FABRICATION OPERATIONS...................................................................................................................................... 45RH 4310 General ........................................................................................................................................................... 45RH 4320 Marking ........................................................................................................................................................... 45RH 4330 Cutting - Punching .......................................................................................................................................... 45RH 4340 Forming and alignment ................................................................................................................................... 46

RH 4341 General ....................................................................................................................................................... 46RH 4342 Alignment tolerances for formed supports for class 1, 2 and 3 components............................................... 46RH 4343 Tolerances for welded supports .................................................................................................................. 46RH 4344 Alignment tolerances for non-destructive examination................................................................................ 46RH 4345 Shrink forming............................................................................................................................................. 46

RH 4350 Surface treatment ........................................................................................................................................... 46RH 4360 Cleanliness ..................................................................................................................................................... 46RH 4370 Mechanical joints ............................................................................................................................................ 46

RH 4371 Component supports................................................................................................................................... 46RH 4372 Pipe supports .............................................................................................................................................. 47

RH 4400 PRODUCTION WELDS.............................................................................................................................................. 47RH 4410 Welding joining supports to components ........................................................................................................ 47RH 4420 Other production welds ................................................................................................................................... 47RH 4430 Examination before welding ............................................................................................................................ 47RH 4440 Weld finishing.................................................................................................................................................. 47RH 4450 Production weld data sheet............................................................................................................................. 48

RH 4500 NON-DESTRUCTIVE EXAMINATION OF WELDS............................................................................................................. 48RH 4510 General ........................................................................................................................................................... 48RH 4520 Visual examination.......................................................................................................................................... 48RH 4530 Surface and volumetric examinations ............................................................................................................. 48

RH 4531 Methods ...................................................................................................................................................... 48RH 4532 Extent.......................................................................................................................................................... 48RH 4533 Stage........................................................................................................................................................... 49RH 4534 Acceptance criteria ..................................................................................................................................... 49RH 4535 Ultrasonic examination................................................................................................................................ 49

RH 5000 STANDARD SUPPORTS AND STANDARD SUPPORT MEMBERS.................................................................... 51

RH 5100 GENERAL.............................................................................................................................................................. 51RH 5200 MATERIALS ........................................................................................................................................................... 51RH 5300 APPROVAL OF A STANDARD SUPPORT....................................................................................................................... 51

RH 5310 Principle .......................................................................................................................................................... 51RH 5320 Scope of approval ........................................................................................................................................... 51RH 5330 Documents...................................................................................................................................................... 51

RH 5400 MECHANICAL STRENGTH TESTS AND NON-DESTRUCTIVE EXAMINATIONS FOR APPROVAL................................................. 52RH 5410 Test performance............................................................................................................................................ 52RH 5420 Results ............................................................................................................................................................ 52RH 5430 Non-destructive examinations......................................................................................................................... 52

RH 5431 Degree of examination ................................................................................................................................ 52RH 5432 Criteria ........................................................................................................................................................ 52

RH 5440 Supplementary tests performed during approval period of validity.................................................................. 52RH 5500 UTILIZATION OF A STANDARD SUPPORT..................................................................................................................... 53

RH 5510 General requirements ..................................................................................................................................... 53RH 5520 Effect of service temperature .......................................................................................................................... 53RH 5530 Cyclic load variations ...................................................................................................................................... 53

Annexe RH1 Acceptance of filler materials and welding qualifications

RCC-MR Edition 2007 Section 1 - Subsection Z : appendicies A3 and A9

© n°111-2007 Contents A3.GEN / 1

CONTENTS

SECTION 1 - SUBSECTION Z – APPENDIX A3

A3.GEN: GENERAL

A3.GEN.1 HOW TO USE APPENDIX A3.................................................................................................................................. 1

A3.GEN.2 DETERMINATION OF PROPERTIES...................................................................................................................... 1

A3.GEN.21 DETERMINATION OF THE MINIMAL AND AVERAGE VALUES OF THE MECANICAL PROPERTIES................................................ 1A3.GEN.22 DETERMINATION OF THE VALUES OF SM AND S ............................................................................................................. 1A3.GEN.23 DETERMINATION OF THE VALUES OF SMB .................................................................................................................... 2A3.GEN.24 DETERMINATION OF THE VALUES OF ST AND SR ........................................................................................................... 2A3.GEN.25 CYCLIC CURVES....................................................................................................................................................... 2A3.GEN.26 FATIGUE CURVES..................................................................................................................................................... 2

RCC-MR Edition 2007 Section 1 - Subsection Z : technical appendicies

© n°111-2007 Contents A6 / 1

CONTENTS

APPENDIX A6: DESIGN OF BOLTED ASSEMBLIES

A6.1000 INTRODUCTION ...................................................................................................................................................... 1

A6.2000 DEFINITIONS........................................................................................................................................................... 1

A6.2100 BOLTING ELEMENT ................................................................................................................................................... 1A6.2200 ASSEMBLED PARTS .................................................................................................................................................. 1A6.2300 BOLTED CONNECTION............................................................................................................................................... 1A6.2400 BOLTED ASSEMBLY .................................................................................................................................................. 1

A6.3000 DEFINITION OF LOADS.......................................................................................................................................... 1

A6.3100 INTRODUCTION ........................................................................................................................................................ 1A6.3200 LOADS ON THE ASSEMBLY......................................................................................................................................... 2A6.3300 LOADS ON BOLTED CONNECTION................................................................................................................................ 2

A6.3310 External loads ................................................................................................................................................... 2A6.3320 Internal loadings................................................................................................................................................ 2

A6.3321 Preloading..................................................................................................................................................... 2A6.3322 Loads induced by thermal loadings............................................................................................................... 2

A6.3400 LOADS ON THE BOLTING ELEMENT.............................................................................................................................. 2A6.3500 LOADS ON THE ASSEMBLED PARTS............................................................................................................................. 3

A6.4000 CALCULATION OF LOADS ON THE BOLTED CONNECTION, THE BOLTING ELEMENT AND THE ASSEMBLED PARTS .............................................................................................................................................. 3

A6.4100 INTRODUCTION ........................................................................................................................................................ 3A6.4200 MECHANICAL BEHAVIOUR OF A BOLTED CONNECTION.................................................................................................... 3

A6.4210 Rigidity of the bolting element Kb, and the assembled parts Ka ........................................................................ 3A6.4220 Effect of preloading Fo....................................................................................................................................... 3A6.4230 Effect of differential thermal expansion ............................................................................................................. 3A6.4240 Effect of an external tensile or compressive load Ne......................................................................................... 4

A6.4241 Load applied beneath the head or the nut of the bolting element ................................................................. 4A6.4242 Load Ne applied inside the assembled parts ................................................................................................. 4

A6.4250 Combined effect of preloading, differential thermal expansion and an external tensile or compressive load Ne .............................................................................................................................................................. 4

A6.4300 CALCULATION OF THE LOADS ON THE BOLTED CONNECTION.......................................................................................... 5A6.4310 External loads ................................................................................................................................................... 5

A6.4311 Calculation of axial load Ne ........................................................................................................................... 5A6.4312 Calculation of bending moment Me ............................................................................................................... 6A6.4313 Calculation of transverse load Te .................................................................................................................. 6

A6.4320 Internal loads .................................................................................................................................................... 6A6.4321 Pre-loading Fo ............................................................................................................................................... 6A6.4322 Bending moment induced by geometrical faults Mfg...................................................................................... 6A6.4323 Loads induced by thermal loadings............................................................................................................... 6

A6.4400 CALCULATION OF LOADS ON THE BOLTING ELEMENT..................................................................................................... 6A6.4410 Axial load N....................................................................................................................................................... 6A6.4420 Bending Moment M........................................................................................................................................... 7

A6.4421 Residual torques Cr and Ct............................................................................................................................ 7A6.4422 Transverse loads .......................................................................................................................................... 7

A6.4500 CALCULATION OF LOADS ON ASSEMBLED PARTS .......................................................................................................... 7A6.4510 Compressive loads Na....................................................................................................................................... 7A6.4520 Shear load Ta .................................................................................................................................................... 7

A6.5000 DEFINITION OF STRESSES ON THE BOLTED CONNECTION AND BOLTING ELEMENT ................................ 7

A6.5100 INTRODUCTION ........................................................................................................................................................ 7A6.5200 SRESS COMPONENTS ............................................................................................................................................... 7

A6.5210 Stresses induced by axial load N...................................................................................................................... 7A6.5211 Mean tensile stress: N ................................................................................................................................. 7A6.5212 Shear stress on threads: f

N .......................................................................................................................... 8


Contents A6 / 2 © n°111-2007

A6.5213 Shear stress on the screw head: tN .............................................................................................................. 8

A6.5214 Contact pressure: pN ..................................................................................................................................... 8A6.5220 Stresses induced by a bending moment: M ...................................................................................................... 8

A6.5221 Bending stress: M ........................................................................................................................................ 8A6.5222 Shear stresses on the threads: f

M ................................................................................................................ 8A6.5223 Shear stress on the screw head: t

M.............................................................................................................. 8A6.5224 Contact pressure: pM ..................................................................................................................................... 8

A6.5230 Stresses induced by residual twisting torques Cr and Ct ................................................................................... 8A6.5231 Thread root shear stress ............................................................................................................................... 8A6.5232 Smooth shank shear stress........................................................................................................................... 8A6.5233 Head shear stress ......................................................................................................................................... 8

A6.5240 Stresses induced by the application of a tranverse load T: T ........................................................................... 8A6.5300 STRESS INTENSITIES, RESULTANT SHEAR STRESSES AND PRESSURES............................................................................ 9

A6.5310 Mean stress intensity ........................................................................................................................................ 9A6.5320 Maximum stress intensity .................................................................................................................................. 9A6.5330 Thread shearing stresses.................................................................................................................................. 9A6.5340 Shear stress on the head .................................................................................................................................. 9A6.5350 Contact pressures ............................................................................................................................................. 9A6.5360 Fatigue design stress ........................................................................................................................................ 9

A6.6000 SIZING AND COMPLIANCE OF A BOLTED ASSEMBLY JOINING PARTS OF PRESSURE RETAINING BOUNDARIES – CASE OF NEGLIGIBLE CREEP................................................................................................ 10

A6.6100 INTRODUCTION ...................................................................................................................................................... 10A6.6200 SIZING .................................................................................................................................................................. 10

A6.6210 Estimate of the number of bolts and their probable cross-section area........................................................... 10A6.6220 Détermination of preloading Fo........................................................................................................................ 10

A6.6221 Integrity of the bolting element and the assembled parts ............................................................................ 10A6.6222 Operational requirements............................................................................................................................ 11A6.6223 Minimum and maximum preloading............................................................................................................. 11

A6.6230 Tightening means, obtaining preloading Fo ..................................................................................................... 11A6.6231 General case: preloading tightening torque................................................................................................. 11A6.6232 Other tightening means ............................................................................................................................... 12

A6.6300 SIZING COMPLIANCE ............................................................................................................................................... 12A6.6310 Compliance with engaged thread tearing requirements .................................................................................. 12A6.6320 Compliance with bending load requirements................................................................................................... 12A6.6330 Compliance with mechanical fatigue strength requirements ........................................................................... 13

A6.7000 SIZING OF A BOLTED ASSEMBLY – CASE OF SIGNIFICANT CREEP............................................................. 13

A6.7100 CRITERIA RB 3280................................................................................................................................................ 13A6.7200 RELAXATION - CREEP ............................................................................................................................................. 13

A6.8000 VARIOUS RECOMMENDATIONS ......................................................................................................................... 13

A6.8100 GENERAL .............................................................................................................................................................. 13A6.8200 DISTANCE TO A FREE EDGE – SPACING ..................................................................................................................... 13

A6.8210 Distance to a free edge – spacing: Lm............................................................................................................. 13A6.8220 Maximum distance to a free edge : LM ............................................................................................................ 14A6.8230 Minimum spacing of bolts : Xm ........................................................................................................................ 14A6.8240 Maximum spacing of bolts : XM ....................................................................................................................... 14A6.8250 Choice of the bolting element.......................................................................................................................... 14A6.8260 Number of bolting elements ............................................................................................................................ 14

A6.8300 ASSEMBLY OF BOLTING ELEMENTS ........................................................................................................................... 14A6.8400 SURFACE CONDITIONS, MACHINING TOLERANCES....................................................................................................... 14A6.8500 CALCULATION OF THE RIGIDITY OF THE BOLTING ELEMENT KB, AND THE ASSEMBLED PARTS KA........................................ 15

A6.8510 Rigidity of the assembled parts ....................................................................................................................... 15A6.8520 Rigidity of the bolting element ......................................................................................................................... 15A6.8530 Calculation of the coefficient of rigidity ............................................................................................................ 15

A6.8531 Tightening zone not disturbed by the presence of a free edge.................................................................... 15A6.8532 Case of a tightening zone truncated by the presence of free edge ............................................................. 16

A6.8600 NUMERICAL DATA................................................................................................................................................... 16


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CONTENTS

APPENDIX A7: ANALYSES TAKING ACCOUNT OF BUCKLING A7.1000 PREAMBLE.............................................................................................................................................................. 1

A7.1100 SCOPE ................................................................................................................................................................... 1A7.1200 DEFINITIONS............................................................................................................................................................ 1

A7.1210 Thin shells......................................................................................................................................................... 1A7.1220 Nominal geometry............................................................................................................................................. 1A7.1230 Geometrical tolerances ..................................................................................................................................... 1A7.1240 Bifurcation......................................................................................................................................................... 1A7.1250 Bifurcation loads ............................................................................................................................................... 2A7.1260 Bifurcation modes ............................................................................................................................................. 2

A7.1300 BIFURCATION AND REAL STRUCTURES........................................................................................................................ 2

A7.2000 ELASTOPLASTIC INSTABILITY UNDER MONOTONIC LOADING – LINEAR ELASTIC ANALYSIS.................. 2

A7.2100 GENERAL................................................................................................................................................................ 2A7.2200 INSTANTANEOUS ELASTOPLASTIC INSTABILITY ............................................................................................................. 2

A7.2210 Introduction ....................................................................................................................................................... 2A7.2211 Scope............................................................................................................................................................ 2A7.2212 Organization of the analysis.......................................................................................................................... 2

A7.2220 Definition of defect (d) and deviation index ( ) .................................................................................................. 3A7.2221 Definition of defect (d) ................................................................................................................................... 3A7.2222 Deviation index ( ) ........................................................................................................................................ 4

A7.2230 Determination of critical stress intensities ......................................................................................................... 4A7.2231 Determination of the elastic bifurcation critical load ...................................................................................... 4A7.2232 Critical membrane stress .............................................................................................................................. 4A7.2233 Critical membrane plus flexion stress ........................................................................................................... 4

A7.2240 Choice and uses of the diagrams...................................................................................................................... 5A7.2241 Choices of the diagrams ............................................................................................................................... 5A7.2242 Material ......................................................................................................................................................... 5A7.2243 Temperatures................................................................................................................................................ 5A7.2244 Use of diagrams............................................................................................................................................ 5

A7.2250 Rules to be respected ....................................................................................................................................... 5A7.2251 Level A criteria .............................................................................................................................................. 5A7.2252 Level C criteria .............................................................................................................................................. 5A7.2253 Level D criteria .............................................................................................................................................. 6

A7.2260 Diagrams .......................................................................................................................................................... 6A7.2261 Unstable post-buckling diagrams .................................................................................................................. 6A7.2262 Stable post-buckling diagrams ...................................................................................................................... 6

A7.2300 DEFERRED ELASTOPLASTIC INSTABILITY ..................................................................................................................... 6

A7.3000 ELASTOPLASTIC INSTABILITY UNDER MONOTONIC LOADING – INELASTIC ANALYSIS............................. 9

A7.3100 GENERAL................................................................................................................................................................ 9A7.3200 INSTANTANEOUS ELASTOPLASTIC INSTABILITY ............................................................................................................. 9

A7.3210 Introduction ....................................................................................................................................................... 9A7.3211 Scope............................................................................................................................................................ 9A7.3212 Organization of the analysis.......................................................................................................................... 9

A7.3220 Description of the analysis ................................................................................................................................ 9A7.3221 Determination of the bifurcation modes......................................................................................................... 9A7.3222 Determination of the « modified » geometry ............................................................................................... 10A7.3223 Elastoplastic analysis .................................................................................................................................. 10A7.3224 Acceptability criteria .................................................................................................................................... 10

A7.4000 ELASTOPLASTIC INSTABILITY UNDER CYCLIC LOADING - ELASTIC LINEAR ANALYSIS - NEGLIGIBLE CREEP............................................................................................................................................. 11

A7.4100 GENERAL.............................................................................................................................................................. 11A7.4200 METHOD 1 ............................................................................................................................................................ 11

A7.4210 Introduction ..................................................................................................................................................... 11A7.4211 Scope.......................................................................................................................................................... 11A7.4212 Organization of the analysis........................................................................................................................ 11

A7.4220 Determination of modified stresses................................................................................................................. 11


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A7.4230 Rules applicable.............................................................................................................................................. 12A7.4300 METHOD 2 ............................................................................................................................................................ 12

A7.4310 Introduction ..................................................................................................................................................... 12A7.4311 Scope .......................................................................................................................................................... 12A7.4312 Organization of the analysis ........................................................................................................................ 12

A7.4320 Determination of modified stresses ................................................................................................................. 12A7.4330 Determination of effective stresses ................................................................................................................. 12A7.4340 Rules applicable.............................................................................................................................................. 12

A7.5000 ELASTOPLASTIC INSTABILITY IN SIGNIFICANT CREEP - SIMPLIFIED METHOD.......................................... 13

A7.5100 GENERAL – SCOPE ................................................................................................................................................ 13A7.5200 DESCRIPTION OF THE METHOD................................................................................................................................. 13

RCC-MR Edition 2007 Section 1 - Subsection Z : appendicies A3 and A9

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SECTION 1 - SUBSECTION Z – APPENDIX A9

A9: CHARACTERISTICS OF WELDED JOINTS

A9.GEN.1 INTRODUCTION ...................................................................................................................................................... 1

A9.1J Characteristics Group 1J ----------------------------------------------------------------------------------------------------------------4






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SOMMAIRE

APPENDIX A10: ELASTOPLASTIC ANALYSIS OF A STRUCTURESUBJECTED TO CYCLIC LOADING

A10.1000 INTRODUCTION ...................................................................................................................................................... 1

A10.2000 GENERAL PRINCIPLES FOR MODELIZATION ..................................................................................................... 1

A10.2100 VON MISES PLASTICITY CRITERION ............................................................................................................................ 1A10.2200 PLASTIC FLOW RULE................................................................................................................................................. 1A10.2300 STRAIN HARDENING LAW........................................................................................................................................... 1

A10.3000 PERFECTLY PLASTIC MATERIAL......................................................................................................................... 2

A10.4000 ISOTROPIC STRAIN HARDENING MATERIAL...................................................................................................... 3

A10.5000 KINEMATIC STRAIN HARDENING MATERIAL ..................................................................................................... 3

A10.6000 COMBINED STRAIN HARDENING TYPE MATERIAL............................................................................................ 5

A10.7000 HOW TO USE THE DIFFERENT MATERIAL BEHAVIOUR MODELS ................................................................... 6

A10.7100 IDENTIFICATION OF MATERIAL PARAMETERS ................................................................................................................ 6A10.7200 GUIDE TO USING THE MATHEMATICAL MODELS............................................................................................................. 7

