AWS B2.1-8-212:2001R:2012
شناسه : AWS B2.1-8-212:2001R:2012
عنوان : STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR; GAS TUNGSTEN ARC WELDING OF AUSTENITIC STAINLESS STEEL, (M-8/P-8/S-8, GROUP 1), 1/16 THROUGH 1-1/2 INCH THICK, ER3XX, AS-WELDED CONDITION
لینک : http://pubs.aws.org/p/1075/b21-8-2122001r2012-standard-welding