Download - 150930 GF-GEN-P-PR-0512-A_MPS(DHF)
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GF-GEN-P-PR-0512 Manufacturing Procedure Specification PAGE 1 OF 29
PROVISION OF SUPPLY AND DELIVERY OF LINEPIPES AND HOT INDUCTION BENDS FOR WATER INJECTION (PHASE 1) FOR PETRONAS CARIGALI IRAQ
HOLDING B.V., GARRAF OPERATIONS
CONTRACT NO.: PCIHBV/2015/P&E/963
Manufacturer Procedure Specification GF-GEN-P-PR-0512
(Bend)
PETRONAS CARIGALI IRAQ B.V
Supplier Document No. B15-033
REV DATE STATUS
PREPARED BY
CHECKED BY
REVIEWED BY
APPROVED BY
PCIHBV COMMENT
NAME & SIGN
NAME & SIGN
NAME & SIGN
NAME & SIGN □Approved / Reviewed
A 18-Sep-15 Issued for
Review/Approval
A,Muro
H.Hosoi
H.Hosoi
K.Tanahashi
□Approved with Comment
□Resubmit for Approval
□Resubmit for Review
Name Signature Title Date
The signing, countersigning or other endorsements of any drawings and documentation by PCIHBV’s Representatives, agents or employees shall neither be construed as implying the responsibility for the correctness and accuracy of such documents nor relieving the CONTRACTOR of its obligations to review all information, data, drawings, and specifications provided by PCIHBV.
Class 1
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Sheet No. MPS No. Rev. No.
ContentsSheet No. (Sub total)
1. Scope ………….. 3
2. Manufacturing Process ………….. 3
3. Bend MTO ………….. 4
4. Manufacturing and Inspection Procedure of Bend 4- 1. Receiving of Mother Pipe ………….. 5 4- 2. Receiving Inspection ………….. 5 4- 3. Induction Bending ………….. 5 4- 4. Wall Thickness Inspection ………….. 6 4- 5. Dimensional Inspection before Bevelling ………….. 6 - 8 4- 6. Surface Hardness Testing ………….. 8 4- 7. Ultrasonic Testing on Bend Ends for Laminations ………….. 9 4- 8. Magnetic Particle Testing on Bend Surface ………….. 9 4- 9. Ultrasonic Testing on Longitudinal Weld Seam ………….. 9 4-10. Ultrasonic Testing on Bend Body for ………….. 9 Transverse Defects 4-11. End Preparation (End Bevelling) ………….. 9 4-12. Magnetic Particle Testing on Bevelled Face ………….. 9 4-13. Residual Magnetism Check ………….. 9 4-14. Visual Inspection ………….. 10 4-15. Dimensional Inspection after Bevelling ………….. 10 - 11 4-16. Marking ………….. 12 4-17. End Protection ………….. 12 4-18. Packing and Shipping ………….. 12
5. Mechanical Property Test on MPQT Bend 5- 1. Test Frequency ………….. 13 5- 2. Tensile Test ………….. 13 5- 3. Charpy V-Notch Impact Test ………….. 14 5- 4. Macro, Micro and Hardness Test ………….. 15 - 16
6. Documentation ………….. 17
APPENDIX-1 Measuring Method of Bend Angle ………….. 18APPENDIX-2 Measuring Method of Bend Radius ………….. 19APPENDIX-3 Ultrasonic Testing Procedure (Bend Ends) ………….. 20 - 21APPENDIX-4 Magnetic Particle Testing Procedure ………….. 22 - 24APPENDIX-5 Ultrasonic Testing Procedure ………….. 25 - 26
(Longitudinal Weld Seam)APPENDIX-6 Ultrasonic Testing Procedure ………….. 27 - 28
(Bend Body for Transverse Defects)
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B15-033A
2
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Sheet No. MPS No. Rev. No.
Para. 1 Scope This specification covers the requirements of manufacturing, inspection and testing of induction formed bends for "Garraf Water Injection" to be used by "PETRONAS Carigali Iraq Holdings BV (PCIHBV)".
Para. 2 Manufacturing Process
- MPQT Bend - - Production Bend -
Receiving of Mother Pipe Receiving of Mother Pipe
Receiving Inspection Receiving Inspection
Induction Bending Induction Bending
Wall Thickness Inspection Wall Thickness Inspection
Dimensional Inspection Dimensional Inspection before Bevelling
Surface Hardness Testing Surface Hardness Testing
Magnetic Particle Testing (Bend Surface) Ultrasonic Testing (Bend Ends)
Ultrasonic Testing (Longitudinal Weld Seam) Magnetic Particle Testing (Bend Surface)
Ultrasonic Testing (Bend Body) Ultrasonic Testing (Longitudinal Weld Seam)for Transverse defects
Ultrasonic Testing (Bend Body)Visual Inspection for Transverse defects
End Preparation (End Bevelling)
Magnetic Particle Testing (Bend Ends)
Residual Magnetism Check
Visual Inspection
Dimensional Inspection after Bevelling
Marking
End Protection
Packing and Shipping
3B15-033
A
Mechanical Property Test
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Sheet No. MPS No. Rev. No.
