兑水 发表于 2009-9-10 08:24:23

ASTM A 928-2005 加填料金属电熔焊铁素体/奥氏体不锈钢管...

A928/A928M-04 Standard Specification for Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal
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