DS DS/EN 26520
DS DSEN 26520 1994-JUN-24 Classfcaton of mperfectons n metallc fuson welds wth explanatons
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In this standard, imperfections in welds are classified into the following six groups. 1 - Cracks 2 - Cavities 3 - Solid inclusions 4 - Lack of fusion and penetration 5 - Imperfect shape 6 - Miscellaneous imperfections not included in the groups above.