Gives advice on three levels of imperfections in a manner that permits application to a wide range of welded fabrications. The levels do not refer to the fitness for purpose of the product; the levels refer to production quality. Applies to: all welding positions; manual, mechanised and automatic pressures; some welding processes and their defined sub processes; unalloyed and alloyed steels; butt welds, fillet welds and branch connections; materials in the 3mm to 63mm thickness range. Does not cover metallurgical aspects.

NBN EN ISO 5817:2007

NF EN 25817:1992 - Identical

SN EN 25817:1992 - Identical

ONORM EN 25817:1992 - Identical

DIN EN 25817 (1992-09) - Identical

ISO 4063:1998 - Identical

SS EN 25817 Ed. 1 (1993) - Identical

BS EN 25817:1992 - Identical

I.S. EN 25817:1993 - Identical

UNI EN 25817:1994 - Identical

UNE EN 25817:1994 - Identical