2022BS EN ISO 17639:2022 Destructive tests on welds in metallic materials. Macroscopic and microscopic examination of welds
2013BS EN ISO 17639:2013 Destructive tests on welds in metallic materials. Macroscopic and microscopic examination of welds
1997BS EN 1321:1997 Destructive test on welds in metallic materials - Macroscopic and microscopic examination of welds
BS EN ISO 17639:2013 Destructive tests on welds in metallic materials. Macroscopic and microscopic examination of welds has been changed from BS EN 1321:1997 Destructive test on welds in metallic materials - Macroscopic and microscopic examination of welds.