Practical Limits of Surface Crack Screening for Heat Exchanger Headers

https://weld-quality-research.huicopper.com/probe-travel-paths-for-test-coupons-an-immersion-ut-guide

Practical Limits of Surface Crack Screening for Heat Exchanger Headers Headers join tubes, nozzles, and thick plates with varied weld shapes. Cracks that reach a surface can pose a different risk from simple bead marks