Bs En 970 Visual Inspectionpdf Best -

"BS EN 970" visual inspection training notes filetype:pdf or "ISO 17637" comparison to EN 970 filetype:pdf

is an older British Standard for the non-destructive visual examination of fusion welds in metallic materials. While widely recognized in the industry, it has been withdrawn and officially superseded by BS EN ISO 17637 . bs en 970 visual inspectionpdf best

BSI Standards Publication. BS EN ISO 17637:2011. Non-destructive testing of. welds — Visual testing of. fusion-welded joints (ISO. irp.cdn-website.com ISO 17637:2016 - Visual testing of fusion-welded joints "BS EN 970" visual inspection training notes filetype:pdf

BS EN 970 mandates that visual inspection is not a one-time event but a process that occurs in three distinct stages. BS EN ISO 17637:2011

| Stage | Feature to Inspect | BS EN 970 Clause | Accept (Y/N) | | :--- | :--- | :--- | :--- | | | Parent metal laminations | 5.2 | ☐ | | Pre-weld | Fit-up gap (mm) | 5.3 | ☐ | | In-process | Interpass cleaning | 6.2 | ☐ | | Post-weld | Surface cracks (VT) | 8.1 | ☐ | | Post-weld | Undercut depth (max 0.5mm) | Table 1 | ☐ | | Post-weld | Crater pipe | 8.4 | ☐ |