AWS D1.1/D1.1M:2025, Structural Welding Code—Steel

AWS D1.1/D1.1M:2025, Structural Welding Code—Steel, establishes requirements for the design, fabrication, qualification, inspection, and repair of welded steel structures. This 25th edition revises AWS D1.1/D1.1M:2020 and includes provisions for welded connections, prequalified welding procedure specifications, welder and welding operator qualification, fabrication, inspection, stud welding, tubular structures, nondestructive testing, and structural welding responsibilities. The code includes normative and informative annexes as well as a commentary.

Application Scope: Structural steel design, welding engineering, fabrication, inspection, quality assurance, construction, transportation infrastructure, and code compliance.