Para. 3 Bend MTO
Outer Radius
Neutral axis
Inner Radius
Weld Seam
R
Figure-1
Table-1ItemNo. Q'ty
EA1 62 23 114 55 246 20
Top: 1,000mm
Bottom: 1,000mm
API 5LX65
PSL2HF-ERW
219.1
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4
Wall Angle : Radius : RBend
45
B15-033A
1-1 to 1-6deg.
Grade & Unique Bend No.
(mm) (mm)(mm)
BendType Outside
Diameter
323.9
1,638.6 45273.1
17.3 1,943.4
Thickness
Nominal Nominal
219.1
15.1 1,638.6
1,314.612.8
3-1 to 3-114-1 to 4-55-1 to 5-246-1 to 6-20
12.8 1,314.62-1 to 2-2
9045
323.9 17.3 1,943.4 90
90273.1 15.1
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Sheet No. MPS No.
4. Manufacturing and Inspection Procedure of Bend Rev. No.Para. Process Procedure & Tolerance4-1 Receiving of 1. Manufacturer :
Mother Pipe NIPPON STEEL & SUMITOMO METAL CORPORATION2. Material Grade, Type and Size of Mother Pipe ; 1) API 5L GR.X65 PSL2, HF-ERW, 219.1mmOD x 13.4mmWT 2) API 5L GR.X65 PSL2, HF-ERW, 273.1mmOD x 15.9mmWT 3) API 5L GR.X65 PSL2, HF-ERW, 323.9mmOD x 18.2mmWT
4-2 Receiving Inspection 1. The following items will be checked on each mother pipe. 1) Marking Items 2) Outside Diameter 3) Wall Thickness 4) Length 5) Quantity 6) Appearance
4-3 Induction Bending 1. Bending Method The pipe is clamped at the top straight tangent. The area to be bent is locally induction heated from the outside surface. The pipe is pushed forwards at a constant speed so that bending stress is concentrated at the heated zone and therefore continuously deformed to produce the desired bend.2. Heat Temperature : Maximum 1100 deg.C (± 25 deg.C)3. Heat temperature will be measured on the external surface of heating portion(i.e. outer radius, inner radius and upper neutral zone) by an optical pyrometer and/or emission type thermometer.4. Cooling Water Pressure : 0.02 - 0.25 MPa (0.2 - 2.5 kgf/cm2) ± 10%5. Bending Speed : 0.4 - 2.0 mm/sec. ± 0.04 mm/sec.6. Cooling Water Temperature : 20 ± 15 deg.C7. Induction Heating Frequency : 500 or 2000 Hz +/- 20%8. Power (Heat Input) : Aiming ± 10%9. Identification number of induction coil will be informed.
10. Any interruption to the bending process shall result in the rejection of the bend.
11. The longitudinal weld seam will be positioned on the top neutral axis (±15 deg.) of bend.
12. No girth welds shall be present in the finished bends.
A
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5B15-033
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Sheet No. MPS No.
4. Manufacturing and Inspection Procedure of Bend (Cont.) Rev. No.Para. Process Procedure & Tolerance4-4 Wall Thickness 1. Wall thickness will be measured by an ultrasonic thickness tester.
Inspection 2. Measuring Location A minimum of three readings (start, middle and end) shall be taken equally spaced along both the extrados and intrados.3. Minimum Wall Thickness : Refer to table-2.
Table-2
4. Frequency of Calibration : Every 4 Hours
4-5 Dimensional Inspection The following items will be inspected before bevelling.before Bevelling4-5-1. Bend Angle 1. Measuring Method : As per figure-2 and APPENDIX-1.
2. Measuring Equipment : Ruler3. Tolerance : ± 1 degree
X Y
= tan -1(Y/X) Figure-2
4-5-2. Bend Radius 1. Measuring Method : As per figure-3 and APPENDIX-22. Measuring Equipment : Square gauge and Ruler3. Tolerance : ± 1% of the specified bend radius
Actual inside bend radius
Theoretical inside bend radiusFigure-3
Nom.WT
219.1
Bend
6B15-033
mm
Nom.OD
mmWTRadius
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6DR323.9 17.3 6DR 15.89
11.72273.1 15.1 13.87
6DR12.8mm
A
Minimum
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Sheet No. MPS No.
