WELDING PROCEDURE
SPECIFICATION
Ref: ASME Sec. IX, ASME Code
Project: 18" Valve installation mainline Date: 16.04.2019
Client: M/s. Hindustan Petroleum Corporation Ltd. WPS No. : NOCPL/VVSPL/WPS-02
Contractor: M/s. Narmada Offshore Constructions Pvt. Ltd. WO No. : 18000205-OQ-11986/DAB
PQR No.: NOCPL/VVSPL/PQR-02
Joints (QW-402) 37½°±2½°
Joint Design: Single Butt Weld
Backing: No
Backing Material (Type): NA 1.5mm 2.5 to 3.0mm
Base Metal (QW-403)
P.No. 1 Group No. 1 To P.No. 1 Group No. 1
Specification Type and Grade: API 5L Gr. X-42,ASTM A106 Gr. B, MSS-SP-44 Gr. F-42, ASTM A105, MSS-SP-75 Gr.
WPHY-42, ASTM A234 Gr. WPB, ASTM A216 , MSS-SP-97
To
Specification Type and Grade: API 5L Gr. X-42,ASTM A106 Gr. B, MSS-SP-44 Gr. F-42, ASTM A105, MSS-SP-75 Gr.
WPHY-42, ASTM A234 Gr. WPB, ASTM A216 , MSS-SP-97
Thcikness Range:
Grove: 4.5mm to 19.06mm Fillet: All
Pipe Dia. Range:
Grove: All Fillet: All
Filler Metals: GTAW SMAW
F.No. 6 4 Other: ____________________________
A.No. 1 1 Other: ____________________________
Spec. No. (SFA) 5.18 5.1
AWS No. (Class) ER-70-S2 E7018
Size of Filler Metals 2.5mm 2.5mm/3.15mm
Deposited Weld Metal 6mm 13.06mm
Electrode Flux Class N/A N/A
Flux Trade Name N/A N/A
Consumable insert N/A N/A
FOR NOCPL FOR TPIA FOR HPCL
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WELDING PROCEDURE
SPECIFICATION
Ref: ASME Sec. IX, ASME Code
Project: 18" Valve installation mainline Date: 16.04.2019
Client: M/s. Hindustan Petroleum Corporation Ltd. WPS No. : NOCPL/VVSPL/WPS-02
Contractor: M/s. Narmada Offshore Constructions Pvt. Ltd. WO No. : 18000205-OQ-11986/DAB
PQR No.: NOCPL/VVSPL/PQR-02
Positions (QW-405) Post Heat Treatment (QW-407)
Position(s) of Groove: All(6G) Temperature Range: N/A
Welding Progression : Uphill Time Range: N/A
Position(s) of Fillet: All
Pre-Heat (QW-406) Gas (QW-408)
Pre-Heat Temperature (Min.): 10° C Shielding Gas (es) : Argon
Inter-Pass Tempearture (Max.): 250° C Precentage Composition (Mixtures): 99.99
Pre-Heat Maintenance (Min.): N/A Flow Rate : 6-10 LPM
Gas Backing: N/A
Trailing Shielding Gas Composition: N/A
Electrical Characteristics (QW-409):
Current (AC/DC): DC Polarity: DCEN(GTAW)/DCEP(SMAW)
Amps (Range) : 100-145 (GTAW)/80-125 (SMAW) Voltage(Range): 15-25 (GTAW)/ 20-30 (SMAW)
Tungsten Electrode Size and Type: EWHT2 & 2.5mm
Mode of Metal Tranfer for Metal: N/A
Electrode Wire Feed Speed Range: 60-80mm per Min. (GTAW)/ 75-125mm per Min. (SMAW)
Technique (QW-410)
String or Weave Bead: Stringer/Weave
Orfice or Gas Cup Size: 8mm (Min.) to 19mm(Max.)
Initial and Interpass Cleaning (Brushing,Grinding Etc.): Grinding/Brushing as required
Method of Backgouging: N/A
Oscillation: N/A
Contact Tube to Work Distance: N/A
Multiple or Single Pass: Multiple Pass
Multiple or Single Electrode: Single Electrode
Travel Speed(Range): 80-120mm per Min.
Peening: N/A
Others: N/A
Filler Metal Current
Voltage Travel
Weld Layer Process Remarks
Amps. Range Speed/Min.
