This International Standard covers the visual testing of fusion welds in metallic materials. It may also be
applied to visual testing of the joint prior to welding.
BS EN ISO 17637:2011 history
2016BS EN ISO 17637:2016 Non-destructive testing of welds. Visual testing of fusion-welded joints
2011BS EN ISO 17637:2011 Non-destructive testing of welds. Visual testing of fusion-welded joints
1997BS EN 970:1997 Non-destructive examination of fusion welds - Visual examination
BS EN ISO 17637:2011 Non-destructive testing of welds. Visual testing of fusion-welded joints has been changed from BS EN 970:1997 Non-destructive examination of fusion welds - Visual examination.