Common Mistakes in Butt Joint Examination for Heat Exchanger Headers
https://ultrasonic-tank-methods.lumenforgex.com/posts/why-probe-frequency-choice-matters-when-scanning-automotive-components
Common Mistakes in Butt Joint Examination for Heat Exchanger Headers Headers join tubes, nozzles, and thick plates with varied weld shapes. Butt welds join parts edge to edge and often need review through the joint thickness