AWS D1.1 Prequalified Welding Procedures
Prequalified WPSs for GMAW, MCAW, SMAW, FCAW & FCAW-S
Prequalified welding procedures must adhere to the strict requiremnts of the welding codes which permit their use. AWS D1.1 Structural Welding Code (Steel) is one that allows their use. Prequalified WPSs are exempt from testing becasue there is reasonable assurance that as long as all the requirements are met the deposited weld will be sound […]