兑水 发表于 2009-9-8 14:43:13

ASTM A 732-2005 一般设备用熔模铸造碳素低合金钢及高强...

A732/A732M-02 Standard Specification for Castings, Investment, Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
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