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现行 SH/T 3526-2015
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石油化工异种钢焊接规范 Welding specification of dissimilar steels in petrochemical industry
发布日期: 2015-04-30
实施日期: 2015-10-01
本规范规定了异种钢焊接工艺评定、焊工资格、焊接工艺、焊接检验及焊后热处理的要求。 本规范适用于石油化工、煤化工、天然气化工设备和管道的异种钢焊接接头的焊条电弧焊、钨极气体保护焊、熔化极气体保护焊和埋弧焊的焊接。 本规范规定的异种钢焊接包括: a)不同铁素体钢的焊接; b)不同奥氏体不锈钢的焊接: c) 铁素体钢与奥氏体不锈钢的焊接; d) 表层耐磨、耐腐蚀堆焊焊接
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