4. Manufacturing and Inspection Procedure of Bend (Cont.) Rev. No.Para. Process Procedure & Tolerance4-5 4-5-3. Out-of-Plane 1. Measuring Method : As per figure-4
(Difference between centerlines of both ends.)2. Measuring Equipment : Spacer gauge, height gauge and
Caliper gauge.3. Tolerance (P) : (10 x A) / 90 mm (For bend with angle of 45 degree or smaller : Maximum 5mm)
Where ;(P) = |d1-d2|A : Bend Angle
Pd1 d2
Figure-4
4-5-4. Ovality 1. Ovality will be measured by a caliper gauge. (Bend portion) 2. Measuring Location ;
Ovality will be measured at three locations (start, middle and end of bend) in bent portion. 3. Calculation Method
Where ; ODmax : Maximum Outside Diameter (mm) ODmin : Minimum Outside Diameter (mm) ODnom : Nominal Outside Diameter (mm)4. Tolerance : Maximum 2.5%
Figure-5
B15-033A
x 100 (%)ODnom
ODmax - ODmin
7
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Sheet No. MPS No.
4. Manufacturing and Inspection Procedure of Bend (Cont.) Rev. No.Para. Process Procedure & Tolerance4-5 4-5-5. Checking of 1. Inside diameter of each bend will be checked by pig gauge.
Inside Diameter 2. Size of Pig Gauge : As per figure-6 & table-3.by Gauging Pig 1) D : As per table-3.
2) Plate material : 6 mm thick minimum, Bakelite plates
Min. 6 mm
D : 95% of Nom.ID
Figure-6
Table-3Nominal Size (mm)
OD WT ID219.1 12.8 193.5 183.8
273.1 15.1 242.9 230.8
323.9 17.3 289.3 274.8
3. Acceptance Criteria : Free passage of gauge and No damage of gauge plates.
4-6 Surface Hardness 1. Equipment ; Testing Portable vickers hardness tester will be used.
2. Reading Location Three surface-hardness readings at each location shall be taken across two circumferential locations in the arc and across one circumferential location in each tangent. (As per figure-7)3. Acceptance Criteria : MPQT value +/- 30HV in the same location with maximum 300HV. (Average value of three readings on each location will be applied.)
Figure-7
A
Pig Size (mm)
8B15-033
Diameter : D
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L= Nom. ID
194
Min.Length : L
95% pig gauge :
95% pig gauge : 243
95% pig gauge : 290
T
C
N N'
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Sheet No. MPS No.
4. Manufacturing and Inspection Procedure of Bend (Cont.) Rev. No.Para. Process Procedure & Tolerance4-7 Ultrasonic Testing on 1. Extent of Testing ;
Bend Ends for For a distance of 50mm from ends over the full circumferenceLaminations of the bend ends except MPQT bends.
2. Method and Acceptance Criteria ; As per APPENDIX-3 of this specification.
4-8 Magnetic Particle 1. Extent of Testing ;Testing on Bend Over an arc of 90deg. both sides from the extrados on Surface external surface of bend portion and ground repaired portion
2. Method and Acceptance Criteria ; As per APPENDIX-4 of this specification.
4-9 Ultrasonic Testing 1. Extent of Testing ;on Longitudinal Weld The complete weld seam in the arc and transition zonesSeam 2. Method and Acceptance Criteria ;
As per APPENDIX-5 of this specification.
4-10 Ultrasonic Testing on 1. Extent of Testing ;Bend Body for On the bend extrados from top neutral to bottom neutral Transverse Defects including weld seam to ensure the free from transverse defects.
2. Method and Acceptance Criteria ; As per APPENDIX-6 of this specification.
4-11 End Preparation 1. Shape of Ends : As per figure-8.(End Bevelling)
30deg. +5/-0 deg.
Nom. WT +10% / -5%
1.6mm ± 0.8mm
Max. 9.5 deg. Nom. ID
Figure-8
4-12 Magnetic Particle 1. Extent of Testing ;Testing on Bevelled On the bevelled faces of bendFace 2. Method and Acceptance Criteria ;
As per APPENDIX-4 of this specification.
4-13 Residual Magnetism 1. Equipment : Tesla Meter or Flux Gauge (Gauss Meter)Check 2. Checking Location
Four equally spaced points on each bevelled face of bend pipe3. Acceptance Criteria : Maximum 2 mT (20 Gauss)
B15-0339
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A
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Sheet No. MPS No.
