標(biāo)題: ASTM A 471-2006 渦輪轉(zhuǎn)子轉(zhuǎn)盤和轉(zhuǎn)輪用真空處理合金鋼鍛件.... [打印本頁] 作者: 兌水 時間: 2009-9-7 08:06 標(biāo)題: ASTM A 471-2006 渦輪轉(zhuǎn)子轉(zhuǎn)盤和轉(zhuǎn)輪用真空處理合金鋼鍛件.... A471-02 Standard Specification for Vacuum-Treated Alloy Steel Forgings for Turbine Rotor Disks and Wheels