A10.8000 EXTRAPOLATION METHODS ................................................................................................................................ 7

A10.9000 PROGRESSIVE DEFORMATION ANALYSIS USING SIMPLIFIED ELASTOPLASTIC METHODS ...................... 7

A10.9100 METHOD 1 .............................................................................................................................................................. 7A10.9200 METHOD 2 .............................................................................................................................................................. 8


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APPENDIX A11: ELASTO-VISCO-PLASTIC ANALYSIS OF A STRUCTURESUBJECTED TO CYCLIC LOADING

A11.1000 INTRODUCTION ...................................................................................................................................................... 1

A11.2000 GENERAL PRINCIPLES FOR MODELIZATION ..................................................................................................... 1

A11.3000 NON UNIFIED MODEL (PLASTICITY + CREEP) .................................................................................................... 1

A11.4000 UNIFIED MODELS ................................................................................................................................................... 2

A11.5000 HOW TO USE THE DIFFERENT MATERIAL BEHAVIOUR MODELS ................................................................... 3

A11.5100 IDENTIFICATION OF MATERIAL PARAMETERS ................................................................................................................ 3A11.5200 GUIDE TO USING THE MATHEMATICAL MODELS............................................................................................................. 3

A11.6000 EXTRAPOLATION METHODS ................................................................................................................................ 3


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APPENDIX A12: DESIGN RULES FOR SHELLS OF REVOLUTIONSUBJECTED TO EXTERNAL PRESSURE ANDCYLINDERS UNDER AXIAL COMPRESSION

A12.1000 PREAMBLE.............................................................................................................................................................. 1

A12.1100 PURPOSE OF THE APPENDIX...................................................................................................................................... 1A12.1200 SCOPE ................................................................................................................................................................... 1A12.1300 APPLICATION CONDITIONS......................................................................................................................................... 1

A12.2000 NOMENCLATURE ................................................................................................................................................... 1

A12.3000 RULES FOR DETERMINING MINIMUM THICKNESS ............................................................................................ 2

A12.3100 CYLINDRICAL SHELLS AND TUBULAR PRODUCTS........................................................................................................... 2A12.3110 Do/T 10........................................................................................................................................................... 2A12.3120 Do/T < 10........................................................................................................................................................... 3A12.3130 Cylinder subjected to axial compression........................................................................................................... 3

A12.3200 SPHERICAL SHELLS AND DISHED HEADS...................................................................................................................... 3A12.3210 Spherical shells................................................................................................................................................. 3A12.3220 Elliptical heads (Fig. A12.3220) ........................................................................................................................ 4A12.3230 Torispherical heads (Fig. A12.3230) ................................................................................................................. 4

A12.3300 CONICAL SHELLS ..................................................................................................................................................... 4A12.3400 DETERMINATION OF STIFFENING RINGS....................................................................................................................... 4

A12.3410 Stiffening rings for cylindrical shells .................................................................................................................. 4A12.3411 Welds ............................................................................................................................................................ 4A12.3412 Design procedure.......................................................................................................................................... 4A12.3413 Geometrical requirements............................................................................................................................. 5

A12.3420 Stiffening rings on conical shells ....................................................................................................................... 5


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APPENDIX A14: DESIGN RULESFOR LINEAR TYPE SUPPORTS

A14.1000 GENERAL ................................................................................................................................................................ 1

A14.1100 INTRODUCTION ........................................................................................................................................................ 1A14.1110 Scope................................................................................................................................................................ 1A14.1120 Methods of analysis .......................................................................................................................................... 1

A14.1121 Elastic analysis ............................................................................................................................................. 1A14.1122 Limit analysis ................................................................................................................................................ 1

A14.1130 Conditions of application................................................................................................................................... 1A14.1200 NOMENCLATURE...................................................................................................................................................... 1

A14.2000 ELASTIC ANALYSIS ............................................................................................................................................... 3

A14.2100 GENERAL................................................................................................................................................................ 3A14.2110 Level A criteriA.................................................................................................................................................. 3A14.2120 Level C criteriA.................................................................................................................................................. 3A14.2130 Level D criteriA.................................................................................................................................................. 3

A14.2200 DESIGN RULES APPLICABLE TO MEMBERS MADE FROM ROLLED FORGED OR CAST PRODUCTS ........................................... 3A14.2210 Rules relating to stress limitation ...................................................................................................................... 3

A14.2211 General ......................................................................................................................................................... 3A14.2212 Limits applicable to stress in tension............................................................................................................. 3A14.2213 Limits applicable to stress in shear ............................................................................................................... 4A14.2214 Limits applicable to stress in compression .................................................................................................... 4A14.2215 Limits applicable to stress in bending ........................................................................................................... 4A14.2216 Combined stresses ....................................................................................................................................... 6A14.2217 Limits applicables to bearing stresses........................................................................................................... 7

A14.2220 Stability and slenderness ratios ........................................................................................................................ 8A14.2221 General requirements ................................................................................................................................... 8A14.2222 Rules for determining buckling lengths ......................................................................................................... 8A14.2223 Maximum slenderness ratios ........................................................................................................................ 8A14.2224 Thickness conditions for compression members .......................................................................................... 8A14.2225 Compression members which do not comply with the thickness conditions of A14.2224 ............................. 9

A14.2230 Special requirements applicable to webs, flanges and stiffeners.................................................................... 11A14.2231 Webs........................................................................................................................................................... 11A14.2232 Flanges ....................................................................................................................................................... 11A14.2233 Stiffeners..................................................................................................................................................... 12

A14.2240 Gross and net sections ................................................................................................................................... 13A14.2241 Determination of gross and net sections..................................................................................................... 13A14.2242 Use of gross and net sections..................................................................................................................... 14A14.2243 Determination of net section ....................................................................................................................... 14

A14.2250 Special constructional provisions .................................................................................................................... 15A14.2251 General ....................................................................................................................................................... 15A14.2252 Beam connections ...................................................................................................................................... 15A14.2253 Rules relating to local slenderness ratios.................................................................................................... 15

A14.2300 NUMBER NOT USED................................................................................................................................................ 15A14.2400 RULES APPLICABLE TO MECHANICAL CONNECTIONS AND WELDED JOINTS ..................................................................... 15

A14.2410 General requirements ..................................................................................................................................... 15A14.2411 Types of connections permitted .................................................................................................................. 15A14.2412 Rules for the positioning of connections...................................................................................................... 15A14.2413 Rules for the positioning of bolts and welds ................................................................................................ 15

A14.2420 Connection design .......................................................................................................................................... 15A14.2421 General requirements ................................................................................................................................. 15A14.2422 Connections for unrestrained members ...................................................................................................... 15A14.2423 Connections for restrained members .......................................................................................................... 16A14.2424 Rules for the connection of structural members.......................................................................................... 16A14.2425 Rules applicable to the bearing joints of compression members ................................................................ 16

A14.2430 Rules applicable to lap joints........................................................................................................................... 16A14.2440 Joint combinations .......................................................................................................................................... 17

A14.2441 Combinations of welds ................................................................................................................................ 17


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A14.2442 Bolts in combination with welds................................................................................................................... 17A14.2450 Design rules applicable to welded joints ......................................................................................................... 17

A14.2451 General ....................................................................................................................................................... 17A14.2452 Fillet welds .................................................................................................................................................. 17A14.2453 Plug and slot welds ..................................................................................................................................... 18A14.2454 Groove welded joints................................................................................................................................... 19

A14.2460 Requirements applicable to bolted joints......................................................................................................... 19A14.2461 Number not used......................................................................................................................................... 19A14.2462 Minimum distances between bolts and free edges of connected parts ....................................................... 19A14.2463 Maximum distance between bolts and edges of connected parts ............................................................... 20A14.2464 Minimum spacing of bolts............................................................................................................................ 20A14.2465 Special rules for anchor bolts ...................................................................................................................... 20

A14.2470 Special rules applicable to column or pilLar bases.......................................................................................... 20A14.2471 Transfer of loads and moments................................................................................................................... 20A14.2472 Alignement .................................................................................................................................................. 20A14.2473 Finishing of bearing surfaces ...................................................................................................................... 20


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APPENDIX A15: DESIGN RULES FOR DISHED HEADSSUBJECT TO INTERNAL PRESSURE

A15.1000 SCOPE ..................................................................................................................................................................... 1

A15.2000 APPLICATION OF THE RULES .............................................................................................................................. 1

A15.2100 HEADS COMPRISING SEVERAL WELDED ELEMENTS....................................................................................................... 1A15.2200 GEOMETRICAL DEFECTS ........................................................................................................................................... 2A15.2300 OPENINGS.............................................................................................................................................................. 2A15.2400 LOADS OTHER THAN PRESSURE ................................................................................................................................. 2

A15.3000 NOMENCLATURE ................................................................................................................................................... 2

A15.4000 DESIGN RULES OF ELLIPSOIDAL HEADS........................................................................................................... 3

A15.5000 DESIGN RULES FOR TORISPHERICAL HEADS................................................................................................... 3

A15.5100 TORISPHERICAL HEADS OF UNIFORM THICKNESS ......................................................................................................... 3A15.5200 TORISPHERICAL HEADS COMPRISING SEVERAL WELDED ELEMENTS OF DIFFERING THICKNESSES ....................................... 4

A15.6000 DESIGN RULES FOR HEMISPHERICAL HEADS .................................................................................................. 4

A15.6100 HEMISPHERICAL HEADS COMPRISING SEVERAL WELDED ELEMENTS ............................................................................... 4A15.6200 SEAMLESS HEMISPHERICAL HEADS ........................................................................................................................... 5

A15.7000 HEAD TO CYLINDRICAL ENVELOPE TRANSITION ............................................................................................. 5

A15.7100 ELLIPSOIDAL AND TORISPHERICAL HEADS ................................................................................................................... 5A15.7200 HEMISPHERICAL HEADS ............................................................................................................................................ 5

RCC-MR Edition 2007 Section 1 - Subsection Z : technical appendices

© n°111-2007 Contents A16 / 1

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APPENDIX A16: GUIDE FOR LEAK BEFORE BREAK ANALYSIS AND DEFECT ASSESSMENT

A16.1000 INTRODUCTION ...................................................................................................................................................... 1

A16.2000 DEFECT USED IN THE ANALYSIS......................................................................................................................... 3

A16.2100 PREAMBLE .............................................................................................................................................................. 3A16.2200 INTERNAL DEFECT PERPENDICULAR TO SKIN................................................................................................................ 3A16.2300 SURFACE DEFECT PERPENDICULAR TO SKIN................................................................................................................ 3A16.2400 DEFECT OF COMPLEX ORIENTATION ........................................................................................................................... 3A16.2500 MULTIPLE DEFECTS – RULES OF INTERACTION............................................................................................................. 3

A16.3000 DEFECT ASSESSMENT.......................................................................................................................................... 7

A16.3100 OVERVIEW .............................................................................................................................................................. 7A16.3200 AUSTENITIC COMPONENTS - LEVEL 1 OR 2 .................................................................................................................. 7

A16.3210 Non-significant creep ........................................................................................................................................ 7A16.3220 Significant creep ............................................................................................................................................. 11

A16.3300 OTHER COMPONENTS (LATER) ................................................................................................................................ 12

A16.4000 LEAK BEFORE BREAK ........................................................................................................................................ 13

A16.4100 INTRODUCTION ...................................................................................................................................................... 13A16.4200 PROCEDURE ......................................................................................................................................................... 13A16.4300 DETERMINATION OF THE DETECTABLE CRACK AREA ................................................................................................... 14

A16.4310 Minimum detectable leak flow......................................................................................................................... 14A16.4320 Dimensions of the detectable crack area ........................................................................................................ 14

A16.4400 DETECTABLE THROUGHWALL DEFECT....................................................................................................................... 15A16.4410 Defect at penetration....................................................................................................................................... 15A16.4420 Defect after penetration .................................................................................................................................. 16

A16.5000 NUMBER NOT USED............................................................................................................................................. 22

A16.6000 NUMBER NOT USED............................................................................................................................................. 22

A16.7000 METHODS - PARAMETERS.................................................................................................................................. 23

A16.7100 OVERVIEW ............................................................................................................................................................ 23A16.7200 METHOD D........................................................................................................................................................... 23

A16.7210 Introduction ..................................................................................................................................................... 23A16.7220 Creager’s formulae ......................................................................................................................................... 23A16.7230 HRR fields....................................................................................................................................................... 24A16.7240 RR fields ......................................................................................................................................................... 26A16.7250 Method d for fatigue initiation ........................................................................................................................ 29A16.7260 Method d for creep initiation .......................................................................................................................... 30A16.7270 Method d for creep- fatigue initiation ............................................................................................................. 30

A16.7300 METHODS JS AND JS............................................................................................................................................ 32A16.7310 Method Js - use of the compendium of K ........................................................................................................ 32A16.7320 Js method - creating a special compendium ................................................................................................... 38A16.7330 Js method...................................................................................................................................................... 40

A16.7400 METHOD JSIN: LOADING PRODUCING DEFECT INSTABILITY .......................................................................................... 41A16.7410 Algorithm 1 using the JR - da curve................................................................................................................. 41A16.7420 Algorithm 2 using Gfr ....................................................................................................................................... 44

A16.7500 COMPLIANCE - DISPLACEMENT ................................................................................................................................ 47A16.7510 Compliance..................................................................................................................................................... 47A16.7520 Elastic-plastic displacement ............................................................................................................................ 47

A16.7600 OPENING .............................................................................................................................................................. 48A16.7610 Elastic opening................................................................................................................................................ 48A16.7620 Elastic-plastic opening .................................................................................................................................... 49

A16.7700 CS* METHOD.......................................................................................................................................................... 50A16.7710 Description of Cs* method............................................................................................................................... 50

RCC-MR Edition 2007 Section 1 - Subsection Z : technical appendices

Contents A16 / 2 © n°111-2007

A16.7720 Determining Cs* for propagation in creep-fatigue conditions ........................................................................... 53

A16.8000 COMPENDIUM ....................................................................................................................................................... 55

A16.8100 INTRODUCTION ...................................................................................................................................................... 55A16.8110 Cases.............................................................................................................................................................. 55A16.8120 Calculation of KI, KII, KIII and Keq ..................................................................................................................... 56A16.8130 Temperature through the thickness of the wall................................................................................................ 58

A16.8200 EXPERIMENTAL CONFIGURATIONS ............................................................................................................................ 63A16.8210 Bar .................................................................................................................................................................. 63A16.8220 CT specimens ................................................................................................................................................. 67A16.8230 Cylindrical notched specimens........................................................................................................................ 71

A16.8300 PLATE .................................................................................................................................................................. 73A16.8310 Common data for the plates ............................................................................................................................ 73A16.8320 Plate - Direction 2 defect ................................................................................................................................. 75

A16.8400 TUBE .................................................................................................................................................................... 87A16.8410 Common data for tubes................................................................................................................................... 87A16.8420 Tube - Circumferential defect .......................................................................................................................... 99A16.8430 Tube - longitudinal defect .............................................................................................................................. 131

A16.8500 THICKNESS CHANGE............................................................................................................................................. 157A16.8510 Common data for thickness changes ............................................................................................................ 157A16.8520 Thickness change - Circumferential defect ................................................................................................... 160

A16.8600 ELBOWS.............................................................................................................................................................. 161A16.8610 Common data for elbows .............................................................................................................................. 161A16.8620 Elbow – Circumferential defect...................................................................................................................... 179A16.8630 Elbow - Longitudinal defect ........................................................................................................................... 187

A16.8700 PIPING TEE ......................................................................................................................................................... 195A16.8710 Common data for piping tee .......................................................................................................................... 195A16.8720 Tee– Circumferential defect at the tee joint................................................................................................... 196A16.8730 Tee – Longitudinal defect at the tee joint ...................................................................................................... 197

A16.8800 NOZZLE .............................................................................................................................................................. 199A16.8810 Common data for nozzle ............................................................................................................................... 199A16.8820 Nozzle – Circumferential defect .................................................................................................................... 200A16.8830 Nozzle – Radial defect .................................................................................................................................. 204

A16.9000 MATERIAL PROPERTIES ................................................................................................................................... 207

A16.9100 INTRODUCTION .................................................................................................................................................... 207A16.9200 DETERMINATION OF THE DA/DN - K CURVE............................................................................................................. 207

A16.9210 Applicable standards..................................................................................................................................... 207A16.9220 Effect of closing - Determination of Kop ......................................................................................................... 207

A16.9300 DETERMINATION OF CURVE JR - DA, JI AND GFR ....................................................................................................... 208A16.9310 Curve JR - da................................................................................................................................................. 208A16.9320 Determination of Ji......................................................................................................................................... 209A16.9330 Determination of Gfr....................................................................................................................................... 209

A16.9400 DETERMINATION OF DISTANCE D (LATER)................................................................................................................ 214A16.9500 DETERMINATION OF CURVE DA/DT - C* ................................................................................................................... 214

A16.9510 Pre-cracking by fatigue of machined notches................................................................................................ 214A16.9520 Condition of loading and acquisition during test ............................................................................................ 214A16.9530 Determination of crack length a and its derivative da/dt ................................................................................ 215A16.9540 Calculation of C* from the measured opening rate........................................................................................ 215A16.9550 Criteria for determining validity of calculation of curve da/dt - C*................................................................... 217

FASCICULE A16.1R (X2CrNiMo 17-12 azote contrôlé, Electrode enrobée) 219 FASCICULE A16.11R (P265GH, P295GH) 225FASCICULE A16.18R (T91, 9Cr) 229


© n°111-2007 Contents A17 / 1

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APPENDIX A17: DESIGN OF FLAT TUBEPLATES

A17.1000 INTRODUCTION ...................................................................................................................................................... 1

A17.1100 SCOPE ................................................................................................................................................................... 1A17.1200 NOMENCLATURE...................................................................................................................................................... 1

A17.1210 General notations.............................................................................................................................................. 1A17.1220 Notations relating to stresses and strains ......................................................................................................... 2A17.1230 Subscripts ......................................................................................................................................................... 2

A17.2000 ANALYSIS METHOD ............................................................................................................................................... 2

A17.2100 OVERVIEW .............................................................................................................................................................. 2A17.2200 PRESENTATION OF THE EQUIVALENT SOLID PLATE........................................................................................................ 3

A17.2210 Effective radius of the perforated area .............................................................................................................. 3A17.2211 Case of a triangular penetration pattern........................................................................................................ 3A17.2212 Case of a constant circular pitch penetration pattern .................................................................................... 3

A17.2220 Effective elastic constants................................................................................................................................. 3A17.2300 METHOD FOR ANALYZING THE OVERALL BEHAVIOUR OF A TUBEPLATE............................................................................. 4A17.2400 CALCULATION OF STRESSES FOR ASSESSMENT IN A TYPICAL LIGAMENT.......................................................................... 4

A17.2410 Primary membrane stresses ............................................................................................................................. 4A17.2420 Primary membrane plus bending stresses ........................................................................................................ 5A17.2430 Range of primary plus secondary stresses ....................................................................................................... 5A17.2440 Range of total stresses ..................................................................................................................................... 6

A17.2441 Range of total stresses in the perforated region ........................................................................................... 6A17.2442 Range of total stresses at the junction between the perforated plate and the solid rim ................................ 7A17.2443 Thermal skin stresses ................................................................................................................................... 8

A17.2500 CALCULATION OF STRESSES IN IRREGULAR LIGAMENTS ................................................................................................ 8A17.2510 Primary membrane stresses ............................................................................................................................. 8A17.2520 Range of total stresses ..................................................................................................................................... 8

