DIN CEN ISO/TR 20172
Welding - Grouping systems for materials - European materials (ISO/TR 20172:2021); German version CEN ISO/TR 20172:2021
Schweißen - Werkstoffgruppeneinteilung - Europäische Werkstoffe (ISO/TR 20172:2021); Deutsche Fassung CEN ISO/TR 20172:2021
Document: references other documents
Responsible national committee
NA 092-00-04 AA - Quality assurance of welding (DVS AG Q 2)
Responsible european committee
CEN/TC 121 - Welding and allied processes
Responsible international committee
ISO/TC 44/SC 10 - Quality management in the field of welding