兑水 发表于 2009-9-5 22:26:52

ASTM A 268-2005 一般设备用无缝和焊接铁素体与马氏体不锈钢管

A268/A268M-04 Standard Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
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