DS 322
Approval testing of welders
| Organization: | DS |
| Publication Date: | 4 July 1988 |
| Status: | inactive |
scope:
The standard contains rules for approval testing of welders. The approval testing is based on practical tests and theore tical examinations. The purpose of the standard is to give d ocumentation of the welder's skill and job-knowledge. The re sults of the testing and examination are described in a cert ificate. The standard specifies two different types of appro val testing being used at workshops and welding schools.
Document History