標(biāo)題: ASTM A 470-2005 渦輪機(jī)轉(zhuǎn)子和軸用經(jīng)真空處理的碳素鋼.... [打印本頁] 作者: 兌水 時(shí)間: 2009-9-7 08:04 標(biāo)題: ASTM A 470-2005 渦輪機(jī)轉(zhuǎn)子和軸用經(jīng)真空處理的碳素鋼.... A470-03 Standard Specification for Vacuum-Treated Carbon and Alloy Steel Forgings for Turbine Rotors and Shafts