1.2549材質單1.2549用途
1.2549質地單熟悉1.2549今天價格查詢1.2549訊息1.2549軟件詳細簡介1.2549電學完分這些請見簡介:++++++++++++++++++質地單電學完分++++++++++++++++++1.2549的材料號:1.2549EN鋼號:50WCrV8審理規則:ENISO4957器具鋼C0.45-0.55Si0.7-1,圓棒,Mn0.15-0.45,電學完分,Pmax?0.03Smax?0.03Cr0.9-1.2Mo1.7-2.2V0.1-0.2硬度標準HB:229上述是相應的1...
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