wps - 012 rev. 01
DESCRIPTION
wTRANSCRIPT
MadinaCompany Name : Madina Group W.L.L. Identification : 012 Revision : 01
Welding Process(es) : GTAW Date : 13.06.2002 By : V. Pandu
Supporting PQR No(s) : 012 Rev. 0 Authorised By: S. Thirumaran Date : 13.06.2002
Type - Manual x Semi-Automatic
JOINT DESIGN USED Machine Automatic
Type : Butt PREHEAT (QW 406)
Single x Double Weld Preheat Temp. Min. : 16°C
Backing : Yes No x Interpass Temp. Max. : 175°C
Backing Material : None Preheat maintenance : N/A
Root Opening : 3 - 4mm Root Face Dimension : 1.5mm POST WELD HEAT TREATMENT ( QW -407)
Groove Angle : 60 - 70° Radius (J - U) : N/A Soaking Temp. : N/A
Back Gouging : Yes No x Method : N/A Time : N/A
BASE METALS (QW403) Heating Rate : N/A
P. No. 1 Group 1/2 To P No. 1 Group 1/2 Cooling Rate : N/A
Material Spec : Any Material From P1 Grp 1/2 to P1 Grp 1/2 GASES (QW -408)
Thickness : Groove MITS 12 Gas(es) Mixture Flow Rate Remarks
2.25 mm to 7mm (Sour Service) Shielding Argon 99.99% 10-11 L/M
2.25mm to 11mm (Non Sour Service) Trailing -- -- --
Thickness : Groove: (ASME IX): 1.60 to 11.08mm Backing -- -- --
Diameter Pipe : All Max. C.E% : 0.43 Max. Fillet : All ELECTRICAL CHARACTERISTIC (QW 409)
FILLER METALS (QW 404) GTAW SMAW Transfer Mode (GTAW) : N/A
Spec No. (SFA) 5.18 - Short Circuiting Globular Spray
AWS No. (Class) ER70S-3 - Current : GTAW : DCEN
F.No. F6 -
A.No. 1 - Other
Size of Filler Metals - Tungsten Electrode (GTAW)
Impact Test -29°C Size : 2.00 mm
Weld Metal Thk. Range Type : 2% Thoriated
Groove (Max.) 11.08mm -
Fillet All - TECHNIQUE (QW - 410)
Electrode Flux N/A - Stringer or Weave Bead:
Flux Trade Name N/A - Multi - Pass or Single Pass (per side) : Multipass
Consumable Insert N/A - Number of Electrodes : Single
Contact tube to work distance : N/A
POSITION (405) Peening : None
Position of Groove : All Fillet : All Interpass Cleaning : Grinding / Chipping
Vertical Progression : Up x Down Other : No Single Pass Thk. More than 12.7mm
WELDING PROCEDURE
Pass or
Process
Filler Metals Current
Volts
Travel Heat
Joint Details
Weld
Class Diam.
Type & Amps Speed Input (Max.)
Layer (s) Polarity mm/Min. Kj/mm
Root GTAW ER70S-3 2.4 DCEN 75 - 100 10 - 14 90 - 100 0.93
Hot Pass GTAW ER70S-3 2.4 DCEN 52 - 70 12 - 16 60 - 90 0.90
Fill & Cap GTAW ER70S-3 2.4 DCEN 78 - 106 11 - 15 55 - 103 1.75
Madina Mechanical Third Party Client
Name : V. Pandu Name : Name :
Sign : Sign : Sign :
Date : Date : Date :
FORM NO.: MSF/29/WPS REV. (C )
WELDING PROCEDURE SPECIFICATION (WPS) (As per QW 200.1 of Section IX, ASME Boiler and Pressure Vessel Code , MITS 12)
F 2.4mm
Max. weave 3 x Core f of Electrode
