AWS B2.1-1-016 : 2018 Title: STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) 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, in the As-Welded or PWHT Condition, Primarily Plate and Structural Applications Year: 2018 Publisher: American Welding Society Availability: Within 1-2 working days