Surface Crack Screening in Hoist Frame Fabrication- A Practical Guide
https://ultrasonic-testing-compass.hexaforgey.com/posts/water-coupling-control-for-machined-valve-bodies-steps-for-a-sound-scan
Surface Crack Screening in Hoist Frame Fabrication: A Practical Guide Hoist frames carry repeated lifting loads through plates and attachments. Cracks that reach a surface can pose a different risk from simple bead marks