4. Manufacturing and Inspection Procedure of Bend (Cont.) Rev. No.Para. Process Procedure & Tolerance4-14 Visual Inspection 1. Each bend will be visually inspected on the external and internal
surface (where accessible from ends).2. Each bend will be free from nicks, dents, gouges, laminations and other detrimental surface defects.3. The wall thickness on ground area will be ultrasonic inspected and not be less than the specified minimum wall thickness.4. Ground area shall also be inspected by MT.
4-15 Dimensional Inspection The following items will be inspected after bevelling.after Bevelling4-15-1. Internal 1. The internal diameter will be measured using a caliper gauge
Diameter at at bevelled end of bend Ends 2. Tolerance : Nom. ID ± 1.6 mm
The average ID measured by a caliper gauge in 4 directions will be applied.
4-15-2. Ovality at Ends 1. Outside diameter will be measured at each bevelled ends by a caliper gauge.2. Calculation Method
Where ; ODmax : Maximum Outside Diameter (mm)ODmin : Minimum Outside Diameter (mm)ODnom : Nominal Outside Diameter (mm)
3. Tolerance : Maximum 1.5%
4-15-3. End Preparation 1. All bevel ends will be checked as per figure-8 in paragraph 4-11 of this specification.2. Measuring Equipment : Protractor and ruler.3. Acceptance Criteria : As per figure-8 in Para.4-11.
4-15-4. End 1. Measuring Method : As per figure-9. Squareness 2. Measuring Equipment : Square gauge and Taper gauge.
3. Tolerance : Maximum 3 mm
S
Figure-9
B15-03310
ODmax - ODminODnom
x 100 (%)
A
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Sheet No. MPS No.
4. Manufacturing and Inspection Procedure of Bend (Cont.) Rev. No.Para. Process Procedure & Tolerance4-15 4-15-5. Center to End 1. Measuring Equipment : Measuring tape
or Tangent Center to end dimension can be replaced with tangent length Length from tangency point, marked on dimensional inspection stage
against theoretical drawing, to end of bend.2. Tolerance : ± 30 mm
Tangency point
Tangency point
Top Tangent
Bottom Tangent
Figure-10
4-15-6. Waving 1. Wave shapes blend into the pipe surface in a gradual manner with a maximum crest-to-valley depth, CVD, of 1% of the actual outside diameter, when appeared.2. The ratio of the distance between adjacent crests, L, to the CVD is a minimum of 25.
OD2 OD3 OD4
CVD
L
Figure-11
3. The waving will be blend smoothly in the pipe surface.
B15-033
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Cen
ter-
to-E
nd
A
CVD =OD2+OD4
11
Center-to-End
2-OD3
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Sheet No. MPS No.
4. Manufacturing and Inspection Procedure of Bend (Cont.) Rev. No.Para. Process Procedure & Tolerance4-16 Marking 1. The following items will be stencil marked on the outside surface
of both ends with white paint stencil.2. Marking Items (Top side) <Example> 1) Customer's Name PCIHBV
2) Project Name GARRAF WATER INJECTION
3) PCIHBV P.O. No. P.O.NO. XXXXXX
4) Unique Bend No. XXXXX
5) Material Grade API 5L GR.X65, PSL 2, HF-ERW
6) Size 219.1MM x 12.8MM x 6DR x 45DEG.
7) Heat No. HT *******
8) Weight (Kgs) ****** KGS
9) Manufacturer's Name DHF
10) Country of Origin MADE IN JAPAN
3. Marking Items (Bottom side) <Example> 1) Project Name GARRAF WATER INJECTION
2) Unique Bend No. XXXXX
3) Material Grade API 5L GR.X65, PSL 2, HF-ERW
4) Size 219.1MM x 12.8MM x 6DR x 45DEG.
4. Height of Letter : Minimum 15mm5. Stencil marking and daub mark area will be coated with mill varnish.6. A 50mm wide white daub will be applied on the weld center of inside surface at both ends.
4-17 End Protection 1. Steel bevel protector or end cap shall be installed on all bend ends.
4-18 Packing and Shipping 1. Bends shall be shipped in wooden skid package, unless otherwise agreed.
AB15-033
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12
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Sheet No. MPS No.
5. Mechanical Property Test on MPQT Bend Rev. No.Para. Process Procedure & Tolerance5-1 Test Frequency 1. Basically, minimum one procedure qualification test bend will
be produced in accordance with essential variable and maximum permissible variations required in table 1 of ISO 15590-1.2. Angle of one of these will be 90 degrees with 6DR.
