鋼棒鋼種, 鋼廠產地. 碳鋼:SS400, S15C~S55C 快削:12L14,1215,1215MS,1144, 11SMnPb30,SCM415L,SNCM439 鉻鉬鋼:SCM415,420,435,440(H) 高碳軸承鋼:SUJ2
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