About NAS
The DIN Standards Committee for Welding and allied processes (NAS) is responsible for the national standardization and represents the German interests on the European level (CEN) within CEN/TC 121 "Welding" and CEN/TC 240 "Thermal spraying and thermally sprayed coatings" as well as on the international level (ISO) within ISO/TC 44 "Welding and allied processes".
The NAS covers the following fields:
- welding,
- thermal cutting,
- thermal spraying,
- brazing and soldering,
- pasting
- and mechanical joining.
The NAS also prepares standards on the topics
- principles of communication (e.g. terms and definitions),
- testing and assessment of personnel,
- procedure tests,
- consumables for welding, brazing, soldering and thermal spraying,
- quality requirements,
- destructive and non-destructive tests,
- health and safety requirements
- as well as equipment for gas welding, resistance welding, beam welding, thermal cutting and thermal spraying.