5-2 Tensile Test 1. Test Method : As per API 5L2. Test Specimen : As per API 5L3. Sampling Direction and Location ; 3-1. Bent Portion
1) Outside Radius : Transverse2) Inside Radius : Transverse3) Weld metal : Transverse
3-2. Transition Zones1) Base Metal : Transverse2) Weld metal : Transverse
3-3. Tangent Portion (when heat treated) 1) Base Metal : Transverse2) Weld metal : Transverse
4. Acceptance CriteriaTable-4
5. Number of test : One specimen per sampling location.
6. Elevated-Temperature Tensile Test1) Test Method : ASTM E21 or ISO 7832) Test Specimen : Round bar specimen3) Sampling Direction: Longitudinal4) Sampling Location
1) Bend Portiona) Intrados base metal
5) Test Temperature: +83 deg.C6) YS determination : 0.2% offset7) Acceptance Criteria : Information purpose only8) Number of Test : One specimen per sampling Location
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Yield Ratio Max. 0.90
B15-033
Yield Strength (MPa) 450 - 600
A
Base Metal
N/A
Tensile Strength (MPa) 535 - 760Elongation (%) As per API 5L
N/AMin. 535
N/A
Item
13
Weld Metal
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Sheet No. MPS No.
5. Mechanical Property Test on MPQT Bend (Cont.) Rev. No.Para. Process Procedure & Tolerance5-3 Charpy V-Notch 1. Test Specimen : As per ASTM A370
Impact Test 2. Testing Machine : As per JIS (500 Joules: Equivalent to ISO)3. Sampling Direction : The orientation and size of the test pieces shall be transverse with the greatest possible width between 10 mm and 5 mm. If transverse test pieces with a minimum of 5 mm, are not possible, longitudinal test pieces with the greatest possible width between 10 mm and 5 mm shall be used.4. Sampling Location ; 4-1. Bend Portion
1) Outside Radius2) Inside Radius3) Weld centerline4) Weld centerline +2mm
4-2. Transition Zones1) Base Metal2) Weld centerline3) Weld centerline + 2mm
4-2. Tangent Portion (when heat treated)1) Base metal2) Weld centerline3) Weld centerline +2mm
5. Test Temperature : -10 deg.C
6. Acceptance Criteria for Transverse Test Pieces 1) For Full size specimen Table-5
NOTE) Energy reduction for sub size specimen ; As per API 5L
7. Number of test : One set (3 specimens) per sampling location.
Min.Sampling
10 x 10mm
Location Average(%)
Min.SpecimenSize
14
Absorbed Energy
B15-033
8527 20
Weld & HAZ 10 x 10mm
Average Individual
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Base
(Joules) (Joules)
Shear Area
A
Min.
27 20 N/A
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Sheet No. MPS No.
5. Mechanical Property Test on MPQT Bend (Cont.) Rev. No.Para. Process Procedure & Tolerance5-4 Macro, Micro & 1. Test Specimen : As per ASTM E340
Hardness Test 1) Macro Examination ; a) To be photographed with 1 time magnification. 2) Micro Examination ; a) To be photographed with 100 and 400 times magnification. (2mm from the external and internal surfaces and at a mid-wall) 3) Hardness Testing : Vickers Hardness Testing 2. Sampling Direction : Transverse3. Sampling Location for Macro & Micro Examination 3-1. Bent Portion
1) Weld metal 3-2. Transition Zones Base Metal 3-3. Tangent Portion (when heat treated)
1) Weld metal4. Sampling Location for Hardness Test 4-1. Bent Portion
1) Outside Radius in Bent Portion2) Inside Radius in Bent Portion3) Weld Metal in Bent Portion
4-2. Transition Zones Base Metal 4-3. Tangent Portion (when heat treated)
1) Base Metal in Tangent Portion2) Weld Metal in Tangent Portion
5. Reading Location : As per figure-12 & 136. Vickers Load : 10 Kg (98.07 N)7. Acceptance Criteria : 300 HV10 Maximum
5mm intervalsP : 1.5mm +0.5mm/- 0mm
OutsideP
1/2T
P
Inside: Hardness Indentations
Figure-12 Reading Location for Base metal
AB15-033
15
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Sheet No. MPS No.
5. Mechanical Property Test on MPQT Bend (Cont.) Rev. No.Para. Process Procedure & Tolerance5-4 Macro, Micro &
Hardness Test Weld centerline(Cont.) 20mm
15mm10mm
b a a bP : 1.5mm +0.5mm/- 0mm
Outside
P
1/2T
P
a : 0.75mm from Fusion Line Insideb : 1.0mm intervals
: Hardness Indentations
Figure-13 Reading Location for Weld metal8. Grain-size measurement shall be performed in accordance with ASTM E 112. The minimum average grain-size number shall be 7.
9. Number of test : One specimen per sampling location.
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B15-033A
16
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Sheet No. MPS No.
