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NZS 4711 PDF
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Qualification tests for metal-arc welders
| Published by | Publication Date | Number of Pages |
| NZS | 07/31/1984 | 31 |
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.
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