AWS B2.1-8-215 : 2001 Title: STANDARD WELDING PROCEDURE SPECIFICATION(WPS) FOR; GAS TUNGSTEN ARC WELDING WITH CONSUMABLE INSERT OF AUSTENITIC STAINLESS STEEL (M-8/P-8/S-8, GROUP 1), 1/8 THROUGH 1-1/2 INCH THICK, IN3XX AND ER3XX, AS-WELDED CONDITION(PRIMARILY PIPE Year: 2001 Publisher: American Welding Society Availability: Within 1-2 working days