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| JB/T 6439-2008 Methods of magnetic examination for valves (English Version) |
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Detail of JB/T 6439-2008
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Introduction of JB/T 6439-2008
本标准规定了阀门受压铸钢件的磁粉检测一般要求、检验方法、质量等级及检验报告。 本标准适用于阀门受压导磁铸钢件表面缺陷的检验和质量评级及验收。 与管道配套的法兰、管件等受压铸钢件及非受压铸钢件的磁粉检测也可参照本标准执行。
Contents of JB/T 6439-2008