Chinese Standard: GB/T 37400.3-2019

Heavy mechanical general technical specification—Part 3:Welding parts

全国冶金设备标准化技术委员会(SAC/TC 409)

GB/T 37400的本部分规定了钢制焊接件的技术要求、检验方法及图样标注。
本部分适用于重型机械及零部件中焊条电弧焊、气体保护焊、埋弧焊和氩弧焊的钢制焊接件的焊接制造。

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