A Clear Workflow for Liquid Penetrant Examination in Heat Exchanger Headers
https://immersion-testing-methods.ironwoodscope.com/posts/key-steps-for-weld-joint-access-in-pressure-vessel-fabrication
A Clear Workflow for Liquid Penetrant Examination in Heat Exchanger Headers Headers join tubes, nozzles, and thick plates with varied weld shapes. Penetrant testing can reveal open-to-surface flaws in suitable nonporous materials