GB/T 15169-2003 Qualification test of welders—Fusion welding for steels (Text of Document is in English) - Beijing translation compay

Foreword
1 Scope
2 Normative References
3 Terms
4 Symbol and abbreviation
5 Main parameters and approval range
6 Experiment and testing
7 Acceptance requirement of specimen
8 Makeup
9 Validity
10 Certificate
11 Approval marker for welder examination
Annex A (Informative) Welder Qualification Certification
Annex B (Informative) Labeling example of authorization of welder examination
Annex C (Normative) Professional Knowledge
Annex D (Normative) Delay need be confirmed and parameter which traceability
Annex E (Informative) Guide of steel classification
Annex F (Informative) An Explanation of ISO 9017 Fracture Test