50WCrV8化學成分50WCrV8硬度是多少
50WCrV8無機化工工業好分50WCrV8無機化工工業好分明白50WCrV8今早來報價50WCrV8最新資訊50WCrV8成品概述50WCrV8無機化工工業好分這些等等請見說明:++++++++++++++++++無機化工工業好分無機化工工業好分++++++++++++++++++50WCrV8材,圓棒,料號:1.2549EN鋼號:50WCrV8施行要求:ENISO4957道具鋼C0.45-0.55Si0.7-1Mn0.15-,,0.45Pmax,,0.03Smax0.03Cr0.9-1.2Mo1.7-2.2V0.1-0....
查看更多