6. Documentation Rev. No.Para. Process Procedure & Tolerance6-1 Documentation 1. The following documents will be submitted after completion of
production and testing as data book.2. Data book of MPQT and production bends will be submitted separately. 1) Data Book Contents for MPQT Bends
a) Material Mill Certificate (Bend)b) Material Mill Certificate (Mother Pipe)c) Material Traceability Recordd) Record of Receiving Inspection on Mother Pipee) Record of Bending Condition Parametersf) Record of Non-Destructive Testingg) Record of Visual and Dimensional Inspection
(Including wall thickness check)h) Record of Surface Hardness Testingi) Record of Mechanical Property Testj) Macro-graphs and Micro-graphs
2) Data Book Contents for Production Bendsa) Material Mill Certificate (Bend)b) Material Mill Certificate (Mother Pipe)c) Material Traceability Recordd) Record of Receiving Inspection on Mother Pipee) Record of Bending Condition Parametersf) Record of Non-Destructive Testingg) Record of Visual and Dimensional Inspection
(Including wall thickness check)h) Record of Surface Hardness Testing
B15-03317
A
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APPENDIX-1 Sheet No. MPS No.Rev. No.
1. The following sketch shows that angle deviation (△θ1+ △θ2) is same as △θ1' & △θ2' measured on both tangent portions.
Theoretical drawingActual bend
△θ2' (= △θ2) △θ1'
(= △θ1)
90-△θ290-△θ1
△θ1△θ2
X2 X1 Y2 Y1
△θ2 △θ1
2. After bend pipe put on the inspection table, distance of X1 & Y1 (X2 & Y2) are measured with ruler on tangent portion. Angle deviation is calculated with following formula (trigonometrical function).
Δθ1 = TAN-1(Y1/X1) : Angle deviation on Top TangentΔθ2 = TAN-1(Y2/X2) : Angle deviation on Top Tangent
Δθ (Angle Deviation) = Δθ1+Δθ2
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Measuring Method of Bend Angle
18B15-033
A
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APPENDIX-2 Sheet No. MPS No.Rev. No.
Actual Inside Radius Radius Deviation : RTo be measured the differencebetween theoretical drawing andactual bend with ruler
Theoretical Inside Radius
: Theoretical Drawing of Inner radius { = Bend radius -(OD/2) }: Inner radius of actual bend
Bend
Square gauge
Support Stand
R Inspection Table Distance "R" will be measured with ruler.
Theoretical line Actual line
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19B15-033
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Measuring Method of Bend Radius
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APPENDIX-3 Sheet No. MPS No.Rev. No.
1. ScopeThis procedure describes a method of ultrasonic testing for both ends of tangent ends using compression wave.
2. Referred Documents ISO 11496
3. Personnel Qualification Ultrasonic testing personnel shall be qualified equal to or higher than the level II in
accordance with JSNDI (Japanese Society for Non-Destructive Inspection) equivalent to ISO 9712.
4. Equipment KRAUTKRAMER USK7S, USK8S, RYOSHO UI-25, UI-27 or equivalent will be used.
5. Probe1) Frequency : 4 MHz2) Type : Double Crystal3) Mode of Wave : Compression Wave4) Transducer Size : 24mm Dia./2
6. Couplant Glycerin and/or Water
7. Extent of Testing For a distance of 50mm from ends over the fullcircumference of the bend ends.
8. TechniqueStraight Beam, Contact Method Estimated
Figure-1 Bend End9. Scanning
1) Scanning Method : Manual2) Scanning Speed : less than 150mm/second
10. Reference Standard1) Basic Calibration Block Basic calibration block will made from mother pipe for each size. Typical block dimensions are shown in figure-3.2) Basic Calibration Reflector Basic calibration reflector will be made in the basic calibration block. Details of the basic calibration reflector are shown in figure-3.
50mm
B15-033A
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Ultrasonic Testing Procedure (Bend Ends)
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APPENDIX-3 Sheet No. MPS No.Rev. No.
11. Reference SensitivityThe reference sensitivity will be adjusted the echo height from flat bottom hole on 80 - 100% of full screen height.
12. Reference LevelLine of full screen height will be specified as reference level.As per figure-2.
Reference level
80 - 100% 1/4T < h < 1/3T, h=10mm max.
Outside
Th
Inside(mm)
Figure-2 D.A.C Curve 6.0mm +10/-0% Flat bottom hole
Figure-3 Calibration Block
Frequency of Calibration : At least every 4 hours
13. Defects as the subject of evaluationAny discontinuity indication greater than reference level will be evaluated as a lamination.
14. For actual test, sensitivity is increased by 6dB above level established in para. 11. Any defect indication exceeding the DAC Curve is further investigated by reducing sensitivity by 6dB.
