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▲40CrNiMoA执行标准:GB/T3077-1999 ▲40CrNiMoA化学成份如下:注:具体化学成分以钢厂质保书为准。碳C:0.37~0.44硅Si:0.17~0.37锰Mn:0.50~0.80硫S:≤0.025磷P:≤0.025铬Cr:0.60~0.90镍Ni:1.25~1.65铜Cu:≤0.25钼Mo:0.15~0.25 ▲40CrNiMoA力学性能如下:注:具体力学性能以钢厂质保书为准。40CrNiMoA抗拉强度 σb (MPa):≥98040CrNiMoA屈服强度 σs (MPa):≥83540CrNiMoA伸长率 δ5 (%):≥1240CrNiMoA断面收缩率 ψ (%):≥5540CrNiMoA冲击功 Akv (J):≥78 ▲40CrNiMoA应用:40CrNiMoA用作要求高强度、高韧性、截面尺寸较大的和较重要的调质零件,如卧式锻造机的传动偏心轴、锻压机。



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