A17.3000 ASSESSMENT PROCEDURE ................................................................................................................................. 8

A17.3100 RULES FOR THE PREVENTION OF P TYPE DAMAGE ....................................................................................................... 8A17.3110 Negligible creep ................................................................................................................................................ 8A17.3120 Significant creep ............................................................................................................................................... 8

A17.3200 RULES FOR THE PREVENTION OF S TYPE DAMAGE ....................................................................................................... 9A17.3210 Negligible creep ................................................................................................................................................ 9A17.3220 Significant creep ............................................................................................................................................... 9


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APPENDIX A18: ADDITIONAL REQUIREMENTSAND SPECIAL INSTRUCTIONS FOR EQUIPMENT

SUBJECT TO REGULATIONS

A18.1000 INTRODUCTION ...................................................................................................................................................... 1

A18.2000 NUMBER NOT USED............................................................................................................................................... 1

A18.3000 EQUIPMENT SUBJECT TO REGULATIONS.......................................................................................................... 1

A18.3100 PREAMBLE .............................................................................................................................................................. 1A18.3200 EQUIPMENTS SUBJECT TO PRESSURE EQUIPMENT REGULATIONS APPLICABLE IN FRANCE................................................. 1

A18.3210 General ............................................................................................................................................................. 1A18.3220 Compliance with Title I: scope, definitions and classification ............................................................................ 2

A18.3221 Definitions and abbreviations: special provisions for RA 2100...................................................................... 2A18.3222 Distribution of roles: special provisions included in RA 2200 ........................................................................ 3A18.3223 ESP and ESPN listing and classification: special provisions to complete RA 2200 ...................................... 3A18.3224 Technical documentation: special provisions to complete RA 3930.............................................................. 3A18.3225 Initial version of description file: special provisions to complete RA 3930..................................................... 4

A18.3230 Compliance with Title II: design, manufacture and conformity evaluation......................................................... 4A18.3231 ESP category I to IV: special provisions to complete RA 4000 ..................................................................... 4A18.3232 ESP from Article 7 of the ESP Decree: special provisions to complete RA 4000.......................................... 4A18.3233 ESPN N1ESPN categories I to IV: special provisions to complete RA 4000.................................................... 4A18.3234 ESPN N2ESPN categories I to IV: special provisions to complete RA 4000.................................................... 4A18.3235 ESPN N3ESPN categories I to IV: special provisions to complete RA 4000.................................................... 5A18.3236 ESPN category 0 with N1ESPN classification: special provisions to complete RA 4000 ................................. 5A18.3237 ESPN category 0 with N2ESPN classification: special provisions to complete RA 4000 ................................. 5A18.3238 ESPN category 0 with N3ESPN classification: special provisions to complete RA 4000 ................................. 5A18.3239 Assemblies: special provisions to complete RA 4000 ................................................................................... 5

A18.3240 Compliance with Titles III, IV and V of the ESP Decree and Titles III and IV of the ESPN Order – Provisions for equipment in service, authorized bodies, miscellaneous and temporary.................................... 6

A18.3241 Provisions for equipment in service .............................................................................................................. 6A18.3242 Miscellaneous and temporary provisions ...................................................................................................... 6

A18.3250 Compliance with annex 1 of the ESP decree: Essential Safety Requirements applicable to ESP categories I to IV ............................................................................................................................................... 6

A18.3251 Preliminaries and general information: sections 0 and 1, annex 1 of the ESP Decree ................................. 6A18.3252 Design: section 2, annex 1 of the ESP Decree ............................................................................................. 7A18.3253 Manufacturing: section 3, annex 1 of the ESP Decree.................................................................................. 8A18.3254 Materials: section 4, annex 1 of the ESP Decree.......................................................................................... 9A18.3255 Fired pressure equipment: section 5, annex 1 of the ESP Decree................................................................ 9A18.3256 Piping as referred to in article 3.3 of the ESP Decree: section 6, annex 1 of the ESP Decree ................... 10A18.3257 Specific quantitative requirements: section 7, annex 1 of the ESP Decree................................................. 10

A18.3260 Compliance with annex 1 of the ESPN Order : Essential Safety requirements for ESPNs from categories I to IV and level N1ESPN except for certain pipes............................................................................ 11

A18.3261 Preliminaries and general Information: section 1, annex 1 of the ESPN Order........................................... 11A18.3262 Design: section 2, annex 1 of the ESPN Order ........................................................................................... 11A18.3263 Manufacturing: section 3, annex 1 of the ESPN Order ............................................................................... 11A18.3264 Materials: section 4, annex 1 of the ESP Order .......................................................................................... 12

A18.3270 Compliance with annex 2 of the ESPN Order : Essential Safety Requirements for ESPNS from categories I to IV and level N2ESPN and for certain pipes from categories I and II and level N1ESPN ............... 13

A18.3271 Preliminaries and general Information: section 1, annex 2 of the ESPN Order........................................... 13A18.3272 Design: section 2, annex 2 of the ESPN Order ........................................................................................... 13A18.3273 Manufacturing: section 3, annex 2 of the ESPN Order ............................................................................... 13A18.3274 Materials: section 4, annex 2 of the ESPN Order........................................................................................ 13

A18.3280 Compliance with annex 3 of the ESPN Order : Essential Safety Requirements for ESPNS from Categories I to IV and level N3ESPN................................................................................................................. 14

A18.3281 Preliminaries and general information: section 1, annex 3 of the ESPN Order ........................................... 14A18.3282 Design: section 2, annex 3 of the ESPN Order ........................................................................................... 14A18.3283 Manufacturing: section 3, annex 3 of the ESPN Order ............................................................................... 14A18.3284 Materials: section 4, annex 3 of the ESPN Order........................................................................................ 14

A18.3290 Compliance with annex 4 of the ESPN Order : specifications for determining radiation protection requirements ................................................................................................................................................... 14


Contents A18 / 2 © n°111-2007

A18.3291 Materials: section 1, annex 4 of the ESPN Order........................................................................................ 14A18.3292 Design: section 2, annex 4 of the ESPN Order ........................................................................................... 14A18.3293 Inspection and maintenance means: section 3, annex 4 of the ESPN Order .............................................. 15


© n°111-2007 Contents A19 / 1

CONTENTS

APPENDIX A19: ITER VACUUM VESSEL SPECIFICITIES

A19.1000 INTRODUCTION ...................................................................................................................................................... 1

A19.2000 MATERIALS............................................................................................................................................................. 1

A19.3000 DESIGN RULES....................................................................................................................................................... 1

A19.3100 SCOPE ................................................................................................................................................................... 1A19.3200 CLASSIFICATION OF WELDED ASSEMBLIES................................................................................................................... 1

A19.4000 FABRICATION AND ASSOCIATED EXAMINATIONS............................................................................................ 1

A19.4100 EXECUTION OF PRODUCTION WELDS .......................................................................................................................... 1A19.4200 NON-DESTRUCTIVE EXAMINATION OF PRODUCTION WELDS............................................................................................ 2A19.4300 COATINGS............................................................................................................................................................... 2


© n°111-2007 Contents A20 / 1

CONTENTS

APPENDIX A20: CONSTRUCTIVE REQUIREMENTS LINKED TO IN SERVICE INSPECTIONS

A20.1000 INTRODUCTION ...................................................................................................................................................... 1

A20.2000 DESIGN.................................................................................................................................................................... 1

A20.2100 GENERAL................................................................................................................................................................ 1A20.2200 CONSTRUCTIVE REQUIREMENTS LINKED TO COMPONENTS ............................................................................................ 1

A20.2210 General requirements concerning in service inspections.................................................................................. 1A20.2220 Special requirements concerning periodic retests............................................................................................. 1A20.2230 Constructive requirements linked to tapering (tapers, profile changes) ............................................................ 1

A20.3000 MANUFACTURE...................................................................................................................................................... 2

A20.3100 SCOPE OF THE AREA TO BE EXAMINED........................................................................................................................ 2A20.3200 IDENTIFICATION – MARKING ...................................................................................................................................... 2

A20.3210 General ............................................................................................................................................................. 2A20.3220 Identification number......................................................................................................................................... 2A20.3230 Reference ......................................................................................................................................................... 2A20.3240 Marking drawing................................................................................................................................................ 2

A20.3300 RECORDING OF WELD BEADS..................................................................................................................................... 2A20.3400 SURFACE CONDITION................................................................................................................................................ 2

A20.3410 External surfaces .............................................................................................................................................. 2A20.3420 Internal surfaces ............................................................................................................................................... 3A20.3430 Special requirements ........................................................................................................................................ 3

A20.3500 REPAIRS................................................................................................................................................................. 3A20.3600 REFERENCE PARTS .................................................................................................................................................. 3

A20.4000 GENERAL INSTALLATION (ERECTION) ............................................................................................................... 3

A20.4100 CLEARANCE ............................................................................................................................................................ 3A20.4110 General ............................................................................................................................................................. 3A20.4120 Direct visual examination .................................................................................................................................. 3A20.4130 Remote visual examinations ............................................................................................................................. 3A20.4140 Surface examination – Liquid penetrant and magnetic particle......................................................................... 4A20.4150 Manuel volumetric examinations....................................................................................................................... 4A20.4160 Mechanical volumetric examinations ................................................................................................................ 4

A20.4200 ACCESSIBILITY, HEALTH PHYSICS............................................................................................................................... 4A20.4300 SCAFFOLDING AND FIXED CATWALKS.......................................................................................................................... 4A20.4400 SPECIAL REQUIREMENTS FOR PIPING ......................................................................................................................... 4

A20.4410 General ............................................................................................................................................................. 4A20.4420 Clearances........................................................................................................................................................ 4A20.4430 Erection............................................................................................................................................................. 5

A20.4431 Piping alone .................................................................................................................................................. 5A20.4432 Piping bundles .............................................................................................................................................. 5A20.4433 Hopper piping................................................................................................................................................ 5

A20.5000 LAGGING................................................................................................................................................................. 5

A20.5100 SCOPE ................................................................................................................................................................... 5A20.5200 PRINCIPLES............................................................................................................................................................. 5A20.5300 SPECIAL REQUIREMENTS FOR PIPING ......................................................................................................................... 5

A20.6000 PUMPS AND VALVES............................................................................................................................................. 6

A20.6100 GENERAL................................................................................................................................................................ 6A20.6200 SPECIAL RULES APPLICABLE TO PRIMARY CIRCUIT PUMPS............................................................................................. 6

A20.7000 SUPPORTS.............................................................................................................................................................. 6

RCC-MR Edition 2007 Section 2: materials

© n° 111-2007 Contents RM / 1

CONTENTS

SECTION 2 : MATERIALS

RM 0000 GENERAL ................................................................................................................................................................ 1

RM 0100 GENERAL PROVISIONS...................................................................................................................................... 1RM 0110 GENERAL ORGANIZATION AND SCOPE OF SECTION 2............................................................................. 1

RM 0111 Technical requirements specified in the purchase order............................................................................... 1RM 0112 Reference procurement specifications.......................................................................................................... 1RM 0113 Procurements of products according to RM 0300 ......................................................................................... 2RM 0114 New methods of manufacturing parts, new materials - qualification ............................................................. 2RM 0115 Special procurement specification ................................................................................................................ 2RM 0116 Material Conformity Declaration.................................................................................................................... 2

RM 0120 MECHANICAL PROPERTIES .......................................................................................................................... 2RM 0121 Characteristics of steels for pressure equipment .......................................................................................... 2RM 0122 Steels subjected to stress-relieving heat treatment....................................................................................... 3RM 0123 Keeping of test samples................................................................................................................................ 3

RM 0130 RESIDUAL ELEMENTS.................................................................................................................................... 3RM 0140 PRODUCT OR PART AND SHOP QUALIFICATION ....................................................................................... 4

RM 0141 Scope............................................................................................................................................................ 4RM 0142 General ......................................................................................................................................................... 4RM 0143 Product or part qualification .......................................................................................................................... 4RM 0144 Shop qualification.......................................................................................................................................... 6RM 0145 Special case of heat exchanger tubes: prototype series of tubes ................................................................. 7RM 0146 Qualification of a Supplier for a grade of steel used in the creep range........................................................ 8

RM 0150 HEAT TREATMENT ....................................................................................................................................... 10RM 0151 Simulated heat treatment ............................................................................................................................ 10

RM 0160 PROTOTYPE PARTS FOR CASTINGS ......................................................................................................... 11RM 0161 Scope.......................................................................................................................................................... 11RM 0162 Applicability ................................................................................................................................................. 11RM 0163 Conditions of examination of the prototype part.......................................................................................... 11RM 0164 Area of validity ............................................................................................................................................ 12

RM 0170 NUMBERING OF SPECIFICATIONS OF SECTION 2 ................................................................................... 13

RM 0200 NOT USED.......................................................................................................................................................... 13

RM 0300 GENERAL PROVISIONS FOR PRODUCTS AND PARTS.................................................................................. 14RM 0310 INTRODUCTION ............................................................................................................................................ 14RM 0320 ROLLED OR FORGED BARS AND FLATS.................................................................................................... 14

RM 0321 General provisions ...................................................................................................................................... 14RM 0322 Chemical requirements ............................................................................................................................... 14RM 0323 Delivery condition - heat treatment ............................................................................................................. 15RM 0324 Mechanical properties................................................................................................................................. 15RM 0325 Surface examination ................................................................................................................................... 16RM 0326 Internal defect detection.............................................................................................................................. 16RM 0327 Removal of defects ..................................................................................................................................... 17

RM 0330 PLATES .......................................................................................................................................................... 17RM 0331 General provisions ...................................................................................................................................... 17RM 0332 Chemical requirements ............................................................................................................................... 17RM 0333 Delivery condition - heat treatment ............................................................................................................. 17RM 0334 Mechanical requirements ............................................................................................................................ 17RM 0335 Surface defect detection ............................................................................................................................. 18RM 0336 Internal defect detection.............................................................................................................................. 19RM 0337 Removal of defects ..................................................................................................................................... 19

RM 0340 PIPES AND TUBES........................................................................................................................................ 19RM 0341 General provisions ...................................................................................................................................... 19RM 0342 Chemical Requirements.............................................................................................................................. 20RM 0343 Delivery Condition - Heat Treatment........................................................................................................... 20RM 0344 Mechanical Requirements........................................................................................................................... 20RM 0345 Surface Defect Examination........................................................................................................................ 21RM 0346 Internal defect detection.............................................................................................................................. 21RM 0347 Removal of defects ..................................................................................................................................... 21

RM 0350 FORGINGS..................................................................................................................................................... 22RM 0351 General provisions ...................................................................................................................................... 22RM 0352 Chemical requirements ............................................................................................................................... 22RM 0353 Delivery condition - heat treatment ............................................................................................................. 22


Contents RM / 2 © n °111-2007

RM 0354 Mechanical requirements ............................................................................................................................ 22RM 0355 Surface defect examination......................................................................................................................... 23RM 0356 Internal defect detection.............................................................................................................................. 24RM 0357 Removal of defects...................................................................................................................................... 24

RM 0360 CASTINGS (OTHER THAN CLASS 1)............................................................................................................ 24RM 0361 General provisions ...................................................................................................................................... 24RM 0362 Chemical requirements ............................................................................................................................... 25RM 0363 Delivery condition - Heat treatment ............................................................................................................. 25RM 0364 Mechanical requirements ............................................................................................................................ 25RM 0365 Surface examination.................................................................................................................................... 26RM 0366 Internal defect detection.............................................................................................................................. 27RM 0367 Removal and repair of defects .................................................................................................................... 27

RM 0370 BASE METAL TEST COUPONS .................................................................................................................... 28RM 0380 FORGING RATIO ........................................................................................................................................... 28

RM 0381 Definition ..................................................................................................................................................... 28RM 0382 Overall ratio of reduction ............................................................................................................................. 29RM 0383 Parts fabricated by upsetting or flattening ................................................................................................... 29

RM 1000 RPS NON ALLOY STEELS.................................................................................................................................... 33

RM 1100 NON-ALLOY STEELS......................................................................................................................................... 33RM 1110 CASTING ........................................................................................................................................................ 33RM 1120 FORGED PARTS – FORGED OR ROLLED BARS ........................................................................................ 33

RM 1121 Product procurement specification: class 1, 2 and 3 carbon steel forgings................................................. 33RM 1122 Part procurement specification: carbon steel forging for reactor cover plug upper plate............................. 37

RM 1130 PLATES .......................................................................................................................................................... 43RM 1131 Product procurement specification: class 1, 2 and 3 non-alloy steel plates................................................. 43RM 1132 Part procurement specification P295GH+Z35 carbon steel plates no thicker than 50 mm with

warranted properties in the short transverse direction................................................................................. 47RM 1133 Product procurement specification: grade P265GH carbon steel plates between 110 and 300 mm

thick............................................................................................................................................................. 53RM 1134 Not used...................................................................................................................................................... 58RM 1135 Product procurement specification: class S1 and S2 steel plates, beams and commercial grade bars

for general structural use............................................................................................................................. 59RM 1136 Part procurement specification: P295GH carbon steel plates no thicker than 50 mm................................. 61

RM 1140 PIPES.............................................................................................................................................................. 67RM 1141 Product procurement specification: class 2 seamless pipes made of type P235GH and P265GH

non-alloy steel ............................................................................................................................................. 67RM 1142 Product Procurement Specification: class 3 P235TR2 and P265TR2 cold or hot rolled non-alloy

steel pipes longitudinally welded without the addition of filler metal ............................................................ 69RM 1143 Not used...................................................................................................................................................... 70RM 1144 Not used...................................................................................................................................................... 70RM 1145 Product procurement specification: class 2 and 3 hot or cold rolled non-alloy steel pipe longitudinally

welded with the addition of filler metal......................................................................................................... 71RM 1146 Not used...................................................................................................................................................... 74RM 1147 Not used...................................................................................................................................................... 74RM 1148 Product Procurement Specification: class 2 P235GH or P265GH electric welded non-alloy steel

pipes without the addition of filler metal....................................................................................................... 75

RM 2000 RPS ALLOY STEELS............................................................................................................................................. 77

RM 2100 MANGANESE NICKEL MOLYBDENUM ALLOY STEELS .................................................................................. 77RM 2110 CASTINGS...................................................................................................................................................... 77RM 2120 HAND OR DROP FORGINGS – FORGED OR ROLLED BARS..................................................................... 77

RM 2121 Product procurement specification: class 1, 2 and 3 16 MND 5 manganese-nickel-molybdenum alloy steel forgings for use at high temperature................................................................................................... 77

RM 2130 PLATES .......................................................................................................................................................... 83RM 2131 Product procurement specification: class 1 and 2 16MND5 manganese- nickel-molybdenum alloy

steel plates 15 to 150 mm thick................................................................................................................... 83

RM 2200 MOLYBDENUM ALLOY STEELS........................................................................................................................ 89RM 2210 CASTINGS...................................................................................................................................................... 89RM 2220 HAND OR DROP FORGINGS – FORGED OR ROLLED BARS..................................................................... 89

RM 2221 Product procurement specification: class 2 and 3 molybdenum alloy steel forgings and drop forgings (RPS suppressed)....................................................................................................................................... 89

RM 2300 NICKEL-CHROMIUM-MOLYBDENUM ALLOY STEELS .................................................................................... 89

