兑水 发表于 2009-9-9 16:21:50

ASTM A 891-1998 涡轮机转子圆盘和轮用沉淀硬化铁基超合...

A891-98(2003) Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels
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