AWS B2.1-8-216:2001 (R2012)

Gas Tungsten Arc Welding With Consumable Insert Root Followed by Shieded Metal Arc Welding 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 Applications
standard by American Welding Society, 10/31/2001

AWS B2.1-8-005:2002 (R2013)

Standard Welding Procedure Specification (Swps) for Gas Metal Arc Welding (Short Circuiting Transfer Mode) of Austenitic Stainless Steel (M-8, P-8, or S-8), 18 through 10 Gauge, in the As-Welded Condition, with or without Backing
standard by American Welding Society, 01/01/2002