2019EN ISO 13919-1:2019 Electron and laser-beam welded joints - Requirements and recommendations on quality levels for imperfections - Part 1: Steel, nickel, titanium and their alloys (ISO 13919-1:2019)
1996EN ISO 13919-1:1996 Welding - Electrons and Laser Beam Welded Joints - Guidance on Quality Levels for Imperfections - Part 1: Steel ISO 13919-1: 1996