有關k40f的精選大全

k40f鋼材化學成分
化學成分:碳&nbspC&nbsp:0.37~0.44硅&nbspSi:0.17~0.37錳&nbspMn:0.50~0.80硫&nbspS&nbsp:允許殘餘含量≤0.035磷&nbspP&nbsp:允許殘餘含量≤0.035鉻&nbspCr:0.80~1.10鎳&nbspNi:≤0.30銅&nbspCu:允許殘餘含量≤0.030k40f鋼材...
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