4Cr10Si2Mo螺栓

标准: GB/T 1221-1992

●特性及适用范围: .

有较高的热勤工助学性，作内燃机进气阀,轻负荷发动机的排气阀等。

●化学成份:

碳C: 0.35~0.45

硅Si: 1.90~2.60

锰Mn:≤0.70

硫S:≤0.030

磷P:≤0.035

铬Cr: 9.00~ 10.50

镍Ni:≤0.60

钼Mo: 0.70~0.90

●力学性能: .

抗拉强度σb (MPa):淬火回火,2885

条件屈服强度σ0.2 (MPa):淬火回火,2685

伸长率85 (%):淬火回火,≥10

断面收缩率ψ (%):淬火回火,235

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