50WCrV8化學成分50WCrV8硬度是多少
50WCrV8生物上材料50WCrV8生物上材料學習50WCrV8現在價錢50WCrV8咨訊50WCrV8貨品百度百科50WCrV8生物上材料等一等請見了解:++++++++++++++++++生物上材料生物上材料++++++++++++++++++50WCrV8材,圓棒,料號:1.2549EN鋼號:50WCrV8履行的標準:ENISO4957工具軟件鋼C0.45-0.55Si0.7-1Mn0.15-,,0.45Pmax,,0.03Smax0.03Cr0.9-1.2Mo1.7-2.2V0.1-0....
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