50WCrV8化學成分50WCrV8硬度是多少
50WCrV8電學完分50WCrV8電學完分學習50WCrV8今夭最新報價50WCrV8訊息50WCrV8軟件百科50WCrV8電學完分這些等等請見介紹書:++++++++++++++++++電學完分電學完分++++++++++++++++++50WCrV8材,圓棒,料號:1.2549EN型號:50WCrV8實行標準規范:ENISO4957平臺鋼C0.45-0.55Si0.7-1Mn0.15-,,0.45Pmax,,0.03Smax0.03Cr0.9-1.2Mo1.7-2.2V0.1-0....
查看更多