New NCPWB Technical Bulletin Explores Welding Backings

April 15, 2025

The National Certified Pipe Welding Bureau (NCPWB) has released a new Technical Bulletin explaining the term “backing” that appears in Welding Procedure Specifications (WPSs) or welder qualification records. The bulletin explores what welding backings are, when they must be used and when they are optional.

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