15. Acceptance Criteria Laminar imperfections shall not exceed 6.4 mm in the circumferential direction or have an area in excess of 100 mm 2.
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21B15-033
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Ultrasonic Testing Procedure (Bend Ends)
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APPENDIX-4 Sheet No. MPS No.Rev. No.
1. ScopeThis procedure describes a method of magnetic particle testing on the bend surfaceand bevelled face of bend.
2. Referred Documents ISO 13665
3. Personnel Qualification Magnetic particle testing personnel shall be qualified equal to or higher than the level II in
accordance with JSNDI (Japanese Society for Non-Destructive Inspection) equivalent to ISO 9712.
4. Magnetizing Equipment Table-1Kind HANDY MAGNA HANDY MAGNA
A-1 A-2Type Portable Type
Magnetizing Alternating currentCurrentMagnetizing 2300 - 2700 A.T. 2100 - 2300 A.T.ForceLifting More than 4.5 Kg (10 lb)PowerPole 140mm 110mmSpacing (5.5 inch) (4.3 inch)
5. Magnetic Particle Table-2Kind SY-7500 MS-30Type Fluorescent Wet and Visible
SprayParticle 2 - 5 5 - 30Size μm μm
Color Greenish Grayyellow
Application Machined surface As bend surface(Standard) Bend Ends
6. Ultraviolet Lamp (Black light)BLACK LIGHT S-100, ULTRA LIGHT S-35, SUPER LIGHT D-10 or equivalent will be used.
Table-3Item BLACK LIGHT S-100 ULTRA LIGHT S-35 SUPER LIGHT D-10Intensity 100W, More than 1000μW/cm2 at examined area.
Wave length 800 - 2800 Angstrom 800 - 8000 Angstrom 800 - 7800 AngstromMaker Name EISHIN KAGAKU CO., LTD. MARKTEC
22B15-033
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Magnetic Particle Testing Procedure
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APPENDIX-4 Sheet No. MPS No.Rev. No.
7. Bath StrengthTable-4
Magnetic Particle Bath strength MediumSY-7500 1.5 - 3.5 g/L Ready mixed liquidMS-30 5 - 20 g/L Water
8. TechniqueDirect contact yoke and wet - continuous method shall be used.
9. Direction of Magnetization Two separate examination shall be carried out on each area.The line of magnetic flux shall be parallel and perpendicular to the rolling direction.
10. Magnetizing TimeThe magnetizing time shall be longer than 3 seconds.
11. Testing Coverage The testing shall be conducted with 10% overlap of the effective magnetic flux to assure 100% coverage at the established test sensitivity.
12. Standard Test Piece JIS (Japanese Industrial Standard) Z 2320-1 (2007) A2 30/100 standard test piece will be used.Frequency of Calibration : At least every 4 hours
620 A2
30/100Unit : mm
JIS Z 2320-1 (2007) A2 30/100 Standard Test Piece
Figure-1
23
Magnetic Particle Testing Procedure
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AB15-033
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APPENDIX-4 Sheet No. MPS No.Rev. No.
13. Surface Preparation Prior to magnetic particle testing, the surface to be tested shall be dry and free from any dirt, grease, lint, welding flux, spatter, oil or other extraneous matter that interfere withthe testing.
14. Extent of Testing1) Over an arc of 90deg. both sides from the extrados on external surface of bend portion and ground repaired portion2) On the bevelled faces of bend
15. Acceptance Criteria 1) Bend Surface : All laps, laminations, and all rounded indications
greater than 3 mm in any direction will be considered as defects. The defects will be repaired by grinding and if the measured wall thickness less than the specified wall thickness the bend shall be rejected. Presence of cracks shall be a cause of rejection.
2) Beveled Face : Laminar imperfections equal to or greater than 6 mm in the circumferential direction are not permitted. (As per ISO 13664, Para. 5) Re-beveling will be carried out to remove the un-acceptable defects.
Figure-2
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B15-03324
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Magnetic Particle Testing Procedure
Extrados in bent section
90°
90°
Neutral Axis
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APPENDIX-5 Sheet No. MPS No.Rev. No.
1. ScopeThis procedure describes a method of ultrasonic testing on the longitudinal weld seam.
2. Referred Documents API 5L Annex K
3. Personnel Qualification Ultrasonic testing personnel shall be qualified equal to or higher than the level II in
accordance with JSNDI (Japanese Society for Non-Destructive Inspection) equivalent to ISO 9712.
