AWS B2.1-1-012:2002 (R2013)

Standard Welding Procedure Specification (Swps) for Shielded Metal Arc Welding of Carbon Steel (M-1, P-1, or S-1 to M-1, P-1, or S-1), 10 through 18 Gauge, in the As-Welded Condition, with or without Backing
standard by American Welding Society, 01/01/2002

AWS B2.1-1-017:2018

Standard Welding Procedure Specification (SWPS) for Shielded Metal Arc Welding of Carbon Steel (M-1/P-1, Group 1 or 2), 1/8 inch [3 mm] through 1-1/2 inch [38 mm] Thick, E6010, As-Welded or PWHT Condition, Primarily Plate and Structural Applications
standard by American Welding Society, 04/10/2018