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AWS D1.1 Prequalified Welding Procedure Specifications

AWS D1.1 Prequalified Welding Procedure Specifications (PWPS)

Pre-written welding procedures in accordance with clause 3 of AWS D1.1.    These welding procedures are available for most common structural welding applications. SMAW, FCAW, and GMAW (Spray-transfer) welding processes are prequalified on most common structural steel materials, including ASTM A36, ASTM A992, A572 Grade 50 and many more.