碳C 0.37~0.44
硅Si 0.17~0.37
锰Mn0.50~0.80
硫S 允许残余含量≤0.025
磷P 允许残余含量≤0.025
铬Cr 0.60~0.90
镍Ni 1.25~1.65
铜Cu 允许残余含量≤0.25
钼Mo0.15~0.25
40crnimo 40crnimo圆钢
40CrNiMo圆钢
40crnimo,圆钢40crnimo,40crnimoa,40crnimo圆钢价格
40crnimo 42crmo 34crnimo圆钢
供应天津40CrNiMo圆钢 天津圆钢 40crnimo圆钢
40CrNiMo圆钢批发
40crnimo圆钢 40crnimo圆钢现货
零售40CrNiMo圆钢。批发40CrNiMo圆钢
供应40CrNiMo圆钢
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