AWS Class Dia. (in mm) Polarity Range
Root Pass GTAW ER-70S-2 2.5 DCEN 100-115 15-22 60-75
Hot Pass GTAW ER-70S-2 2.5 DCEN 110-130 25-35 62-75
Filler-1 SMAW E7018 3.15 DCEP 80-110 22-28 75-105
Filler-2 SMAW E7018 3.15 DCEP 90-110 22-28 80-110
Capping SMAW E7018 3.15 DCEP 100-120 22-30 85-120
FOR NOCPL FOR TPIA FOR HPCL
SIGN: SIGN: SIGN:
NAME: NAME: NAME:
DATE: DATE: DATE:
PROCEDURE QUALIFICATION RECORD
Ref: ASME Sec. IX, ASME Code
Project: 18" Valve installation mainline Date: 16.04.2019
Client: M/s. Hindustan Petroleum Corporation Ltd. WPS No. : NOCPL/VVSPL/WPS-02
Contractor: M/s. Narmada Offshore Constructions Pvt. Ltd. WO No. : 18000205-OQ-11986/DA
PQR No.: NOCPL/VVSPL/PQR-02
Welding Process: GTAW+SMAW
Joints (QW-402) 37½°±2½°
Joint Design: Single Butt Weld
Backing: No
Backing Material (Type): NA 2 mm 2.5 to 3.2mm
Base metal (QW-403)
Material Spec. : API 5L
Type or Grade : Gr. X-42 PSL-1
P.No. : 1 to P.No. : 1
Thickness : 6.4mm
Diameter : 2" (INCH)
Other :
Filler Metals (QW-404) GTAW SMAW
Weld Metal Analysis A.No. 1 1
Size of Electrode 2.5mm 3.15mm
Filler Metal F.No. 6 4
SFA Specification 5.18 5.1
AWS Classification ER-70S-2 E7018
Other
Position (QW-405)
Position of Groove : 6G
Weld Progression : Uphill
Other :
Preheat (QW-406)
Preheat Temp. : Ambient
Interpass Temp. : 250°C
Other :
Postweld Heat Treatment (QW-407)
Temperature : NA
Time : NA
Other : NA
Gas (QW-408)
Type of Gas or Gases: : ARGON
Composition of Gas Mixture : 99.99
Other : NA
Electriacal Characteristics (QW-409)
Current : DC
Polarity : DCEN(GTAW)/DCEP(SMAW)
Amps. : 80-130
Volts : 15-35
Technique (QW-410)
Travel Speed : 60-120mm/min.
String or Weave Bead : String for Root & Weave Bead for other Passes.
Oscillation : 2.5times of Electrode core dia.
Multipass or Single Pass : Multipass
PROCEDURE QUALIFICATION RECORD
Ref: ASME Sec. IX, ASME Code
Project: 18" Valve installation mainline Date: 16.04.2019
Client: M/s. Hindustan Petroleum Corporation Ltd. WPS No. : NOCPL/VVSPL/WPS-02
Contractor: M/s. Narmada Offshore Constructions Pvt. Ltd. WO No. : 18000205-OQ-11986/DA
PQR No.: NOCPL/VVSPL/PQR-02
Welding Process: GTAW+SMAW
Single or Multiple Electrodes : Multiple
Other :
Tensile Test (QW-150)
Specimen no. Width(mm) Thick.(mm) Area(mm²) U.T.S.(N/mm²) Character of Failure Observation
T-1
T-2
Specified UTS : 414.0 N/mm²
Guided Bend Tests (QW-160)
Specimen no. Thickness (in mm) Width (in mm) Diameter (in mm) Observation
Side Bend 1
Side Bend 2
Side Bend 3
Side Bend 4
Impact Test (QW-170)
Specimen no. Notch Location Specimen Size Test Temperature Impact Value Average Observation
1
2 Weld
3
1
2 HAZ
3
1
2 Parent Metal
3
Min. Req. Value :
Fillet Weld Test (QW-180) : NA
Macro Test : Satisfactory
Hardness Test (HV-10)
Location Vlaues of HV-10
PM
HAZ
WELD
FOR NOCPL FOR TPIA FOR HPCL
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NAME: NAME: NAME:
DATE: DATE: DATE:
