How to Document Lack of Fusion Assessment for Heat Exchanger Headers
https://weld-integrity-reports.tearosediner.net/probe-travel-paths-for-machined-valve-bodies-errors-to-avoid
How to Document Lack of Fusion Assessment for Heat Exchanger Headers Headers join tubes, nozzles, and thick plates with varied weld shapes. Lack of fusion is a planar flaw that may form at a weld sidewall or between passes