B2.1-8-215:2023 STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING WITH CONSUMABLE INSERT ROOT OF AUSTENITIC STAINLESS STEEL, 1/8IN THROUGH 1-1/2 IN THICK, IN3XX AND ER3XX, AS-WELDED CONDITION, PRIMARILY PIPE APPLICATIONS
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This standard contains the essential welding variables for austenitic stainless steel in the thickness range of 1/8 in [3 mm] through 1-1/2 in [38 mm], using manual gas tungsten arc welding with consumable insert root.
It cites the base metals and operating conditions necessary to make the weldment, the filler metal specifications, and the allowable joint designs for groove welds.
This SWPS was developed primarily for pipe applications.