4. Equipment KRAUTKRAMER USK7S, USK8S, RYOSHO UI-25, UI-27 or equivalent will be used.
5. Probe1) Frequency : 5 MHz2) Nominal Angle of Reflection : 45 degrees3) Mode of Wave : Shear Wave4) Transducer Size : 10 x 10 mm
6. Couplant Glycerin and/or water
7. Extent of Testing The complete weld seam in the arc and transition zones
8. TechniqueAngle Beam, Contact Method
9. Scanning1) Scanning Method : Manual2) Scanning Speed : less than 150mm/second
10. Reference Standard1) Basic Calibration Block Basic calibration block will be made from mother pipe for bend.2) Typical block dimensions are shown in figure-1.
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Ultrasonic Testing Procedure (Longitudinal Weld Seam)
B15-033
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APPENDIX-5 Sheet No. MPS No.Rev. No.
Max. 1.5 mm T
W
W : Approx. 4"d T : Wall Thickness
d : 5% of T +/- 15%(N5 notches)
Figure-1 Typical Block Reflector for ERW
11. Calibration 1) CalibrationThe examination sensitivity will be established the echo height on a 80 - 100% offull screen height amplitude from N5 notch at 0.5 skip.Then the peak echo height will be marked on C.R.T.Without changing the gain, it will be done the same way at 1.0 skip.The peak echo at 1.0 skip will be also marked on C.R.T.The reference level line will be draw as shown in figure-3.Frequency of Calibration : At least every 4 hours
Reference level
0.5S 1.0S
Figure-2 Calibration Method 0.5S 1.0SFigure-3 D.A.C Curve
2) Reference SensitivityThe testing sensitivity will be established on 80% - 100% of full screen height amplitudefrom N5 notch producing the largest response.The gain will be applied the reference sensitivity.
12. Acceptance CriteriaThe acceptance limit signal shall be primary reference sensitivity level.
T
AB15-033
80 - 100%
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Ultrasonic Testing Procedure (Longitudinal Weld Seam)
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APPENDIX-6 Sheet No. MPS No.Rev. No.
1. ScopeThis procedure describes a method of ultrasonic testing on the bend body.
2. Referred Documents ISO 9305
3. Personnel Qualification Ultrasonic testing personnel shall be qualified equal to or higher than the level II in
accordance with JSNDI (Japanese Society for Non-Destructive Inspection) equivalent to ISO 9712.
4. Equipment KRAUTKRAMER USK7S, USK8S , RYOSHO UI-25, UI-27 or equivalent will be used.
5. Probe1) Frequency : 5 MHz2) Nominal Angle of Reflection : 45 degrees3) Mode of Wave : Shear Wave4) Transducer Size : 10 x 10 mm
6. Couplant Glycerine and/or Water
7. Extent of Testing On the bend extrados from top neutral to bottom neutral including weld seam
8. TechniqueAngle Beam, Contact Method
9. Scanning1) Scanning Method : Manual2) Scanning Speed : less than 150mm/second
10. Reference Standard1) Basic Calibration Block Basic calibration block will have the same diameter, thickness, heat treatment and material. Typical block dimensions are shown in figure-1.2) Basic Calibration Reflector Basic calibration reflector will be made in the basic calibration block. Details of the basic calibration reflector are shown in figure-1.
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27B15-033
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Ultrasonic Testing Procedure (Bend Body for Transverse Defects)
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APPENDIX-6 Sheet No. MPS No.Rev. No.
h
h
b : Maximum 1.5mm bh : 5% of specified WT (but 0.3mm - 1.5mm) h
ISO 9305, Level 2 / Arc notch Detail A
Figure-1 Typical Block Reflector11. Calibration
1) CalibrationThe examination sensitivity will be established the echo height on a 80 - 100%of full screen height amplitude from notch at 0.5 skip.Then the peak echo height will be marked on C.R.T.Without changing the gain, it will be done the same way at 1.0 skip.The peak echo at 1.0 skip will be also marked on C.R.T.The reference level line will be draw as shown in figure-3.Frequency of Calibration : At least every 4 hours
Reference level80 - 100%
0.5S 1.0S
Figure-2 Calibration Method 0.5S 1.0SFigure-3 D.A.C Curve
2) Reference SensitivityThe testing sensitivity will be established on 80% - 100% of full screen height amplitudefrom inside notch producing the largest response, then draw a line of DAC curve.
12. For actual test, sensitivity is increased by 6dB above level established in above para. 11. Any defect indication exceeding the DAC Curve is further investigated by reducing sensitivity by 6dB.
13. Acceptance CriteriaThe acceptance limit signal shall be the primary reference sensitivity level.Any reading beyond primary shall be a cause of rejection.(As per L2 of ISO 9305.)
Ultrasonic Testing Procedure (Bend Body for Transverse Defects)
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28B15-033
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