28MnCr5圆钢齿轮钢
2023-04-28 09:46 作者:正睿金属18049812566 | 我要投稿

28MnCr5汽车齿轮用钢,棒材,锻件,兴澄特钢/西宁特钢/东北特钢
28MnCr5抗拉强度 σb (MPa):≥1307
28MnCr5屈服强度 σs (MPa):≥982
28MnCr5断后伸长率或延伸率 δ (%):≥7.3
28MnCr5冲击吸收能量KV2(J):≥40
28MnCr5断面收缩率 ψ (%):≥35
28MnCr5硬度:≤413HBW
28MnCr5化学成分:
碳C:0.25~0.30
硅Si:≤0.25
锰Mn:0.50~0.80
磷P:≤0.035
硫S:≤0.035
铬Cr:0.80~1.10
钼Mo:≤0.15
镍Ni:≤0.30
