This International Standard covers the visual testing of fusion welds in metallic materials. It may also beapplied to visual testing of the joint prior to welding.
EN ISO 17637:2011 history
2016EN ISO 17637:2016 Non-destructive testing of welds - Visual testing of fusion-welded joints
2011EN ISO 17637:2011 Non-destructive testing of welds - Visual testing of fusion-welded joints