Tanks Welding Procedures

A Welding Procedure Specification (WPS) is the formal written document describing welding procedures, which provides direction to the welder or welding operators for making sound and quality production welds as per the code requirements .

Through our website / in-field consultations, We Provide a wide range of welding procedure specification which is conducted on Oil & Gas field Tanks, This Welding Procedure Specification had been done by multinational companies according to ASME IX, API 650 & API 653.

The scope of our WPS is to check the quality of the welded joints, guide welders to the accepted procedures so that repeatable and trusted welding techniques are used.

No. PQR No. Standard Base Metal P no. G no. Process Thickness Position  Filler metal Joint Type Heat Treatment 3rd Party
1 AAIS-WPS-T-1 ASME IX BS EN10025 S355 K2 or Eguivalent P 1 Gr 2 to P 1 Gr 2 SMAW Up to 40mm 3G E 7018 Double V N/A DNV.GL
2 AAIS-WPS-T-2 ASME IX BS EN10025 S355 K2 or Eguivalent P 1 Gr 2 to P 1 Gr 2 SMAW Up to 40mm 2G E 7018 Double Bevel N/A DNV.GL
3 AAIS-WPS-T-3 ASME IX S355JR / 182520-2 or Equivalent P 1 Gr 1 to P 1 Gr 1 GTAW + SMAW Up to 30mm 3G ER 70S-6 + E7018-1 Single V N/A DNV.GL
4 AAIS-WPS-T-4 ASME IX SA-516(70),UNS K02700 or Equivalent P 1 Gr 2 to P 1 Gr 2 GTAW + SMAW Up to 40mm 1G ER 70S-6 + E7018-1 Single V Y DNV.GL
5 AAIS-WPS-T-5 ASME IX, API 653 & 650 A 283 Gr c, A516 Gr 60,65 & 70 to JIS G3106 SM 520C(SM 53C MOD) P 1 Gr 2 to P 1 Gr 2 SMAW 5mm to 25.4mm 3G E 7018 Single V N/A DNV
6 AAIS-WPS-T-6 ASME IX, API 653 & 650 A 516 Gr 60,65 & 70 P 1 Gr 2 to P 1 Gr 2 SMAW 12.7mm to 25.4mm 3G E 7018 Single V Yes DNV
7 AAIS-WPS-T-7 ASME IX S275 JR / BS 4360 Gr 43C or Equivalent N/A SMAW 4.8mm to 25mm All E 7018 As attached N/A  
8 AAIS-WPS-T-8 ASME IX S275 JR / BS 4360 Gr 43C or Equivalent N/A SMAW 4.8mm to 25mm All E 7018 As attached N/A