NZS 4703-1985
乳品加工业不锈钢管焊工资格测试

WELDER QUALIFICATION TESTS FOR STAINLESS STEEL PIPE FOR THE DAIRY INDUSTRY


 

 

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标准号
NZS 4703-1985
发布日期
1985年11月01日
实施日期
废止日期
发布单位
NZ-SNZ
适用范围
101.1 This Standard applies to the qualification testing of welders to establish their competency in MIG, TIC and Arc plasma welding of stainless steel pipework to meet the hygiene requirements of the dairy industry. It is not intended to cover the welding of pressure pipework. The test consists of: (a) A butt joint in pipe and (b) Branch connection in pipe both welded from one side without backing.




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