EN ISO 6520-1:2007 Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1: Fusion welding (ISO 6520-1:2007)
This part of ISO 6520 serves as the basis for a precise classification and description of weld imperfections.In order to avoid any confusion,the types of imperfection are defined with explanations and illustrations where necessary.Metallurgical imperfections are not included.Another system for the esignation of imperfections is possible, according to ISO/TS 17845. Annex B gives the correspondence between the existing classification of imperfections according to ISO 6520-1 and the designation system according to ISO/TS 17845.
EN ISO 6520-1:2007 history
2007EN ISO 6520-1:2007 Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1: Fusion welding (ISO 6520-1:2007)
1998EN ISO 6520-1:1998 Welding and Allied Processess - Classification of Geometric Imperfections in Metallic Materials - Part 1: Fusion Welding ISO 6520-1:1998; Supersedes EN 26520:1991