RM 2400 CHROMIUM-MOLYBDENUM ALLOY STEELS .................................................................................................. 89RM 2410 CASTINGS...................................................................................................................................................... 89

RM 2411 Product procurement specification: class 2 and 3 pressure retaining G17CrMo9-10 alloy steel castings for use at high temperature ........................................................................................................... 89

RM 2420 HAND OR DROP FORGINGS – FORGED OR ROLLED BARS..................................................................... 97


© n° 111-2007 Contents RM / 3

RM 2421 Product procurement specification: class 2 and 3 forged parts made from chromium-molybdenum alloyed steel ................................................................................................................................................ 97

RM 2422 Part procurement specification: X10CrMoVNb9-1 alloy steel forgings for steam generator tube plates .......................................................................................................................................................... 99

RM 2423 Part procurement specification: 7CrMo9-10 alloy steel forgings for steam generator tube plates............. 105RM 2424 Product procurement specification class 1, 2 and 3 7CrMo9-10 chromium-molybdenum alloy steel

rolled or forged bars and semi-finished products ...................................................................................... 111RM 2425 Product procurement specification: class 1, 11CrMo9-10 alloy steel forged parts .................................... 117

RM 2430 PLATES ........................................................................................................................................................ 119RM 2431 Part procurement specification: X10CrMoVNb9-1 alloy steel thick plates for steam generator tube

plates ........................................................................................................................................................ 119RM 2432 Product procurement specification: class 1 and 2 X10CrMoVNb9-1 alloy steel plates between 15

and 150 mm thick...................................................................................................................................... 125RM 2440 TUBES.......................................................................................................................................................... 131

RM 2441 Product procurement specification: class 1 and 2 7CrMo9-10 chromium-molybdenum alloy steel seamless tubes for use in steam generators other than in the tube bundles ............................................ 131

RM 2442 Part procurement specification: seamless chromium-molybdenum alloy steel tubes for steam generator bundles ..................................................................................................................................... 137

RM 3000 RPS STAINLESS STEELS .................................................................................................................................. 143

RM 3100 FERRITIC STAINLESS STEELS ...................................................................................................................... 143

RM 3200 MARTENSITIC STAINLESS STEELS............................................................................................................... 143

RM 3300 AUSTENITIC STAINLESS STEELS.................................................................................................................. 143RM 3310 CASTINGS.................................................................................................................................................... 143RM 3320 HAND OR DROP FORGINGS – FORGED OR ROLLED BARS .................................................................. 143

RM 3321 Product procurement specification: class 1, 2 and 3 X2CrNiMo17-12-2 controlled nitrogen content austenitic stainless steel forgings and drop forgings for use at high temperature ..................................... 143

RM 3322 Product procurement specification: class 1, 2 and 3 austenitic stainless steel forgings............................ 149RM 3323 Part procurement specification: X3CrNiMo17-12-2 controlled nitrogen content austenitic stainless

steel forgings for intermediate heat exchanger tube plates....................................................................... 155RM 3324 Product procurement specification: class 1, 2 and 3 X2CrNiMo17-12-2 controlled nitrogen content

austenitic stainless steel rolled or forged bars and semi-finished products for use at high temperature............................................................................................................................................... 161

RM 3325 Product procurement specification: class 1, 2 and 3 austenitic stainless steel rolled or forged bars and semi-finished products ....................................................................................................................... 167

RM 3326 Part procurement specification: X15CrNiW22-12 austenitic stainless steel forgings for the manufacture of shafts for primary and secondary pumps ......................................................................... 173

RM 3330 PLATES ........................................................................................................................................................ 179RM 3331 Product procurement specification: class 1, 2 and 3 X2CrNiMo17-12-2 controlled nitrogen content

austenitic stainless steel plate from 5 mm to 100 mm thick for use at high temperature .......................... 179RM 3332 Product procurement specification: class 1, 2 and 3 austenitic stainless steel plates............................... 185RM 3333 Product procurement specification class 1, 2 and 3 austenitic stainless steel plates and strips ............... 193RM 3334 Not used.................................................................................................................................................... 196RM 3335 Product procurement specification: class S1 and S2 general-purpose austenitic stainless steel plate,

sheet and strip .......................................................................................................................................... 197RM 3340 TUBES.......................................................................................................................................................... 199

RM 3341 Product procurement specification: class 1, 2 and 3, cold finished seamless austenitic stainless steel tubes for heat exchangers ................................................................................................................ 199

RM 3342 Product procurement specification: class 1, 2 and 3 austenitic stainless steel seamless pipes (not intended for use in heat exchangers)........................................................................................................ 205

RM 3343 Not used.................................................................................................................................................... 210RM 3344 Product procurement specification: rolled or rolled and drawn austenitic stainless steel tubes welded

without the addition of filler metal for class 1, 2 and 3 heat exchangers ................................................... 211RM 3345 Product procurement specification class 1, 2 and 3 austenitic stainless steel pipes rolled and welded

or rolled, welded and drawn without filler material (not intended for use in heat exchangers) .................. 217RM 3346 Product procurement specification: cold-rolled austenitic stainless steel pipe welded with the

addition of filler metal for use in class 1, 2 and 3 piping............................................................................ 223RM 3347 Product procurement specification hot or cold worked austenitic stainless steel fittings welded with

the addition of filler metal for use in class 1, 2 and 3 piping...................................................................... 227

RM 3400 AUSTENITIC-FERRITIC STAINLESS STEELS................................................................................................ 231RM 3410 CASTINGS.................................................................................................................................................... 231

RM 3411 Part procurement specification: austenitic-ferritic stainless steel castings for primary and secondary pumps ....................................................................................................................................................... 231

RM 3500 STRUCTURAL HARDENING AUSTENITIC STAINLESS STEELS................................................................... 237RM 3510 CASTINGS.................................................................................................................................................... 237RM 3520 HAND OR DROP FORGINGS – FORGED OR ROLLED BARS .................................................................. 237

RM 3521 Product procurement specification: class 1, 2 and 3 forgings or drop forgings in grade X6NiCrTiMoVB25-15-2 structural hardening stainless steel for use at high temperature ......................... 237


Contents RM / 4 © n °111-2007

RM 3530 PLATES ........................................................................................................................................................ 243RM 3540 TUBES .......................................................................................................................................................... 243RM 3550 BARS FOR BOLTING ................................................................................................................................... 243

RM 3551 Product procurement specification: class 1, 2 and 3 hot rolled or forged bars made from X6NiCrTiMoVB25-15-2 structural hardening austenitic stainless steel, intended for manufacturing bolting for high temperature use................................................................................................................ 243

RM 4000 RPS SPECIAL ALLOY ......................................................................................................................................... 247

RM 4100 NICKEL-IRON-CHROMIUM ALLOY ................................................................................................................. 247RM 4110 CASTINGS.................................................................................................................................................... 247RM 4120 HAND OR DROP FORGINGS – FORGED OR ROLLED BARS................................................................... 247

RM 4121 Product procurement specification: class 1, 2 and 3 X5NiCrTiAl33-21 nickel-iron-chromium annealed at 980°C alloy rolled or forged bars and s emi-finished products................................................ 247

RM 4122 Part procurement specification X5NiCrTiAl33-21 annealed at 980°C nickel-iron-chromium alloy rolled or forged bars and semi-finished products for steam generator thermal sleeves ............................ 253

RM 4123 Product procurement specification: NiCr19Fe19Nb5Mo3 structural hardening nickel-chromium-iron alloy hot rolled or forged bars for the manufacture of mechanical parts for use at high temperature classes K1 and K2 (K1=N1+N2, K2=N3) .................................................................................................. 259

RM 4130 PLATES ........................................................................................................................................................ 265RM 4140 TUBES .......................................................................................................................................................... 265

RM 4141 Part procurement specification: seamless X5NiCrTiAl33-21 annealed at 980°C nickel-chromium-iron alloy tubes for steam generator bundles ................................................................................................... 265

RM 4142 Product procurement specification class 1 and 2 X5NiCrTiAl33-21 annealed at 980°C nickel-iron-chromium alloy seamless tubes for use in steam generators other than tube bundles............ 271

RM 5000 RPS MISCELLANEOUS....................................................................................................................................... 277

RM 5100 .. ........................................................................................................................................................................ 277RM 5110 CASTINGS.................................................................................................................................................... 277RM 5120 HAND OR DROP FORGINGS – FORGED OR ROLLED BARS................................................................... 277RM 5130 PLATES ........................................................................................................................................................ 277RM 5140 TUBES .......................................................................................................................................................... 277RM 5150 BARS FOR BOLTING ................................................................................................................................... 277

RM 5151 Product procurement specification: chromium-molybdenum and chromium-nickel-molybdenum alloy steel rolled or forged bars for the manufacture of class 1, 2 and 3 bolting ................................................ 277

RCC-MR Edition 2007 Section 3 : examination methods

© n° 111-2007 Contents RMC / 1

CONTENTS

SECTION 3: EXAMINATION METHODS

RMC 1000 MECHANICAL, PHYSICAL, PHYSICOCHEMICAL AND CHEMICAL TESTS........................................................ 1

RMC 1100 GENERAL............................................................................................................................................................. 1RMC 1110 SAMPLING METHOD....................................................................................................................................... 1

RMC 1111 Test materials ............................................................................................................................................... 1RMC 1112 Welding......................................................................................................................................................... 1

RMC 1200 MECHANICAL TESTS .......................................................................................................................................... 1RMC 1210 TENSILE TESTS .............................................................................................................................................. 1

RMC 1211 Tension testing at room temperature ............................................................................................................ 1RMC 1212 Tension testing at high temperature.............................................................................................................. 1

RMC 1220 CHARPY IMPACT TESTS - PLOTTING THE DUCTILE-TO-BRITTLE TRANSITION CURVE ........................ 2RMC 1221 Charpy impact tests ...................................................................................................................................... 2RMC 1222 Plotting the ductile-to-brittle transition curve ................................................................................................. 2RMC 1223 Structural stability tests ................................................................................................................................. 2

RMC 1230 PELLINI DROP WEIGHT TEST (DETERMINATION OF TNDT) ...................................................................... 2

RMC 1240 DETERMINATION OF REFERENCE NIL DUCTILITY TRANSITION TEMPERATURE................................... 2RMC 1250 SPECIAL TOUGHNESS TESTS FOR HEAT-AFFECTED ZONES OF WELDS............................................... 3

RMC 1251 Pellini drop weight tests ................................................................................................................................ 3RMC 1252 Charpy impact tests ...................................................................................................................................... 3

RMC 1260 BEND TESTS ................................................................................................................................................... 3RMC 1261 General ......................................................................................................................................................... 3RMC 1262 Basic bend tests for steel products ............................................................................................................... 3RMC 1263 Bend tests for welds...................................................................................................................................... 3RMC 1264 Bend tests for cladding.................................................................................................................................. 3RMC 1265 Dishing tests ................................................................................................................................................. 3

RMC 1270 FLARING AND FLATTENING TESTS .............................................................................................................. 4RMC 1271 Tubes- Flaring test ........................................................................................................................................ 4RMC 1272 Tubes - Flattening test .................................................................................................................................. 4

RMC 1280 HARDNESS TESTS ......................................................................................................................................... 4RMC 1281 BRINELL HARDNESS TEST FOR STEEL - TESTING METHOD ................................................................ 4RMC 1282 ROCKWELL HARDNESS TEST................................................................................................................... 4RMC 1283 VICKER'S HARDNESS TEST (HV5 to HV100) ............................................................................................ 5RMC 1284 HARDNESS TEST FOR WELDED TEST COUPONS.................................................................................. 5

RMC 1290 CREEP STRENGTH TESTS ............................................................................................................................ 5

RMC 1300 PHYSICAL AND PHYSICO-CHEMICAL TESTS ................................................................................................... 5RMC 1310 ACCELERATED INTERGRANULAR CORROSION TEST OF AUSTENITIC stainless 18-10

CHROMIUM-NICKEL STEEL ........................................................................................................................... 5RMC 1311 General ......................................................................................................................................................... 5RMC 1312 Description of test ......................................................................................................................................... 5RMC 1313 Required results............................................................................................................................................ 7RMC 1314 Remarks........................................................................................................................................................ 7RMC 1315 Remarks........................................................................................................................................................ 7

RMC 1320 EXAMINATION OF METAL STRUCTURE ....................................................................................................... 8RMC 1321 Macrographic examination by macroetching of metals with strong mineral acids ......................................... 8RMC 1322 Micrographic examination ............................................................................................................................. 8RMC 1323 Micrographic examination using a cellulose replica ...................................................................................... 8

RMC 1330 GRAIN SIZE AND INCLUSION CONTENT ...................................................................................................... 8RMC 1331 Determination of grain size in steels and alloys ............................................................................................ 8RMC 1332 Methods for the determination of non-metallic inclusion content in hot worked steels .................................. 9

RMC 1340 FERRITE CONTENT ........................................................................................................................................ 9RMC 1341 Determination of ferrite content..................................................................................................................... 9RMC 1342 Measurement of ferrite content ..................................................................................................................... 9

RMC 1350 CHEMICAL ANALYSES.................................................................................................................................. 10RMC 1360 RESIDUAL TENSILE STRESS EVALUATION FOR AUSTENITIC STAINLESS STEEL HEAT

EXCHANGER TUBES .................................................................................................................................... 10RMC 1361 C-Ring stress-corrosion test........................................................................................................................ 10RMC 1362 Boiling magnesium chloride test ................................................................................................................. 10

RMC 2000 ULTRASONIC EXAMINATION .............................................................................................................................. 17

RMC 2100 GENERAL........................................................................................................................................................... 17RMC 2110 SCOPE ........................................................................................................................................................... 17


Contents RMC / 2 © n° 111-2007

RMC 2120 GENERAL CONDITIONS................................................................................................................................ 17RMC 2121 General principles ....................................................................................................................................... 17RMC 2122 Certification of inspectors ............................................................................................................................ 17RMC 2123 Ultrasonic examination documents ............................................................................................................. 17

RMC 2130 ULTRASONIC EXAMINATION EQUIPMENT ................................................................................................. 17RMC 2131 Ultrasonic examination apparatus ............................................................................................................... 17RMC 2132 Probes......................................................................................................................................................... 17RMC 2133 Coupling medium ........................................................................................................................................ 18RMC 2134 Calibration and Reference Blocks ............................................................................................................... 18

RMC 2140 EXAMINATION PERFORMANCE CONDITIONS ........................................................................................... 18RMC 2141 Surface preparation..................................................................................................................................... 18RMC 2142 Checking the probes - Time base calibration .............................................................................................. 18RMC 2143 Power and gain settings.............................................................................................................................. 19RMC 2144 Scanning method ........................................................................................................................................ 19

RMC 2150 CHARACTERIZATION OF INDICATIONS...................................................................................................... 19RMC 2151 Evaluation based on responses from an artificial reflector .......................................................................... 19RMC 2152 Evaluation based on back echo loss ........................................................................................................... 20

RMC 2160 EXAMINATION REPORT................................................................................................................................ 20RMC 2170 SPECIAL REQUIREMENTS FOR AUTOMATED PROCEDURES ................................................................. 20

RMC 2200 ULTRASONIC EXAMINATION OF CASTINGS................................................................................................... 20RMC 2210 SCOPE OF THE METHOD ............................................................................................................................. 20RMC 2220 GENERAL CONDITIONS................................................................................................................................ 21RMC 2230 EXAMINATION CONDITIONS ........................................................................................................................ 21

RMC 2231 Time of examination.................................................................................................................................... 21RMC 2232 Test areas ................................................................................................................................................... 21RMC 2233 Scanning methods....................................................................................................................................... 21RMC 2234 Reference blocks ........................................................................................................................................ 21RMC 2235 Distance-amplitude correction curves ......................................................................................................... 21RMC 2236 Characterization of an indication ................................................................................................................. 21

RMC 2300 ULTRASONIC EXAMINATION OF FORGINGS .................................................................................................. 21RMC 2310 GENERAL ....................................................................................................................................................... 21

RMC 2311 General provisions ...................................................................................................................................... 21RMC 2312 General conditions ...................................................................................................................................... 21RMC 2313 Scanning procedures .................................................................................................................................. 22RMC 2314 Ultrasonic examination documents ............................................................................................................. 22RMC 2315 Test report................................................................................................................................................... 22RMC 2316 Certification of inspectors ............................................................................................................................ 22

RMC 2320 TRANSVERSE AND/OR LONGITUDINAL ANGLE BEAM ULTRASONIC EXAMINATION............................ 22RMC 2321 Reference block .......................................................................................................................................... 22RMC 2322 Settings and defect evaluation .................................................................................................................... 23

RMC 2400 ULTRASONIC EXAMINATION OF STEEL OR AUSTENITIC ALLOY PLATES WITH THICKNESS ≥ 6 MM........ 23RMC 2410 GENERAL CONDITIONS................................................................................................................................ 23

RMC 2411 Coupling medium ........................................................................................................................................ 23RMC 2412 Reference block grade ................................................................................................................................ 23RMC 2413 Methods for taking attenuation into consideration ....................................................................................... 23

RMC 2500 ULTRASONIC EXAMINATION OF TUBES ......................................................................................................... 24RMC 2510 SCOPE OF METHOD ..................................................................................................................................... 24RMC 2520 GENERAL CONDITIONS................................................................................................................................ 24RMC 2530 EXAMINATION CONDITIONS ........................................................................................................................ 24

RMC 2531 Time of examination.................................................................................................................................... 24RMC 2532 Test areas ................................................................................................................................................... 24RMC 2533 Scanning method ........................................................................................................................................ 24RMC 2534 Reference tube............................................................................................................................................ 24

RMC 2540 TEST EQUIPMENT......................................................................................................................................... 25RMC 2541 Manual test equipment ................................................................................................................................ 25RMC 2542 Automatic test equipment............................................................................................................................ 25

RMC 2550 POWER AND GAIN SETTINGS ..................................................................................................................... 25RMC 2560 CHECKING THE SETTING OF THE AUTOMATIC DEVICE .......................................................................... 25RMC 2570 CHARACTERIZATION OF INDICATIONS...................................................................................................... 25RMC 2580 TEST REPORT ............................................................................................................................................... 25

RMC 2600 ULTRASONIC EXAMINATION OF FULL PENETRATION WELDS..................................................................... 26RMC 2610 SCOPE OF METHOD ..................................................................................................................................... 26RMC 2620 GENERAL CONDITIONS................................................................................................................................ 26RMC 2630 EXAMINATION CONDITIONS ........................................................................................................................ 26

RMC 2631 Time of examination.................................................................................................................................... 26RMC 2632 Test areas ................................................................................................................................................... 26RMC 2633 Surface preparation..................................................................................................................................... 26RMC 2634 Scanning conditions .................................................................................................................................... 26RMC 2635 Reference block .......................................................................................................................................... 27



RMC 2636 Power and gain settings.............................................................................................................................. 28RMC 2637 Characterization of indications .................................................................................................................... 28RMC 2638 Grouping of indications ............................................................................................................................... 28RMC 2639 Examination of repaired areas .................................................................................................................... 28

RMC 2700 ULTRASONIC EXAMINATION OF BUTTERING, CLADDING AND PLATING.................................................... 29RMC 2710 SCOPE OF METHOD..................................................................................................................................... 29RMC 2720 GENERAL CONDITIONS ............................................................................................................................... 29RMC 2730 EXAMINATION CONDITIONS........................................................................................................................ 29

