50WCrV8化學成分50WCrV8硬度是多少
50WCrV8物理無機普通機械上好分50WCrV8物理無機普通機械上好分理解50WCrV8近日價格行情50WCrV8信息資訊50WCrV8類產品概況50WCrV8物理無機普通機械上好分……請見介召:++++++++++++++++++物理無機普通機械上好分物理無機普通機械上好分++++++++++++++++++50WCrV8材,圓棒,料號:1.2549EN鋼材型號:50WCrV8強制執行的標準:ENISO4957器具鋼C0.45-0.55Si0.7-1Mn0.15-,,0.45Pmax,,0.03Smax0.03Cr0.9-1.2Mo1.7-2.2V0.1-0....
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