AWS D1.1/D1.1M:2006

The world’s best reference for structural steel welding. Material includes both U.S. and metric measurements; allowable stress range formulae, tough-weathering steel additions to the pre-qualified steel lists, revised tolerances for PJP and CJP groove welds, and more. This code covers the welding requirements for any type of welded structure made from the commonly used carbon and low-alloy constructional steels.