American Welding Society Forum
First things first. Thanks to all for the help you have rendered to this new CWI as he tries to sort out all the "if's, and's, and/or but's" of the real world of weld inspection. This question relates to UT weld inspection, specifically laminations. I know it is a phenomenon related to plate. But what about other product forms such as pipe, I-beams, bar etc...?
Most pipes and I-Beams are made from plate so yes you could have laminaitons. As for the bars, I don't think so.
The pipe, if it is rolled, and plate should be checked for Laminaitons with UT prior to any angle beam UT.
It also depends on your specification. I have seen some specs that require lam checks on just about everything. Why? I don't know.
It depends on how severe a service the pipe will be submitted to (or at least, and keep it under your hat, how severe the spec writer thinks the service is).
Giovanni S. Crisi
São Paulo - Brazil
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