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1、精选优质文档-倾情为你奉上 碳钢（10#、20#、A3、Q235A、20G、16Mn、ASTM A234、ASTM A105、ASTM A403等）； 奥氏体不锈钢（1Cr18Ni9Ti、0Cr18Ni9、00Cr19Ni10、0Cr17Ni12Mo2Ti、00Cr17Ni14Mo2、304 304L、316、316L等）； 合金钢（16MnR、Cr5Mo、12Cr1MoV、10CrMo910、15CrMo、12Cr2Mo1、A335P22、St45.8/、 A10bB）。 对焊异径管规格参数表（GB 12459、GB/
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