AWS B2.1-1-011 : 2002 Title: AMD1(R2013) STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR SHIELDED METAL ARC WELDING OF GALVANIZED STEEL, (M-1), 10 THROUGH 18 GAUGE, IN THE AS-WELDED CONDITION, WITH OR WITHOUT BACKING Year: 2002 Publisher: American Welding Society Availability: Within 1-2 working days