RMC 2731 Time of examination.................................................................................................................................... 29RMC 2732 Test areas ................................................................................................................................................... 29RMC 2733 Preparation of surfaces............................................................................................................................... 29RMC 2734 Scanning methods ...................................................................................................................................... 29RMC 2735 Reference block .......................................................................................................................................... 29

RMC 2740 CHARACTERIZATION OF INDICATIONS...................................................................................................... 30RMC 2741 Cladding...................................................................................................................................................... 30RMC 2742 Buttering...................................................................................................................................................... 30RMC 2743 Plating......................................................................................................................................................... 31

RMC 2750 EXAMINATION OF WELD REPAIRED ZONES ............................................................................................. 31

RMC 2800 ULTRASONIC EXAMINATION OF HARDFACING ............................................................................................. 31RMC 2810 SCOPE OF METHOD..................................................................................................................................... 31RMC 2820 GENERAL CONDITIONS ............................................................................................................................... 31RMC 2830 EXAMINATION CONDITIONS........................................................................................................................ 31

RMC 2831 Time of examination.................................................................................................................................... 31RMC 2832 Test areas ................................................................................................................................................... 31RMC 2833 Preparation of surfaces............................................................................................................................... 31RMC 2834 Scanning method ........................................................................................................................................ 31RMC 2835 Reference block .......................................................................................................................................... 31

RMC 2840 CHARACTERIZATION OF INDICATIONS...................................................................................................... 32RMC 2841 Amplitude evaluation................................................................................................................................... 32RMC 2842 Size evaluation............................................................................................................................................ 32RMC 2843 Grouping of indications ............................................................................................................................... 32

RMC 2850 EXAMINATION OF WELD REPAIRED ZONES ............................................................................................. 32

RMC 2900 TERMINOLOGY FOR ULTRASONIC EXAMINATION........................................................................................ 32

RMC 3000 RADIOGRAPHIC EXAMINATION.......................................................................................................................... 41

RMC 3100 GENERAL........................................................................................................................................................... 41RMC 3110 SCOPE ........................................................................................................................................................... 41RMC 3120 GENERAL CONDITIONS ............................................................................................................................... 41

RMC 3121 Certification of inspectors............................................................................................................................ 41RMC 3122 Radiographic examination documents ........................................................................................................ 41RMC 3123 Reference radiographs................................................................................................................................ 41

RMC 3130 RADIOGRAPHIC EXAMINATION EQUIPMENT ............................................................................................ 41RMC 3131 Radiation sources ....................................................................................................................................... 41RMC 3132 Film systems............................................................................................................................................... 42RMC 3133 Intensifying screens .................................................................................................................................... 42RMC 3134 Filters .......................................................................................................................................................... 42RMC 3135 Blocking (Masking)...................................................................................................................................... 42RMC 3136 Penetrameters ............................................................................................................................................ 42RMC 3137 Identification and location markers.............................................................................................................. 42RMC 3138 Viewing equipment...................................................................................................................................... 42RMC 3139 Storage of films ........................................................................................................................................... 43

RMC 3140 EXAMINATION CONDITIONS........................................................................................................................ 44RMC 3141 Surface preparation .................................................................................................................................... 44RMC 3142 Choice of radiation source .......................................................................................................................... 44RMC 3143 Geometry .................................................................................................................................................... 44RMC 3144 Relative position of radiographic films and sources .................................................................................... 45RMC 3145 Penetrameters ............................................................................................................................................ 45RMC 3146 Cassettes make up ..................................................................................................................................... 45RMC 3147 Front filter.................................................................................................................................................... 46RMC 3148 Blocking (Masking)...................................................................................................................................... 46RMC 3149 Identification of radiographs ........................................................................................................................ 46

RMC 3150 PROCESSING AND EXAMINATION OF RADIOGRAPHIC FILMS................................................................ 47RMC 3151 Processing of radiographic films ................................................................................................................. 47RMC 3152 Fog density ................................................................................................................................................. 47RMC 3153 Examination of radiographs ........................................................................................................................ 47

RMC 3160 RADIOGRAPHIC FILM QUALITY................................................................................................................... 47RMC 3161 Density........................................................................................................................................................ 47RMC 3162 Image quality............................................................................................................................................... 48

RMC 3170 EXAMINATION REPORT ............................................................................................................................... 48



RMC 3200 RADIOGRAPHIC EXAMINATION OF STEEL CASTINGS .................................................................................. 48RMC 3210 SCOPE............................................................................................................................................................ 48RMC 3220 GENERAL CONDITIONS................................................................................................................................ 48RMC 3230 EXAMINATION CONDITIONS ........................................................................................................................ 49

RMC 3231 Time of examination.................................................................................................................................... 49RMC 3232 Test areas ................................................................................................................................................... 49RMC 3233 Surface preparation..................................................................................................................................... 49RMC 3234 Class of film systems................................................................................................................................... 49RMC 3235 Special examination conditions ................................................................................................................... 49

RMC 3240 AREAS RADIOGRAPHED.............................................................................................................................. 50RMC 3250 EXAMINATION OF WELD REPAIRED ZONES.............................................................................................. 51

RMC 3300 RADIOGRAPHIC EXAMINATION OF WELDS.................................................................................................... 51RMC 3310 SCOPE............................................................................................................................................................ 51

RMC 3311 General conditions ...................................................................................................................................... 51RMC 3312 Examination conditions ............................................................................................................................... 51RMC 3313 Identification of test areas ........................................................................................................................... 54RMC 3314 Inspection of repaired areas........................................................................................................................ 54

RMC 3400 TERMINOLOGY FOR RADIOGRAPHIC EXAMINATION.................................................................................... 54

RMC 4000 LIQUID PENETRANT EXAMINATION ................................................................................................................... 67

RMC 4100 GENERAL........................................................................................................................................................... 67RMC 4110 SCOPE............................................................................................................................................................ 67RMC 4120 GENERAL CONDITIONS................................................................................................................................ 67

RMC 4121 Certification of Inspectors............................................................................................................................ 67RMC 4122 Liquid penetrant examination documents.................................................................................................... 67

RMC 4200 CONTROL METHOD .......................................................................................................................................... 67

RMC 4300 TERMINOLOGY FOR PENETRANT EXAMINATION.......................................................................................... 68

RMC 5000 MAGNETIC PARTICLE EXAMINATION ................................................................................................................ 71

RMC 5100 GENERAL........................................................................................................................................................... 71RMC 5110 SCOPE............................................................................................................................................................ 71RMC 5120 GENERAL CONDITIONS................................................................................................................................ 71

RMC 5121 Certification of Inspectors............................................................................................................................ 71RMC 5122 Magnetic particle examination document .................................................................................................... 71

RMC 5130 MAGNETIC PARTICLE EXAMINATION EQUIPMENT................................................................................... 71RMC 5131 Magnetization by electric current flow apparatus ........................................................................................ 71RMC 5132 Magnetization by magnetic flow apparatus ................................................................................................. 71RMC 5133 Fixed magnetic particle test units ................................................................................................................ 71RMC 5134 Checking or calibration of apparatus........................................................................................................... 72RMC 5135 Detecting media .......................................................................................................................................... 72RMC 5136 Apparatus for applying detecting medium ................................................................................................... 72RMC 5137 Determination of magnetization conditions.................................................................................................. 72

RMC 5140 CONDITIONS FOR PERFORMANCE OF EXAMINATION............................................................................. 73RMC 5141 Stage of examination................................................................................................................................... 73RMC 5142 Test areas ................................................................................................................................................... 73RMC 5143 Surface preparation..................................................................................................................................... 73RMC 5144 Choice of examination method.................................................................................................................... 73RMC 5145 Magnetization conditions check .................................................................................................................. 73RMC 5146 Special precautions..................................................................................................................................... 73RMC 5147 Application of detecting medium ................................................................................................................. 73RMC 5148 Examination of magnetic patterns ............................................................................................................... 74

RMC 5150 INTERPRETATION OF indications ................................................................................................................. 74RMC 5160 CLEANING...................................................................................................................................................... 74RMC 5170 DEMAGNETIZATION...................................................................................................................................... 74RMC 5180 TEST REPORT ............................................................................................................................................... 74

RMC 5200 MAGNETIC PARTICLE TESTING BY CURRENT FLOW TECHNIQUE USING HAND-HELD PRODS............... 75RMC 5210 SCOPE OF METHOD ..................................................................................................................................... 75RMC 5220 GENERAL CONDITIONS................................................................................................................................ 75RMC 5230 EXAMINATION CONDITIONS ........................................................................................................................ 75

RMC 5231 Strength of magnetization current ............................................................................................................... 75RMC 5232 Grid pattern ................................................................................................................................................. 75

RMC 5300 MAGNETIC PARTICLE EXAMINATION USING THE MAGNETIC FLOW TECHNIQUE ..................................... 75RMC 5310 SCOPE OF METHOD ..................................................................................................................................... 75RMC 5320 GENERAL CONDITIONS................................................................................................................................ 75RMC 5330 EXAMINATION CONDITIONS ........................................................................................................................ 75

RMC 5331 Magnetization methods ............................................................................................................................... 75RMC 5332 Special technical conditions ........................................................................................................................ 75

RMC 5400 TERMINOLOGY FOR MAGNETIC PARTICLE EXAMINATION .......................................................................... 76



RMC 6000 EDDY CURRENT EXAMINATION OF TUBULAR PRODUCTS ............................................................................ 79

RMC 6100 GENERAL........................................................................................................................................................... 79RMC 6110 SCOPE ........................................................................................................................................................... 79RMC 6120 GENERAL CONDITIONS ............................................................................................................................... 79

RMC 6121 Certification of Inspectors............................................................................................................................ 79RMC 6122 Eddy Current Examination Documents ....................................................................................................... 79

RMC 6130 EDDY CURRENT EXAMINATION EQUIPMENT............................................................................................ 79RMC 6131 Eddy Current Apparatus.............................................................................................................................. 79RMC 6132 Test Coil...................................................................................................................................................... 79RMC 6133 Automatic Examination Unit ........................................................................................................................ 79RMC 6134 Reference Tube .......................................................................................................................................... 80

RMC 6140 EXAMINATION CONDITIONS........................................................................................................................ 80RMC 6141 Time of Examination ................................................................................................................................... 80RMC 6142 Test Areas................................................................................................................................................... 80RMC 6143 Surface Preparation .................................................................................................................................... 80RMC 6144 Adjustment of Test Equipment .................................................................................................................... 81RMC 6145 Verification of Equipment Settings .............................................................................................................. 81

RMC 6150 EDDY CURRENT EXAMINATION FOR SUPERFICIAL CARBURIZING OF NON-FERROMAGNETIC MATERIAL TUBE ........................................................................................................................................... 81


RMC 6200 TERMINOLOGY FOR EDDY CURRENT EXAMINATION................................................................................... 81

RMC 7000 OTHER EXAMINATION METHODS ...................................................................................................................... 83

RMC 7100 VISUAL EXAMINATION...................................................................................................................................... 83RMC 7110 SCOPE ........................................................................................................................................................... 83RMC 7120 GENERAL CONDITIONS ............................................................................................................................... 83

RMC 7121 Examination personnel................................................................................................................................ 83RMC 7122 Visual examination documents ................................................................................................................... 83

RMC 7130 EXAMINATION EQUIPMENT......................................................................................................................... 83RMC 7131 Direct visual examination ............................................................................................................................ 83RMC 7132 Indirect visual examination.......................................................................................................................... 83RMC 7133 Reference sample....................................................................................................................................... 83

RMC 7140 EXAMINATION CONDITIONS........................................................................................................................ 83RMC 7141 Stage of examination .................................................................................................................................. 83RMC 7142 Test areas ................................................................................................................................................... 83RMC 7143 Examination conditions ............................................................................................................................... 84


RMC 7200 DETERMINATION OF SURFACE CONDITIONS ............................................................................................... 84RMC 7210 SCOPE ........................................................................................................................................................... 84RMC 7220 GENERAL CONDITIONS ............................................................................................................................... 84RMC 7230 EXAMINATION EQUIPMENT......................................................................................................................... 84

RMC 7231 Description .................................................................................................................................................. 84RMC 7232 Characteristics ............................................................................................................................................ 84

RMC 7240 EXAMINATION CONDITIONS........................................................................................................................ 85RMC 7241 Time of examination.................................................................................................................................... 85RMC 7242 Test areas ................................................................................................................................................... 85RMC 7243 Examination conditions ............................................................................................................................... 85RMC 7244 Characterization.......................................................................................................................................... 85

RMC 7250 Examination report.......................................................................................................................................... 85

RMC 7300 (NOT USED) ....................................................................................................................................................... 85

RMC 7400 LEAK TESTING METHODS................................................................................................................................ 85RMC 7410 SCOPE ........................................................................................................................................................... 85RMC 7420 GENERAL CONDITIONS ............................................................................................................................... 85

RMC 7421 Certification of inspectors............................................................................................................................ 85RMC 7422 Leak testing documents .............................................................................................................................. 86

RMC 7430 LEAK TESTING METHODS ........................................................................................................................... 86RMC 7431 Choice of method........................................................................................................................................ 86RMC 7432 Choice of units ............................................................................................................................................ 86

RMC 7440 EXAMINATION CONDITIONS........................................................................................................................ 86RMC 7441 Preliminary conditions................................................................................................................................. 86RMC 7442 Sealing of openings and systems ............................................................................................................... 86RMC 7443 Cleanliness of vessels and circuits ............................................................................................................. 86RMC 7444 Checking, calibration................................................................................................................................... 86RMC 7445 Procedure ................................................................................................................................................... 87


RMC 8000 QUALIFICATION AND CERTIFICATION OF NON DESTRUCTIVE EXAMINATION PERSONNEL .................... 91

RMC 8100 QUALIFICATION AND CERTIFICATION OF NON DESTRUCTIVE EXAMINATION PERSONNEL ................... 91



RMC 8200 DEFINITIONS ..................................................................................................................................................... 91

RCC-MR Edition 2007 Section 4: welding

© n° 111-2007 Contents RS / 1

CONTENTS

SECTION 4: WELDING

RS 1000 GENERAL ................................................................................................................................................................ 1

RS 1100 GENERAL PROVISIONS...................................................................................................................................... 1RS 1110 PRELIMINARY VERIFICATIONS, QUALIFICATIONS AND ACCEPTANCES ................................................. 1RS 1120 WELDING DATA PACKAGE ............................................................................................................................ 1

RS 1121 Welding procedure data sheets .................................................................................................................... 1

RS 1200 WELDABILITY OF MATERIALS ........................................................................................................................... 2

RS 1300 GENERAL REMARKS ON HEAT TREATMENTS................................................................................................. 2RS 1310 INTRODUCTION .............................................................................................................................................. 2RS 1320 PREHEAT AND INTERPASS TEMPERATURE ............................................................................................... 3

RS 1321 Non-alloy steels ............................................................................................................................................ 3RS 1322 Low alloy steels except Cr and Cr-Mo steels containing not less than 0.5% Cr – 0.5% Mo.......................... 3RS 1323 Cr and Cr-Mo steels...................................................................................................................................... 3

RS 1330 POSTHEATING ................................................................................................................................................ 4RS 1340 STRESS RELIEVING HEAT TREATMENT ...................................................................................................... 4

RS 1341 Non-alloy steels ............................................................................................................................................ 4RS 1342 Low-alloy steels with the exception of Cr and Cr-Mo steels .......................................................................... 4RS 1343 Low-alloy Cr and Cr-Mo steels ; martensitic and ferritic stainless steels....................................................... 4

RS 1400 CONSERVATION OF TEST SPECIMENS, QUALIFICATION ASSEMBLIES AND PRODUCTION WELDTEST COUPONS.................................................................................................................................................. 4

RS 1500 DEFINITION OF WELDING PROCEDURE OPERATIONS................................................................................... 4

RS 1600 NOT USED............................................................................................................................................................... 5

RS 1700 NOT USED............................................................................................................................................................... 5

RS 1800 NOT USED............................................................................................................................................................... 5

RS 1900 CONTINUED VALIDITY OF QUALIFICATIONS - TRANSITIONAL PROVISIONS................................................ 5

RS 2000 ACCEPTANCE OF FILLER MATERIALS................................................................................................................ 7

RS 2100 GENERAL............................................................................................................................................................. 7RS 2110 PRINCIPLES..................................................................................................................................................... 7RS 2120 ACCEPTANCE SPECIFICATION ..................................................................................................................... 7RS 2130 Technical reference data sheets ....................................................................................................................... 7

RS 2200 DESIGNATION ..................................................................................................................................................... 7RS 2210 WIRES .............................................................................................................................................................. 7

RS 2211 Non-alloy and low-alloy steels....................................................................................................................... 7RS 2212 Stainless steels ............................................................................................................................................. 7RS 2213 Nickel-base alloys ......................................................................................................................................... 8

RS 2220 FLUX CORED WIRES ...................................................................................................................................... 8RS 2221 Non-alloy and low-alloy steels....................................................................................................................... 8

RS 2230 COVERED ELECTRODES............................................................................................................................... 8RS 2231 Non-alloy steels ............................................................................................................................................ 8RS 2232 Low-alloy steels ............................................................................................................................................ 8RS 2233 Stainless steels ............................................................................................................................................. 8RS 2234 Nickel-base alloys ......................................................................................................................................... 8RS 2235 X4CrNiMo16-5-1 steel................................................................................................................................... 8

RS 2240 STRIP ELECTRODES ...................................................................................................................................... 8RS 2241 Stainless steels ............................................................................................................................................. 8RS 2242 Nickel-base alloys ......................................................................................................................................... 8

RS 2250 FLUXES............................................................................................................................................................ 8RS 2260 SHIELDING GASES ......................................................................................................................................... 8

RS 2300 DIMENSIONAL CHARACTERISTICS.................................................................................................................... 8RS 2310 TIG WIRES ....................................................................................................................................................... 8RS 2320 MIG OR MAG WIRES....................................................................................................................................... 8RS 2330 COVERED ELECTROdes................................................................................................................................. 8RS 2340 OTHER PRODUCTS ........................................................................................................................................ 9

RS 2400 DEFINITION OF LOTS.......................................................................................................................................... 9RS 2410 SOLID WIRES AND STRIP ELECTRODES ..................................................................................................... 9RS 2420 FLUX CORED WIRES ...................................................................................................................................... 9RS 2430 COVERED ELECTRODes................................................................................................................................ 9RS 2440 SOLID FLUXES ................................................................................................................................................ 9


Contents RS / 2 © n° 111-2007

RS 2500 LOT TESTS........................................................................................................................................................... 9RS 2510 TESTS ON FILLER MATERIALS...................................................................................................................... 9

RS 2511 Cobalt content of filler materials .................................................................................................................... 9RS 2520 TESTS ON DEPOSITED WELD METAL OF PRODUCTS TO BE USED FOR WELD-DEPOSITED

AUSTENITIC-FERRITIC STAINLESS STEEL OR NICKEL-BASE ALLOY CLADDING ................................. 10RS 2521 Covered electrodes and as-shielded wires deposit and test conditions ...................................................... 10RS 2522 Strip electrodes and fluxes deposit and test conditions............................................................................... 10

RS 2530 TESTS ON WELD METAL FOR STRENGTH WELDS AND BUTTERING..................................................... 10RS 2531 Dimensions of test plates ............................................................................................................................ 10RS 2532 Preparation of test plates ............................................................................................................................ 10RS 2533 Operating conditions ................................................................................................................................... 11RS 2534 Heat treatment ............................................................................................................................................ 11RS 2535 Sampling and test methods......................................................................................................................... 11RS 2536 Number and type of tests ............................................................................................................................ 12

