1.2549材質單1.2549用途
1.2549面料單了解一下1.2549如今價格1.2549新聞資訊1.2549品牌簡潔1.2549電學完分等一等請見解紹:++++++++++++++++++面料單電學完分++++++++++++++++++1.2549材質號:1.2549EN類型:50WCrV8履行的標準:ENISO4957方法鋼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洛氏硬度HB:229之內是相應1...
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