The National Certified Pipe Welding Bureau (NCPWB) has released a new Technical Bulletin that explains how the NCPWB Welding Procedure Specifications (WPSs) differ from the American Welding Society (AWS) Standard Welding Procedures in both application and adoption.
New NCPWB Technical Bulletin Explains the Difference Between NCPWB WPSs and AWS Standard Welding Procedures
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