RS 2540 RESULTS........................................................................................................................................................ 12RS 2541 Results of tests............................................................................................................................................ 12RS 2542 Materials defined by reference data sheets or specification data sheets .................................................... 12RS 2543 Retests ........................................................................................................................................................ 13

RS 2550 ACCEPTANCE REPORT................................................................................................................................ 13

RS 2600 LABELLING......................................................................................................................................................... 15

RS 2700 TECHNICAL REFERENCE DATA SHEETS........................................................................................................ 15

RS 2800 REFERENCE DATA SHEETS FOR CARBON AND LOW-ALLOY STEEL FILLER MATERIALS ........................ 29

RS 2900 REFERENCE DATA SHEETS FOR STAINLESS STEEL AND NICKEL-BASE ALLOY FILLERMATERIALS........................................................................................................................................................ 39

RS 3000 WELDING PROCEDURE QUALIFICATION .......................................................................................................... 53

RS 3100 GENERAL........................................................................................................................................................... 53RS 3110 Scope.............................................................................................................................................................. 53RS 3120 REPAIR BY WELDING OF PRODUCTION WELDS....................................................................................... 53RS 3130 DOCUMENTS TO BE ESTABLISHED............................................................................................................ 53RS 3140 QUALIFICATION TESTS ................................................................................................................................ 53

RS 3141 Number and type of test pieces................................................................................................................... 54RS 3142 Dimensions ................................................................................................................................................. 54RS 3143 Acceptance of base metals and filler materials ........................................................................................... 54RS 3144 Position and direction of welding................................................................................................................. 54

RS 3150 REPORTS....................................................................................................................................................... 54RS 3160 VALIDITY OF THE QUALIFICATION.............................................................................................................. 54

RS 3200 ARC WELDING PROCEDURE QUALIFICATION FOR STEEL AND NICKEL ALLOY WELDS ........................... 54RS 3210 SCOPE (§ 1 OF NF EN ISO 15614-1) ............................................................................................................ 54RS 3220 TEST PIECE (§ 6 OF NF EN ISO 15614-1) .................................................................................................... 54

RS 3221 Welding of test pieces (§ 6.3 of NF EN ISO 15614-1)................................................................................. 54RS 3230 EXAMINATION AND TESTING (§ 7 of nf en iso 15614-1).............................................................................. 56

RS 3231 Extent of examination and testing (§ 7.1 of NF EN ISO 15614-1) ............................................................... 56RS 3232 Location and cutting of test specimens (§ 7.2 of NF EN ISO 15614-1) ....................................................... 57RS 3233 Non-destructive examinations (§ 7.3 of NF EN ISO 15614-1)..................................................................... 57RS 3234 Destructive tests (§ 7.4 of NF EN ISO 15614-1) ......................................................................................... 57RS 3235 Retesting procedures (§ 7.6 of NF EN ISO 15614-1).................................................................................. 59

RS 3240 RANGE OF APPROVAL (§ 8 of NF EN ISO 15614-1).................................................................................... 59RS 3241 Related to the manufacturer (§ 8.2 of NF EN ISO 15614-1)........................................................................ 59RS 3242 In relation to the material (§ 8.3 of NF EN ISO 15614-1)............................................................................. 59RS 3243 Common to all welding procedures (§ 8.4 of NF EN ISO 15614-1)............................................................. 60RS 3244 For a given set of procedures(§ 8.5 of NF EN ISO 15614-1) ...................................................................... 62

RS 3300 NOT USED.......................................................................................................................................................... 67

RS 3400 SIMULATED REPAIRS BY WELDING ................................................................................................................ 67RS 3410 SIMULATED REPAIRS BY WELDING............................................................................................................ 67RS 3420 STEEL CAST PARTS REPAIRS BY WELDING ............................................................................................. 67

RS 3421 Range of approval of the qualification ......................................................................................................... 67RS 3422 Execution of the test piece .......................................................................................................................... 68RS 3423 Testing oh the test piece ............................................................................................................................. 68RS 3424 Results ........................................................................................................................................................ 68RS 3425 Simulated repair by welding ........................................................................................................................ 68

RS 3500 SPECIAL WELDS ............................................................................................................................................... 71RS 3510 STEELS AND NICKEL BASE ALLOY DISSIMILAR METAL WELDS............................................................. 71

RS 3511 General ....................................................................................................................................................... 71RS 3512 Execution and testing of the test piece........................................................................................................ 71RS 3513 Special case of fillet welds of austenitic stainless steel and carbon or low-allow steel (Cr-Mo and Cr-

Mo-V steels excluded)................................................................................................................................. 71


© n° 111-2007 Contents RS / 3

RS 3514 Special case of girth welds of nickel-base alloy with an unalloyed or low-alloy steel or a non-austenitic alloy ............................................................................................................................................ 71

RS 3515 Simulated repair by welding ........................................................................................................................ 71RS 3520 CANOPY AND OMEGA TYPE WELDS.......................................................................................................... 72

RS 3521 Range of approval of the qualification......................................................................................................... 72RS 3522 Execution of the test piece.......................................................................................................................... 72RS 3523 Testing the test piece.................................................................................................................................. 72RS 3524 Simulated repair by welding ........................................................................................................................ 73

RS 3530 FILLET WELDS NOT SUBJECTED TO MECHANICAL STRESSES ............................................................. 73RS 3531 Attachment welds........................................................................................................................................ 73RS 3532 Seal welds................................................................................................................................................... 73

RS 3540 PIPE SOCKET WELDS .................................................................................................................................. 73RS 3541 Range of approval of the representative socket weld test piece ................................................................. 73RS 3542 Execution of the test piece.......................................................................................................................... 74RS 3543 Examination of the test piece ...................................................................................................................... 74

RS 3550 THIN WELDS CARRIED OUT WITH AN AUTOMATIC WELDING MACHINE............................................... 74RS 3551 General ....................................................................................................................................................... 74RS 3552 Area of validity of the qualification............................................................................................................... 74RS 3553 Execution of the qualification test coupon................................................................................................... 75RS 3554 Testing of the qualification test coupon....................................................................................................... 75

RS 3560 ELECTRON BEAM WELDING........................................................................................................................ 76RS 3561 Execution of the test piece (§ 6 of NF EN ISO 15614-11)........................................................................... 76RS 3562 Testing of the test piece (§ 7 of NF EN ISO 15614-11)............................................................................... 77RS 3563 Results to be obtained ................................................................................................................................ 77RS 3564 Range of approval of the qualification......................................................................................................... 77RS 3565 Qualification of repair by welding ................................................................................................................ 79RS 3566 Duration of validity ...................................................................................................................................... 79

RS 3570 LASER BEAM WELDING ............................................................................................................................... 79RS 3571 Scope (§ 1 of NF EN ISO 15614.11)........................................................................................................... 79RS 3572 Welding procedure test piece (§ 6 of NF EN ISO 15614.11)....................................................................... 79RS 3573 Examination and testing (§ 7 of NF EN ISO 15614-11) .............................................................................. 79RS 3574 Range of qualification (§ 8 of NF EN ISO 15614-11) .................................................................................. 80RS 3575 Duration of validity ...................................................................................................................................... 81

RS 3580 SPECIAL PROVISIONS FOR METAL-PLATED PLATE JOINTS AND FOR JOINTS CONNECTING PREVIOUSLY WELDED CLAD PARTS. ........................................................................................................ 81

RS 3582 Provisions for joints connecting previously welded clad parts..................................................................... 81RS 3583 Homogeneous build-up............................................................................................................................... 81

RS 3600 WELD OVERLAY CLADDING OF ON AUSTENITIC- FERRITIC STAINLESS STEEL CARBON ANDLOW-ALLOY STEELS ........................................................................................................................................ 85

RS 3610 RANGE OF APPROVAL OF THE QUALIFICATION ...................................................................................... 85RS 3611 Workshop.................................................................................................................................................... 85RS 3612 Base metal: grade....................................................................................................................................... 85RS 3613 Base metal: shape, dimensions .................................................................................................................. 85RS 3614 Welding process ......................................................................................................................................... 85RS 3615 Filler materials and shielding gas................................................................................................................ 85RS 3616 Number and sequence of layers ................................................................................................................. 86RS 3617 Welding position and direction .................................................................................................................... 86RS 3618 Welding technique and parameters ............................................................................................................ 86RS 3619 Heat treatments .......................................................................................................................................... 86

RS 3620 EXECUTION OF THE TEST PIECE ............................................................................................................... 87RS 3621 Base metal and filler materials .................................................................................................................... 87RS 3622 Welding of the test piece............................................................................................................................. 87RS 3623 Simulated stress relieving heat treatment ................................................................................................... 87

RS 3630 EXAMINATION OF THE TEST PIECE ........................................................................................................... 87RS 3631 General ....................................................................................................................................................... 87RS 3632 Non-destructive examinations..................................................................................................................... 88RS 3633 Destructive tests ......................................................................................................................................... 88RS 3634 Results ........................................................................................................................................................ 88

RS 3640 SIMULATED REPAIR BY WELDING.............................................................................................................. 89RS 3650 COMBINATION OF WELDING PROCEDURES FOR CLADDINGS .............................................................. 89

RS 3700 WELD OVERLAY CLADDING OF NICKEL-BASE ALLOY ON CARBON AND LOW-ALLOY STEELS................ 89RS 3710 RANGE OF APPROVAL OF THE QUALIFICATION ...................................................................................... 89

RS 3711 Workshop.................................................................................................................................................... 89RS 3712 Base metal: grade....................................................................................................................................... 89RS 3713 Base metal: shape, dimensions .................................................................................................................. 89RS 3714 Welding processes...................................................................................................................................... 89RS 3715 Filler materials and shielding gas................................................................................................................ 89RS 3716 Number and sequence of layers ................................................................................................................. 89RS 3717 Position and direction of welding................................................................................................................. 90


Contents RS / 4 © n° 111-2007

RS 3718 Welding technique and parameter .............................................................................................................. 90RS 3719 Heat treatments........................................................................................................................................... 90

RS 3720 EXECUTION OF THE TEST PIECE ............................................................................................................... 90RS 3730 EXAMINATION AND TESTING OF THE TEST PIECE................................................................................... 90

RS 3731 General ....................................................................................................................................................... 90RS 3732 Non-destructive examinations ..................................................................................................................... 90RS 3733 Destructive tests.......................................................................................................................................... 90RS 3734 Results ........................................................................................................................................................ 90

RS 3740 SIMULATED REPAIR BY WELDING.............................................................................................................. 91RS 3750 SIMULATED TUBE TO TUBE PLATE WELDS............................................................................................... 91RS 3760 COMBINATION OF WELDING PROCEDURES FOR CLADDING ................................................................. 91

RS 3800 TUBE TO HEAT EXCHANGER TUBE PLATE WELDS ....................................................................................... 91RS 3810 RANGE OF APPROVAL OF THE QUALIFICATION....................................................................................... 92

RS 3811 Workshop .................................................................................................................................................... 92RS 3812 Base metal: grade ....................................................................................................................................... 92RS 3813 Base metal: shape, dimensions .................................................................................................................. 92RS 3814 Welding process.......................................................................................................................................... 92RS 3815 Filler materials and shielding gas ................................................................................................................ 92RS 3816 Type of preparation ..................................................................................................................................... 92RS 3817 Position and direction of welding................................................................................................................. 93RS 3818 Welding technique and parameters............................................................................................................. 93RS 3819 Heat treatments........................................................................................................................................... 93

RS 3820 EXECUTION OF THE TEST PIECE ............................................................................................................... 93RS 3821 Base metal and filler materials .................................................................................................................... 93RS 3822 Type of preparation ..................................................................................................................................... 93RS 3823 Welding of the test piece ............................................................................................................................. 93RS 3824 Simulated stress relieving heat treatment ................................................................................................... 93

RS 3830 EXAMINATION OF THE TEST PIECE............................................................................................................ 93RS 3831 General ....................................................................................................................................................... 93RS 3832 Non-detructive examinations....................................................................................................................... 93RS 3833 Destructive tests.......................................................................................................................................... 94RS 3834 Results ........................................................................................................................................................ 94

RS 3840 SIMULATED REPAIR BY WELDING.............................................................................................................. 94RS 3841 Range of approval and execution of test pieces.......................................................................................... 94RS 3842 Examination of the test piece ...................................................................................................................... 94

RS 3900 WELDING PROCEDURE QUALIFICATION IN THE FIELD OF CREEP ...................................................................... 96RS 3910 GENERAL ....................................................................................................................................................... 96

RS 3911 Scope.......................................................................................................................................................... 96RS 3912 Creep domain.............................................................................................................................................. 96RS 3913 Filler materials and welding procedures only corresponding to low-dilution processes............................... 96RS 3914 Procedures only using high-dilution processes ........................................................................................... 96RS 3915 Cases of procedures using a high-dilution process at the coupon root ....................................................... 96

RS 3920 CHARACTERIZATION OF FILLER MATERIALS ........................................................................................... 96RS 3921 Scope.......................................................................................................................................................... 96RS 3922 Definition of the filler material to be characterized....................................................................................... 97RS 3923 Filler material characterization file............................................................................................................... 97RS 3924 Filler material characterization tests ............................................................................................................ 97RS 3925 Tests on weld joints..................................................................................................................................... 98RS 3926 Reduced test series..................................................................................................................................... 98RS 3927 Results required .......................................................................................................................................... 99RS 3928 Utilization range of characterized filler materials ......................................................................................... 99RS 3929 Suspension of authorization ........................................................................................................................ 99

RS 3930 WELDING PROCEDURE CHARACTERIZATION .......................................................................................... 99RS 3931 Scope.......................................................................................................................................................... 99RS 3932 Definition of the procedure to be characterized......................................................................................... 100RS 3933 Welding procedure characterization file .................................................................................................... 100RS 3934 Welding procedure characterization tests ................................................................................................. 100RS 3935 Results required ........................................................................................................................................ 101RS 3936 Utilization range of characterized welding procedures .............................................................................. 101

RS 3940 REFERENCE SPECIFICATION DATA SHEETS.......................................................................................... 102

RS 4000 QUALIFICATION OF WELDERS AND OPERATORS......................................................................................... 103

RS 4100 GENERAL......................................................................................................................................................... 103RS 4110 PURPOSE..................................................................................................................................................... 103RS 4120 RESPONSIBILITY OF THE MANUFACTURER............................................................................................ 103RS 4130 DOCUMENTS TO BE PREPARED............................................................................................................... 103RS 4140 RENEWAL OF QUALIFICATIONS................................................................................................................ 103

RS 4200 GENERAL CASE .............................................................................................................................................. 103RS 4210 INTRODUCTION........................................................................................................................................... 103


© n° 111-2007 Contents RS / 5

RS 4220 TECHNICAL REQUIREMENTS.................................................................................................................... 103RS 4221 General ..................................................................................................................................................... 103RS 4222 Scope of application.................................................................................................................................. 103RS 4223 Base metal groups (§ 5.4 of NF EN ISO 9606-4, § 5.5 of NF EN 287-1) .................................................. 104

RS 4230 RANGE OF APPROVAL............................................................................................................................... 104RS 4231 General ..................................................................................................................................................... 104RS 4232 Groups of material (§ 6.4 of NF EN ISO 9606-4, § 5.5 of NF EN 287-1) .................................................. 104RS 4233 Dimensions (§ 5.6 of NF EN ISO 9606-4, § 5.7 of NF EN 287-1) ............................................................. 104RS 4234 Types of weld (§ 6.3 of NF EN ISO 9606-4, § 5.4 and § 5.9 of NF EN 287-1) .......................................... 104RS 4235 Méthode de contrôle et d’examens (§ 7.4 of NF EN ISO 9606-4, § 6.4 of NF EN 287-1) ......................... 104RS 4236 Period of validity of the qualification (§ 10 of NF EN ISO 9606-4, § 9.3 of NF EN 287-1)......................... 104

RS 4240 ADDITIONAL TEST PIECES ........................................................................................................................ 105RS 4241 General ..................................................................................................................................................... 105RS 4242 Representative test piece of nozzles ........................................................................................................ 105RS 4243 Testing of the representative test piece .................................................................................................... 105RS 4244 Range of approval for nozzles .................................................................................................................. 105

RS 4300 SPECIAL CASES.............................................................................................................................................. 105RS 4310 CLADDING AND BUTTERING BY FUSION OF AUSTENITIC-FERRITIC STAINLESS STEEL AND

NICKEL-BASE ALLOY.................................................................................................................................. 105RS 4311 Execution of the qualification test piece .................................................................................................... 105RS 4312 Non destructive examinations ................................................................................................................... 105RS 4313 Destructive tests ....................................................................................................................................... 106

RS 4320 WELDING OF HEAT EXCHANGER TUBES TO TUBE PLATE ................................................................... 106RS 4321 Range of approval..................................................................................................................................... 106RS 4322 Execution of the qualification test piece .................................................................................................... 107

RS 4330 SPECIFIC SEAL WELDS (CANOPY, OMEGA JOINTS ETC.) ..................................................................... 107RS 4340 PIPE SOCKET WELDS ................................................................................................................................ 107

RS 5000 QUALIFICATION OF FILLER MATERIALS ........................................................................................................ 109

RS 5100 GENERAL......................................................................................................................................................... 109RS 5110 SCOPE ......................................................................................................................................................... 109RS 5120 DEFINITION OF LOTS ................................................................................................................................. 109RS 5130 QUALIFICATION TESTS.............................................................................................................................. 109

RS 5131 Description of tests ................................................................................................................................... 109RS 5132 Method ...................................................................................................................................................... 109

RS 5140 QUALIFICATION RECORD AND REPORT.................................................................................................. 110RS 5141 Qualification record ................................................................................................................................... 110RS 5142 Qualification data sheet............................................................................................................................. 110RS 5143 Qualification certificate.............................................................................................................................. 110

RS 5200 LIMITS OF VALIDITY OF THE QUALIFICATION .............................................................................................. 110RS 5210 GRADE AND THICKNESS OF BASE METAL.............................................................................................. 110RS 5220 GEOMETRICAL CHARACTERISTICS OF WELDING MATERIALS ............................................................ 111RS 5230 WELDING PROCESS AND TYPE OF CURRENT ....................................................................................... 111RS 5240 TYPE OF WELD ........................................................................................................................................... 111RS 5250 POSITION AND DIRECTION OF WELDING................................................................................................ 111RS 5260 WELDING PARAMETERS............................................................................................................................ 111RS 5270 ASSOCIATED HEAT TREATMENTS ........................................................................................................... 111

RS 5300 QUALIFICATION TESTS FOR CARBON AND LOW-ALLOY STEEL FILLER MATERIALS.............................. 111RS 5310 QUALIFICATION TESTS.............................................................................................................................. 111

RS 5311 Tests on product ....................................................................................................................................... 111RS 5312 Tests on the weld metal outside the dilution zone..................................................................................... 112RS 5313 Tests on the test coupon........................................................................................................................... 112

RS 5320 RESULTS TO BE OBTAINED ...................................................................................................................... 112

RS 5400 QUALIFICATION TESTS ON FILLER MATERIALS FOR WELDS OF AUSTENITIC ORAUSTENITIC-FERRITIC STAINLESS STEEL..................................................................................................... 112

