DIN EN ISO 13919-1:1996 Welding - Electrons and laser beam welded joints; guidance on quality levels for imperfections - Part 1: Steel (ISO 13919-1:1996); German version EN ISO 13919-1:1996
DIN EN ISO 13919-2 Electron and laser-beam welded joints - Requirements and recommendations on quality levels for imperfections - Part 2: Aluminium, magnesium and their alloys and pure copper (ISO 13919-2:2021); German version EN ISO 13919-2:2021*, 2021-06-01 Update
DVS 3206-1-1994 Irregularities and causes of laser flame cutting of metal materials
DVS 3206-2-1994 Irregularities and causes of laser beam melting and cutting of metal materials