1.2344化學成分1.2344硬度是多少
1.2344電學精分知道1.2344今早最新報價1.2344知識1.2344設備間介1.2344電學精分一系列請見了解:++++++++++++++++++電學精分電學精分++++++++++++++++++1.2344的材料號:1.2344EN型號:X40CrMoV5-1繼續執行規則:ENISO4957生產工具鋼◎電學精分:C,熱操作,0.35-0.42Si0.8-1.2Mn0.25-0.5Pmax0.03Smax0.02Cr4.8,,-5.5Mo1.2-1.5V0.85-1.15洛氏硬度HB...
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