AWS B2.1-1-209:2019

Standard WPS for Gas Tungsten Followed by Shielded Metal Arc Welding of Carbon Steel (M-1/P-1/S-1, Group 1 or 2), 1/8 through 1 1/2" Thick, ER70S-2 and E7018, As-Welded or PWHT Condition, Primarily Pipe Applications
standard by American Welding Society, 03/01/2019

AWS B2.1-1-003:2002 (R2013)

Standard Welding Procedure Specification (Swps) for Gas Metal Arc Welding (Short Circuiting Transfer Mode) of Galvanized Steel (M-1), 18 through 10 Gauge, in the As-Welded Condition, with or without Backing
standard by American Welding Society, 01/01/2002