DIN Standards Committee Welding and allied processes
CEN/TC 121/SC 4
Quality management in the field of welding
Standardization of specifications for the different ways of qualification of welding procedures for metallic materials as well as for the content of welding procedures specifications, description of the qualification requirements for welding and allied processes personnel, quality management requirements in the field of welding for acceptance criteria, definitions of imperfections, post weld heat treatment.
National mirror committee of CEN/TC 121/SC 4
|NA 092-00-04 AA
|Quality assurance of welding (DVS AG Q 2)