AWS B2.1-1-207:2019

Standard Welding Procedure Sspecification (WPS) for; Gas Tungsten Arc Welding of Carbon Steel (M-1/P-1/S-1, group 1 or 2), 1/8 through 1-1/2" think, ER70S-2, as-Welded or PWHT Ccondition (primarily pipe applications)
standard by American Welding Society, 03/01/2019

AWS B2.1-1-016:1994

Standard Welding Procedure Specification for Shielded Metal Arc Welding of Carbon Steel (M-1/P-1/S-1, Group 1 or 2), 1/8 through 1-1/2 inch Thick, E7018, As Welded or PWHT Condition
standard by American Welding Society, 01/01/1994

AWS B2.1-8-009:2002 (R2013)

Standard Welding Procedure Specification (Swps) for Gas Tungsten Arc Welding 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