RS 5410 QUALIFICATION TESTS.............................................................................................................................. 112RS 5411 Tests on products ..................................................................................................................................... 112RS 5412 Tests on the weld metal outside the dilution zone..................................................................................... 112RS 5413 Tests on the test coupon........................................................................................................................... 113


RS 5500 WELDING MATERIAL FOR AUSTENITIC-FERRITIC STAINLESS STEEL CLADDING................................... 113RS 5510 QUALIFICATION TESTS.............................................................................................................................. 113

RS 5511 Tests on products ..................................................................................................................................... 113RS 5512 Tests on the weld metal outside the dilution zone..................................................................................... 113RS 5513 Tests on the test coupon........................................................................................................................... 113


RS 5600 WELDING MATERIALS FOR NICKEL-BASE ALLOY STRENGTH WELDS ..................................................... 114RS 5610 QUALIFICATION TESTS.............................................................................................................................. 114


Contents RS / 6 © n° 111-2007

RS 5611 Tests on products...................................................................................................................................... 114RS 5612 Tests on the deposited metal outside the dilution zone............................................................................. 114RS 5613 Tests on the test coupon........................................................................................................................... 114

RS 5620 RESULTS TO BE OBTAINED....................................................................................................................... 114

RS 5700 QUALIFICATION TEST FOR FILLER MATERIALS FOR NICKEL-BASE ALLOY CLADDING .............................. 114RS 5710 QUALIFICATION TESTS .............................................................................................................................. 114

RS 5711 Tests on products...................................................................................................................................... 114RS 5712 Tests on the weld metal outside the dilution zone..................................................................................... 114RS 5713 Tests on the test coupon........................................................................................................................... 114

RS 5720 RESULTS TO BE OBTAINED....................................................................................................................... 114

RS 6000 TECHNICAL QUALIFICATION OF PRODUCTION WORKSHOPS..................................................................... 115

RS 6100 SCOPE ............................................................................................................................................................. 115

RS 6200 QUALIFICATION CONDITIONS ....................................................................................................................... 115RS 6210 INSTALLATION............................................................................................................................................. 115RS 6220 PERSONNEL AND SUPERVISION .............................................................................................................. 115RS 6230 EXPERIENCE ............................................................................................................................................... 115

RS 6231 General case............................................................................................................................................. 115RS 6232 Demonstration that the level of skill has been maintained......................................................................... 115

RS 6300 QUALIFICATION REPORT............................................................................................................................... 115RS 6310 GENERAL CASE .......................................................................................................................................... 115RS 6320 DEMONSTRATION THAT THE LEVEL OF SKILL HAS BEEN MAINTAINED ............................................. 116

RS 6400 WORKSHOP QUALIFICATION PERIOD .......................................................................................................... 116RS 6410 QUALIFICATION PERIOD............................................................................................................................ 116RS 6420 INVALIDATION OF THE QUALIFICATION................................................................................................... 116

RS 6500 TRANSFER OF WELDING PROCEDURE QUALIFICATION............................................................................ 116

RS 7000 PRODUCTION WELDS ........................................................................................................................................ 117

RS 7100 GENERAL......................................................................................................................................................... 117RS 7110 SCOPE.......................................................................................................................................................... 117RS 7120 DOCUMENTS REQUIRED ........................................................................................................................... 117RS 7130 PRELIMINARY Verifications, qualifications, ACCEPTANCES FOR WELDING............................................ 117

RS 7200 STORAGE AND USE OF THE WELDING MATERIALS.................................................................................... 117RS 7210 STORAGE CONDITIONS ............................................................................................................................. 117

RS 7211 Entry into store .......................................................................................................................................... 117RS 7212 Storage period........................................................................................................................................... 117RS 7213 Stock control ............................................................................................................................................. 118RS 7214 Release from store.................................................................................................................................... 118

RS 7220 USE OF THE WELDING MATERIALS.......................................................................................................... 118RS 7221 Drying and conservation............................................................................................................................ 118RS 7222 Recycling of fluxes .................................................................................................................................... 118

RS 7230 IDENTIFICATION OF THE PRODUCTS DURING WELDING...................................................................... 118

RS 7300 PREPARATION AND EXAMINATION OF EDGES AND SURFACES FOR WELDING ..................................... 119RS 7310 BEVELS ........................................................................................................................................................ 119RS 7320 BEVELLING METHODS ............................................................................................................................... 119RS 7330 AIR CARBON ARC GOUGING ..................................................................................................................... 119RS 7340 CONDITIONS OF SURFACES AND EDGES TO BE WELDED AND OF ADJACENT AREAS.................... 119RS 7350 REPAIRS TO SURFACES AND EDGES TO BE WELDED.......................................................................... 119RS 7360 INSPECTION BEFORE ALIGNMENT........................................................................................................... 120

RS 7361 Dimensional check .................................................................................................................................... 120RS 7362 Visual examination .................................................................................................................................... 120RS 7363 Magnetic particle examination and liquid penetrant examination .............................................................. 120RS 7364 Other examinations ................................................................................................................................... 121

RS 7370 ALIGNMENT OF WELD EDGES .................................................................................................................. 121RS 7380 INSPECTIONS AFTER ALIGNMENT ........................................................................................................... 121

RS 7381 Dimensional checks of ready-to-weld assembly........................................................................................ 121RS 7382 Visual examination of the ready-to-weld test coupon ................................................................................ 121

RS 7400 EXECUTION OF PRODUCTION WELDS ......................................................................................................... 123RS 7410 TACK WELD REQUIREMENTS ................................................................................................................... 123

RS 7411 General ..................................................................................................................................................... 123RS 7412 Execution .................................................................................................................................................. 123

RS 7420 WELDING OF PERMANENT AND TEMPORARY ATTACHMENTS ............................................................ 123RS 7421 General ..................................................................................................................................................... 123RS 7422 Welding requirements ............................................................................................................................... 123RS 7423 Qualification for the welding attachments.................................................................................................. 124RS 7424 Bridges and clamps................................................................................................................................... 124RS 7425 Removal of temporary attachments........................................................................................................... 124


© n° 111-2007 Contents RS / 7

RS 7426 Inspection after removal of temporary attachments .................................................................................. 124RS 7430 EXECUTION OF WELDS ............................................................................................................................. 124

RS 7431 General requirements ............................................................................................................................... 124RS 7432 Special requirements ................................................................................................................................ 125RS 7433 Checking of instruments used for measuring welding parameters............................................................ 125RS 7434 Verification of welding parameters ............................................................................................................ 125RS 7435 Backing strips and consumable inserts ..................................................................................................... 125RS 7436 Weld pool protection ................................................................................................................................. 125RS 7437 Various surface alterations of the base metal ........................................................................................... 126RS 7438 Welds with removal of root passes - welds with backing runs................................................................... 126RS 7439 Cleanliness ............................................................................................................................................... 126

RS 7440 PEENING...................................................................................................................................................... 126RS 7450 WELD SURFACE FINISHING ...................................................................................................................... 126

RS 7451 Strength welds .......................................................................................................................................... 126RS 7452 Finishing weld cladding............................................................................................................................. 126

RS 7460 VISUAL AND DIMENSIONAL EXAMINATIONS ........................................................................................... 126RS 7461 Class 1 and 2 welds.................................................................................................................................. 126RS 7462 Class 3 welds............................................................................................................................................ 127RS 7463 Special case of welded socket joints......................................................................................................... 127

RS 7470 PRODUCTION WELD DATA SHEET ........................................................................................................... 127

RS 7500 WELD RELATED HEAT TREATMENTS........................................................................................................... 129RS 7510 GENERAL..................................................................................................................................................... 129RS 7520 PREHEATING............................................................................................................................................... 129

RS 7521 General ..................................................................................................................................................... 129RS 7522 Methods and precautions.......................................................................................................................... 129RS 7523 Preheat temperatures ............................................................................................................................... 129RS 7524 Measurement of preheat temperatures (and interpass temperatures) ...................................................... 129

RS 7530 POSTHEATING ............................................................................................................................................ 129RS 7540 STRESS-RELIEVING HEAT TREATMENTS................................................................................................ 130

RS 7541 General ..................................................................................................................................................... 130RS 7542 Operating conditions ................................................................................................................................. 130RS 7543 Requirements for production weld test coupons ....................................................................................... 130RS 7544 Temperatures and holding times............................................................................................................... 130RS 7545 Temperature monitoring and recording..................................................................................................... 131

RS 7600 REPAIR BY WELDING ..................................................................................................................................... 131RS 7610 GENERAL..................................................................................................................................................... 131RS 7620 SPECIAL CASE OF REPAIRS BY WELDING EXEMPTED FROM SUBSEQUENT HEAT

TREATMENT................................................................................................................................................ 131

RS 7700 NON-DESTRUCTIVE EXAMINATION OF PRODUCTION WELDS .................................................................. 133RS 7710 CLASS 1 WELDS ......................................................................................................................................... 133

RS 7711 Methods .................................................................................................................................................... 133RS 7712 Extent of the examination.......................................................................................................................... 133RS 7713 Time of examination.................................................................................................................................. 135RS 7714 Acceptance criteria ................................................................................................................................... 136RS 7715 Repairs...................................................................................................................................................... 138RS 7716 Report ....................................................................................................................................................... 138

RS 7720 CLASS 2 WELDS ......................................................................................................................................... 138RS 7721 Method ...................................................................................................................................................... 139RS 7722 Extent of the examination.......................................................................................................................... 139RS 7723 Time of examination.................................................................................................................................. 141RS 7724 Acceptance criteria ................................................................................................................................... 142RS 7725 Repairs...................................................................................................................................................... 143RS 7726 Report ....................................................................................................................................................... 144

RS 7730 CLASS 3 WELDS ......................................................................................................................................... 144RS 7731 Method ...................................................................................................................................................... 144RS 7732 Extent of the examination.......................................................................................................................... 144RS 7733 Time of examination.................................................................................................................................. 144RS 7734 Acceptance criteria ................................................................................................................................... 145

RS 7740 RADIOGRAPHIC EXAMINATION BY SAMPLING OF SOCKET WELDS .................................................... 145RS 7741 Radiographic examination criteria............................................................................................................. 145RS 7742 Degree of examination.............................................................................................................................. 145

RS 7750 NON DESTRUCTIVE EXAMINATION OF BELLOW PRODUCTION WELDS.............................................. 146RS 7751 Non destructive tests of longitudinal welds ............................................................................................... 146RS 7752 Non destructive tests of bellows backing rings.......................................................................................... 146RS 7753 Non destructive tests of welds between bellows and their backing rings .................................................. 146

RS 7800 DESTRUCTIVE TESTING OF PRODUCTION WELDS: PRODUCTION WELD TEST COUPONS................... 183RS 7810 PRINCIPLES................................................................................................................................................. 183RS 7820 NUMBER OF PRODUCTION WELD TEST COUPONS............................................................................... 183

RS 7821 General ..................................................................................................................................................... 183


Contents RS / 8 © n° 111-2007

RS 7822 Special cases ............................................................................................................................................ 183RS 7830 WELDING OF PRODUCTION WELD TEST COUPONS.............................................................................. 184RS 7840 EXAMINATION ............................................................................................................................................. 184RS 7850 TESTS........................................................................................................................................................... 184RS 7860 SPECIAL CASES OF CHEMICAL ANALYSES OF DISSIMILAR METAL JOINTS....................................... 185

RS 7861 Stainless steel cladding on carbon or low-alloy steels............................................................................... 185RS 7862 High-nickel base alloy cladding on carbon or low-alloy steels................................................................... 185RS 7863 Stainless steel to carbon or low-alloy steel buttering performed by manual or semi-automatic

welding ...................................................................................................................................................... 185RS 7870 PRODUCTIONS WELD TEST COUPON REPORTS ................................................................................... 185

RS 8000 WELD-DEPOSITED HARDFACING ON CARBON, LOW-ALLOY OR ALLOY STEELS.................................... 187

RS 8100 GENERAL......................................................................................................................................................... 187RS 8110 HARDFACING PROCEDURES .................................................................................................................... 187RS 8120 PROCESSES................................................................................................................................................ 187RS 8130 DESIGN DRAWINGS.................................................................................................................................... 187RS 8140 DOCUMENTS TO BE PREPARED............................................................................................................... 187

RS 8200 ACCEPTANCE OF FILLER MATERIALS.......................................................................................................... 188RS 8210 GENERAL ..................................................................................................................................................... 188RS 8220 DEFINITION OF FILLER MATERIALS.......................................................................................................... 188RS 8230 LOT OF FILLER METAL ............................................................................................................................... 188

RS 8231 Rods.......................................................................................................................................................... 188RS 8232 Covered electrodes ................................................................................................................................... 188RS 8233 Powder fluxes............................................................................................................................................ 188

RS 8240 TESTS PER LOT .......................................................................................................................................... 188RS 8241 Tests on material....................................................................................................................................... 188RS 8242 Tests on the deposited metal .................................................................................................................... 189

RS 8250 ACCEPTANCE REPORT.............................................................................................................................. 189

RS 8300 HARDFACING PROCEDURE QUALIFICATION............................................................................................... 189RS 8310 AREA OF VALIDITY OF THE QUALIFICATION ........................................................................................... 189

RS 8311 Workshop .................................................................................................................................................. 189RS 8312 Base metal: grade ..................................................................................................................................... 189RS 8313 Base metal: shape, dimensions ................................................................................................................ 190RS 8314 Welding process........................................................................................................................................ 190RS 8315 Filler materials........................................................................................................................................... 190RS 8316 Number of layers....................................................................................................................................... 190RS 8317 Welding position........................................................................................................................................ 190RS 8318 Welding techniques and parameters......................................................................................................... 190RS 8319 Heat treatments......................................................................................................................................... 191

RS 8320 EXECUTION OF THE QUALIFICATION TEST COUPON............................................................................ 191RS 8321 Base metal and filler materials .................................................................................................................. 191RS 8322 Hardfacing of the qualification test coupon................................................................................................ 191RS 8323 Repair simulation....................................................................................................................................... 191

RS 8330 EXAMINATIONS AND TESTS ON THE QUALIFICATION TEST COUPON ................................................ 191RS 8331 Non-destructive examinations ................................................................................................................... 191RS 8332 Destructive tests........................................................................................................................................ 191

RS 8340 PERIOD OF VALIDITY OF QUALIFICATION ............................................................................................... 192

RS 8400 QUALIFICATION OF WELDERS AND WELDING OPERATORS ..................................................................... 193RS 8410 AREA OF VALIDITY ..................................................................................................................................... 193

RS 8411 Workshop .................................................................................................................................................. 193RS 8412 Base metal: grade ..................................................................................................................................... 193RS 8413 Base metal: shape, dimensions ................................................................................................................ 193RS 8414 Welding process........................................................................................................................................ 193RS 8415 Filler materials and shielding gases .......................................................................................................... 193RS 8416 Number of layers....................................................................................................................................... 193RS 8417 Welding position........................................................................................................................................ 193RS 8418 Welding techniques and parameters......................................................................................................... 193

RS 8420 QUALIFICATION TEST COUPON................................................................................................................ 193RS 8421 Base metal and filler material .................................................................................................................... 193RS 8422 Hardfacing of the qualification test coupon................................................................................................ 193

RS 8430 EXAMINATIONS AND TESTS ON THE QUALIFICATION TEST COUPON ................................................ 193RS 8431 Non-destructive examinations ................................................................................................................... 193RS 8432 Destructive tests........................................................................................................................................ 193

RS 8440 VALIDITY OF QUALIFICATION - QUALIFICATION RENEWAL................................................................... 193

RS 8500 MANUFACTURE............................................................................................................................................... 194RS 8510 STORAGE AND UTILIZATION OF FILLER MATERIALS............................................................................. 194

RS 8511 Use of materials ........................................................................................................................................ 194RS 8512 Identification of products during hardfacing............................................................................................... 194

RS 8520 PREPARATION OF THE SURFACE TO BE HARDFACED ......................................................................... 195


© n° 111-2007 Contents RS / 9

RS 8530 HARDFACING TECHNIQUES...................................................................................................................... 195RS 8531 Welding positions...................................................................................................................................... 195RS 8532 Cleanliness ............................................................................................................................................... 195

RS 8540 REPAIRS TO WELD DEPOSIT .................................................................................................................... 195RS 8550 HEAT CYCLES............................................................................................................................................. 195

RS 8551 Preheating, post heating ........................................................................................................................... 195RS 8552 Heat treatment .......................................................................................................................................... 195

RS 8560 HARDFACING TESTS, BEFORE AND AFTER MACHINING ...................................................................... 195RS 8561 Surface examination - visual examination................................................................................................. 195RS 8562 Liquid penetrant examination - visual examination ................................................................................... 196RS 8563 Dimensional check.................................................................................................................................... 196

RS 8570 OTHER PRODUCTION EXAMINATIONS .................................................................................................... 196RS 8571 Analysis of machining chips ...................................................................................................................... 196RS 8572 Surface hardness...................................................................................................................................... 196RS 8573 Ultrasonic or radiographic examinations ................................................................................................... 196RS 8574 Ferromagnetic examination....................................................................................................................... 196RS 8575 Production weld test coupons ................................................................................................................... 196

Appendix RS1 Mechanical tests Appendix RS3 Types of branches recommended welded assemblies for pipes

RCC-MR Edition 2007 Section 5 : fabrication

© n°111-2007 Contents RF / 1

CONTENTS

SECTION 5: FABRICATION

RF 1000 INTRODUCTION ...................................................................................................................................................... 1

RF 2000 MARKING PROCEDURE......................................................................................................................................... 3

RF 2100 GENERAL REQUIREMENTS ............................................................................................................................... 3

RF 2200 METHODS............................................................................................................................................................ 3

RF 2300 LETTERS OR SYMBOLS...................................................................................................................................... 3

RF 2400 TEMPORARY MARKING...................................................................................................................................... 3

RF 3000 CUTTING - REPAIR WITHOUT WELDING.............................................................................................................. 5

RF 3100 GENERAL............................................................................................................................................................. 5

RF 3200 SHEARING ........................................................................................................................................................... 5

RF 3300 OXY-GAS CUTTING............................................................................................................................................. 5

RF 3400 PLASMA ARC AND GAS TUNGSTEN ARC CUTTING ......................................................................................... 5

RF 3500 CARBON ARC CUTTING AND GOUGING ........................................................................................................... 5

RF 3600 REPAIR WITHOUT WELDING.............................................................................................................................. 5RF 3610 GENERAL......................................................................................................................................................... 5RF 3620 REPAIR WITHOUT WELDING ......................................................................................................................... 5

RF 4000 FORMING AND DIMENSIONAL TOLERANCES .................................................................................................... 7

RF 4100 FORMING............................................................................................................................................................. 7RF 4110 GENERAL......................................................................................................................................................... 7

RF 4111 Scope............................................................................................................................................................ 7RF 4112 Required documents..................................................................................................................................... 7RF 4113 Elongation evaluation method....................................................................................................................... 7

RF 4120 QUALIFICATION OF THE FORMING PROCEDURE....................................................................................... 8RF 4121 Purpose and necessity of qualification.......................................................................................................... 8RF 4122 Required documents..................................................................................................................................... 8RF 4123 Range of approval of qualification................................................................................................................. 8RF 4124 Qualification tests.......................................................................................................................................... 9RF 4125 Retest conditions ........................................................................................................................................ 11RF 4126 Test reports................................................................................................................................................. 11

RF 4130 PRODUCTION FORMING OPERATIONS...................................................................................................... 12RF 4131 Operational requirements............................................................................................................................ 12RF 4132 Forming operation checks........................................................................................................................... 12

