What Inspectors Should Know About Scan Repeatability Trials for Large-Diameter Flanges
https://advanced-weld-inspection.hexaforgey.com/posts/weld-traceability-in-pipeline-girth-welds-a-step-by-step-guide
What Inspectors Should Know About Scan Repeatability Trials for Large-Diameter Flanges Large flanges have flat faces, bores, and thick rim sections. A repeat run can show whether the system maps a known area in a stable way