NZS 4711 – Qualification tests for metal-arc welders
Applies to the qualification testing of welders to establish their competency in manual, semi-automatic or automatic metal-arc welding of weldable steels. Tests are specified for welding of plate and/or tubing, and test certificates may have a validity of 1, 2 or 3 years. Requirements for test authorities and their staff are specified.
Product Details
- Published:
- 07/31/1984
- Number of Pages:
- 31
- File Size:
- 1 file , 2.9 MB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