RF 4140 NOT USED ..................................................................................................................................................... 13RF 4150 NOT USED ..................................................................................................................................................... 13RF 4160 BENDING TUBES FOR CLASS 1, 2 AND 3 HEAT EXCHANGERS .............................................................. 13

RF 4161 General ....................................................................................................................................................... 13RF 4162 Dimensional tolerances after bending......................................................................................................... 13RF 4163 Qualification of the bending procedure ....................................................................................................... 13RF 4164 Documents required on completion of qualification..................................................................................... 14RF 4165 Examination of production bends................................................................................................................ 14

RF 4170 FORMING OF BELLOWS............................................................................................................................... 15RF 4171 Operations to be carried out before manufacturing the cylinder.................................................................. 15RF 4172 Wave forming.............................................................................................................................................. 15RF 4173 Dimensional check of the bellows ............................................................................................................... 15

RF 4200 COMPONENT FORMING TOLERANCES.......................................................................................................... 17RF 4210 TOLERANCES FOR A VESSEL UNDER INTERNAL PRESSURE................................................................ 17

RF 4211 General ....................................................................................................................................................... 17RF 4212 Thickness.................................................................................................................................................... 17RF 4213 Form tolerances on cylindrical and conical shells of an ended fabricated device ....................................... 17RF 4214 Tolerance devations for vessel parts fabricated from pipes ........................................................................ 17RF 4215 Tolerance for formed vessel heads............................................................................................................. 17RF 4216 Tolerances for pipe after forming ................................................................................................................ 18RF 4217 Vessels subjected to external pressure....................................................................................................... 18RF 4218 Cylindrical openings and nozzles................................................................................................................ 18

RF 4300 ALIGNMENT OF PARTS ASSEMBLED BY WELDING....................................................................................... 20RF 4310 GENERAL....................................................................................................................................................... 20


Contents RF / 2 © n° 111-2007

RF 4320 ALIGNMENT TOLERANCES FOR JOINTS WELDED ON BOTH SIDES OR WELDED ONE SIDE ONLY BUT ACCESSIBLE ON the ROOT SIDe .............................................................................................. 20

RF 4330 JOINTS WELDED ON A SINGLE SIDE AND INACCESSIBLE ON THE BACK ............................................. 20RF 4340 DISHED PARTS AND HEADS MADE OF WELDED PARTS ......................................................................... 20RF 4350 PIPES AND PIPING........................................................................................................................................ 20RF 4360 DEVIATIONS FROM TOLERANCES.............................................................................................................. 20

RF 4400 HEAT EXCHANGER TUBE EXPANSION AND STRESS-RELIEVING OF TRANSITION ZONES INEXCHANGER TUBE SHEETS ............................................................................................................................ 21

RF 5000 SURFACE TREATMENT........................................................................................................................................ 23

RF 5100 ELECTROLYTIC CHROMIUM PLATING ............................................................................................................ 23RF 5110 GENERAL ....................................................................................................................................................... 23RF 5120 SUBSTRATE MATERIALS ............................................................................................................................. 23RF 5130 PROCEDURE ................................................................................................................................................. 23RF 5140 QUALIFICATION............................................................................................................................................. 23RF 5150 PREPARATION OF PARTS............................................................................................................................ 23

RF 5151 Condition of parts ........................................................................................................................................ 23RF 5152 Cleaning ...................................................................................................................................................... 23

RF 5160 CHROMIUM PLATING REQUIREMENTS...................................................................................................... 24RF 5161 Chromium plating in an acid bath................................................................................................................ 24RF 5162 Dehydrogenation treatment......................................................................................................................... 24

RF 5170 EXAMINATION ............................................................................................................................................... 24RF 5171 Surface examination.................................................................................................................................... 24RF 5172 Thickness verification.................................................................................................................................. 24RF 5173 Adhesion check........................................................................................................................................... 24

RF 5180 REPAIR OF DEFECTIVE COATINGS ............................................................................................................ 25

RF 5200 MANGANESE PHOSPHATE COATING ............................................................................................................. 25RF 5210 GENERAL ....................................................................................................................................................... 25RF 5220 SUBSTRATE MATERIALS ............................................................................................................................. 25RF 5230 PROCEDURE ................................................................................................................................................. 25RF 5240 QUALIFICATION............................................................................................................................................. 25RF 5250 PREPARATION OF PARTS............................................................................................................................ 25RF 5260 PHOSPHATING .............................................................................................................................................. 25

RF 5261 Activation of the surface .............................................................................................................................. 25RF 5262 Phosphating ................................................................................................................................................ 25RF 5263 Rinsing - Passivation - Drying ..................................................................................................................... 26

RF 5270 EXAMINATION ............................................................................................................................................... 26RF 5271 Visual examination ...................................................................................................................................... 26RF 5272 Thickness check.......................................................................................................................................... 26RF 5273 Dehydrogenation of steels whose UTS is greater than 1450 MPa .............................................................. 26RF 5274 Finish........................................................................................................................................................... 26

RF 5280 REMOVAL OF PHOSPHATE COATING ........................................................................................................ 26

RF 5300 PAINT COATING SYSTEM........................................................................................................................................ 26RF 5310 GENERAL ....................................................................................................................................................... 26RF 5320 CLASSIFICATION AND CHARACTERISTICS OF PAINT COATING SYSTEMS........................................... 26

RF 5321 Classification of paint coating system.......................................................................................................... 26RF 5322 Characteristics of paint coating system....................................................................................................... 27

RF 5330 MAIN CHARACTERISTICS SUBJECTED TO QUALIFICATION TESTS ....................................................... 27RF 5331 Resistance to sodium aerosols ................................................................................................................... 27RF 5332 Decontamination ......................................................................................................................................... 27RF 5333 Ionizing radiation resistance test ................................................................................................................. 27

RF 5340 LONG TERM RETENTION OF ANTI-CORROSIVE PROPERTIES ............................................................... 27RF 5350 PREPARATION OF SURFACES TO BE PAINTED........................................................................................ 27

RF 5351 Degreasing.................................................................................................................................................. 27RF 5352 Blasting ....................................................................................................................................................... 27RF 5353 Other surface preparation processes .......................................................................................................... 27

RF 5360 REQUIREMENTS FOR THE APPLICATION OF PROTECTIVE COATINGS................................................. 28RF 5370 PROCEDURE ................................................................................................................................................. 28

RF 5400 NITRIDING.......................................................................................................................................................... 30RF 5410 GENERAL ....................................................................................................................................................... 30RF 5420 SUBSTRATE MATERIALS ............................................................................................................................. 30RF 5430 PROCEDURE and qualification ...................................................................................................................... 30RF 5440 PREPARATION OF PARTS............................................................................................................................ 30

RF 5441 Condition of parts ........................................................................................................................................ 30RF 5442 Cleaning ...................................................................................................................................................... 30

RF 5450 NITRIDING STIPULATIONS........................................................................................................................... 30RF 5460 EXAMINATION ............................................................................................................................................... 30

RF 5461 Visual examination ...................................................................................................................................... 30RF 5462 Hardness..................................................................................................................................................... 30


© n°111-2007 Contents RF / 3

RF 5470 STORAGE ...................................................................................................................................................... 31

RF 5500 ELECTROLYTIC TIN-PLATING AND DIFFUSION TREATMENT....................................................................... 31RF 5510 GENERAL....................................................................................................................................................... 31RF 5520 SUBSTRATE MATERIALS ............................................................................................................................. 31RF 5530 PROCEDURE and qualification ...................................................................................................................... 31RF 5540 PREPARATION OF PARTS ........................................................................................................................... 31

RF 5541 Condition of parts........................................................................................................................................ 31RF 5542 Cleaning...................................................................................................................................................... 31

RF 5550 INSPECTION.................................................................................................................................................. 31RF 5551 Inspection coupon....................................................................................................................................... 31RF 5552 Visual inspection ......................................................................................................................................... 32RF 5553 Dimensional check...................................................................................................................................... 32

RF 5600 CADMIUM PLATING........................................................................................................................................... 32RF 5610 GENERAL....................................................................................................................................................... 32RF 5620 SUBSTRATE MATERIALS ............................................................................................................................. 32RF 5630 PROCEDURE ................................................................................................................................................. 32RF 5640 QUALIFICATION ............................................................................................................................................ 32RF 5650 PREPARATION OF PARTS ........................................................................................................................... 32RF 5660 CADMIUM PLATING REQUIREMENTS......................................................................................................... 32RF 5670 INSPECTION.................................................................................................................................................. 32

RF 5671 Inspection of the test part (RF 5640)........................................................................................................... 32RF 5672 Fabrication inspection ................................................................................................................................. 32

RF 5680 REWORKING OF FAULTY PLATINGS .......................................................................................................... 33RF 5690 FINISHING TREATMENT............................................................................................................................... 33

RF 5700 METALLIZATION BY ZINC OR ALUMINIUM SPRAYING................................................................................... 33RF 5710 GENERAL....................................................................................................................................................... 33RF 5720 SUBSTRATE MATERIALS ............................................................................................................................. 33RF 5730 PROCEDURE ................................................................................................................................................. 33RF 5740 QUALIFICATION ............................................................................................................................................ 33RF 5750 PREPARATION OF THE SURFACES TO BE COATED ................................................................................ 33

RF 5751 Preparation ................................................................................................................................................. 33RF 5752 Degreasing.................................................................................................................................................. 34RF 5753 Blasting ....................................................................................................................................................... 34

RF 5760 METALLIZATION REQUIREMENTS .............................................................................................................. 34RF 5761 Equipment................................................................................................................................................... 34RF 5762 Procedure ................................................................................................................................................... 34

RF 5770 NOMINAL METALLIZATION THICKNESSES ................................................................................................ 34RF 5780 INSPECTIONS................................................................................................................................................ 34

RF 5781 Visual inspection ......................................................................................................................................... 34RF 5782 Thickness check ......................................................................................................................................... 34

RF 5790 METALLIZATION TEST COUPONS............................................................................................................... 35

RF 5800 COATING BY NICKEL-CHROMIUM ALLOY SPRAYING.................................................................................... 35RF 5810 GENERAL....................................................................................................................................................... 35RF 5820 SUBSTRATE MATERIALS ............................................................................................................................. 35RF 5830 PROCEDURE ................................................................................................................................................. 35RF 5840 QUALIFICATION ............................................................................................................................................ 35RF 5850 PREPARATION OF SURFACES TO BE COATED ........................................................................................ 36

RF 5851 Treatment specifications ............................................................................................................................. 36RF 5852 Degreasing.................................................................................................................................................. 36RF 5853 Blasting ....................................................................................................................................................... 36

RF 5860 METALLIZATION REQUIREMENTS .............................................................................................................. 36RF 5861 Equipment................................................................................................................................................... 36RF 5862 Procedure ................................................................................................................................................... 36

RF 5870 METALLIZATION THICKNESS ...................................................................................................................... 36RF 5880 INSPECTIONS................................................................................................................................................ 36

RF 5881 Visual inspection ......................................................................................................................................... 36RF 5882 Thickness check ......................................................................................................................................... 36

RF 5890 METALLIZATION TEST COUPON ................................................................................................................. 36

RF 6000 CLEANLINESS ...................................................................................................................................................... 37

RF 6100 GENERAL........................................................................................................................................................... 37RF 6110 PURPOSE OF CLEANLINESS - DEGREE OF CLEANLINESS..................................................................... 37RF 6120 APPLICABILITY.............................................................................................................................................. 37RF 6130 TIME OF APPLICATION................................................................................................................................. 37RF 6140 STRUCTURE OF RF 6000 ............................................................................................................................. 37RF 6150 REQUIRED DOCUMENTS............................................................................................................................. 37

RF 6200 CLASSIFICATION .............................................................................................................................................. 38RF 6210 CLEANLINESS CLASSES.............................................................................................................................. 38


Contents RF / 4 © n° 111-2007

RF 6220 ASSIGNMENT OF COMPONENTS TO CLEANLINESS CLASSES............................................................... 38RF 6230 WORK AREAS REQUIRED............................................................................................................................ 38RF 6240 REQUIREMENTS FOR WORK AREAS.......................................................................................................... 38

RF 6241 Level I work area......................................................................................................................................... 38RF 6242 Level II work area........................................................................................................................................ 39RF 6243 Level III work area....................................................................................................................................... 39

RF 6250 WORK ZONES ON THE CONSTRUCTION SITE .......................................................................................... 39RF 6251 Level I work zone ........................................................................................................................................ 39RF 6252 Level II work zone ....................................................................................................................................... 39RF 6253 Level III work zone ...................................................................................................................................... 40RF 6254 Level IV work zone...................................................................................................................................... 40

RF 6260 RELATIONSHIP BETWEEN WORK AREAS AND WORK ZONES ON THE CONSTRUCTION SITE........... 40

RF 6300 CLEANLINESS CONTROL ................................................................................................................................. 40RF 6310 GENERAL ....................................................................................................................................................... 40RF 6320 CLEANLINESS CONTROL OF SURFACES IN CONTACT WITH A PROCESS FLUID ................................ 40

RF 6321 General ....................................................................................................................................................... 40RF 6322 Tests and associated criteria....................................................................................................................... 41

RF 6330 OTHER EXAMINATIONS................................................................................................................................ 41RF 6331 Corrosion resistant surfaces not in contact with a process fluid .................................................................. 41RF 6332 Control of protections and packaging.......................................................................................................... 41

RF 6340 CLEANING EXAMINATION REPORT ............................................................................................................ 41

RF 6400 REQUIREMENTS RELATIVE TO CONTAMINANTS .......................................................................................... 41RF 6410 REQUIREMENTS FOR MATERIALS ............................................................................................................. 42RF 6420 REQUIREMENTS RELATIVE TO CONTAMINATION .................................................................................... 42

RF 6421 Components in contact with the primary or secondary fluid or fluids injected into the primary fluid ............ 42RF 6422 Cleanliness class B and C components whose process fluid is steam or water from the secondary

system (except or recirculation) .................................................................................................................. 42RF 6423 Requirements for the use of products containing noxious chemical elements ............................................ 42

RF 6430 REQUIREMENTS APPLICABLE TO FABRICATION AND ON SITE INSTALLATION ................................... 43RF 6431 General ....................................................................................................................................................... 43RF 6432 Precaution to be taken with austenitic stainless steels and nickel base alloys............................................ 43

RF 6440 WATER QUALITY........................................................................................................................................... 43RF 6450 DRY, OIL-FREE AIR ....................................................................................................................................... 43

RF 6500 REQUIREMENTS FOR CLEANING METHODS ................................................................................................. 44RF 6510 PRINCIPLE OF CLEANING and definitions.................................................................................................... 44RF 6520 MECHANICAL CLEANING PROCESSES ...................................................................................................... 44

RF 6521 Mechanical descaling.................................................................................................................................. 44RF 6522 Mechanical cleaning methods ..................................................................................................................... 44

RF 6530 CHEMICAL CLEANING PROCESSES ........................................................................................................... 44RF 6531 Methodology................................................................................................................................................ 44RF 6532 General requirements.................................................................................................................................. 44RF 6533 Special requirements for degreasing........................................................................................................... 45RF 6534 Special requirements for descaling, pickling and decontamination (passivation) ........................................ 45

RF 6540 RINSING AND DRYING REQUIREMENTS.................................................................................................... 46RF 6541 Rinsing ........................................................................................................................................................ 46RF 6542 Drying.......................................................................................................................................................... 46

RF 6600 PRESERVATION OF CLEANLINESS................................................................................................................. 47RF 6610 characteristics of water used for tests ............................................................................................................. 47RF 6620 PROTECTION AND PRESERVATION (LAY-UP)........................................................................................... 47

RF 6621 General requirements.................................................................................................................................. 47RF 6622 Protection .................................................................................................................................................... 48RF 6623 Preservation ................................................................................................................................................ 48RF 6624 Requirements for desiccants and humidity indicator cards ......................................................................... 48

RF 6630 STORAGE REQUIREMENTS......................................................................................................................... 49RF 6631 General ....................................................................................................................................................... 49RF 6632 Storage in the shops or on the construction site ......................................................................................... 49RF 6633 Storage areas - general............................................................................................................................... 49RF 6634 Requirements for storage areas.................................................................................................................. 49RF 6635 Required storage areas according to cleanliness class............................................................................... 49RF 6636 Storage of components in work zones ........................................................................................................ 49

RF 6640 TRANSPORTATION ....................................................................................................................................... 50RF 6641 Means of transportation............................................................................................................................... 50RF 6642 Requirements for transportation and associated handling .......................................................................... 50RF 6643 Components transported by sea ................................................................................................................. 50

RF 6650 FINAL INSTALLATION ON THE CONSTRUCTION SITE .............................................................................. 50RF 6651 General ....................................................................................................................................................... 50RF 6652 Special requirements for installation............................................................................................................ 50RF 6653 Special requirements for cleaning on the construction site ......................................................................... 50

RF 6660 PRESERVATION OF CLEANLINESS AFTER INSTALLATION ..................................................................... 51


© n°111-2007 Contents RF / 5

RF 7000 MECHANICAL ASSEMBLIES ............................................................................................................................... 53

RF 7100 GENERAL........................................................................................................................................................... 53

RF 7200 MECHANICAL ASSEMBLIES............................................................................................................................. 53RF 7210 PROCEDURE ................................................................................................................................................. 53RF 7220 ASSEMBLY REQUIREMENTS....................................................................................................................... 53RF 7230 LUBRICANTS REQUIREMENTS ................................................................................................................... 53RF 7240 THREAD REQUIREMENTS ........................................................................................................................... 53RF 7250 FLANGE REQUIREMENTS............................................................................................................................ 54RF 7260 TOOL REQUIREMENTS ................................................................................................................................ 54RF 7270 SURFACE TREATMENT OF BOLTING MATERIALS .................................................................................... 54RF 7280 STANDARDS RELATING TO BOLTING MATERIALS FOR BOLTED FLANGE ASSEMBLY........................ 54

RF 8000 HEAT TREATMENTS (PARTS AND COMPONENTS).......................................................................................... 55

RF 8100 HEAT TREATMENT PROCEDURES.................................................................................................................. 55RF 8110 GENERAL....................................................................................................................................................... 55RF 8120 FACTORS INVOLVED IN HEAT TREATMENT.............................................................................................. 55RF 8130 TREATMENT CONDITIONS........................................................................................................................... 55RF 8140 TEMPERATURE CHECKING AND RECORDING DURING HEAT TREATMENT ......................................... 55

RF 8200 HEAT TREATMENT AFTER FORMING.............................................................................................................. 56

RF 8300 POST WELD HEAT TREATMENT ...................................................................................................................... 56

RF 8400 MISCELLANEOUS HEAT TREATMENT DURING FABRICATION..................................................................... 56RF 8410 DIMENSIONAL STABILIZATION TREATMENT ON AUSTENITIC STAINLESS STEEL

COMPONENTS .............................................................................................................................................. 56RF 8411 General ....................................................................................................................................................... 56RF 8412 Treatment procedure................................................................................................................................... 56RF 8413 Checks and inspections .............................................................................................................................. 56

RF 8420 BRIGHT ANNEALING OF AUSTENITIC STAINLESS STEELS ..................................................................... 56

Appendix RF1 Definitions Appendix RF2 Cleanliness control Appendix RF3 Water quality Appendix RF4 Special requirements for the selection and installation of insultation Appendix RF5 Procedure for the determination of contaminant content