详情描述：
C碳: 1.05~1.14Si硅: ≤0.35Mn锰: ≤0.40S硫: ≤0.030P磷: ≤0.035Cr铬: ≤0.25Ni镍: ≤0.20Cu铜: ≤0.30
C碳: 1.05~1.14
Si硅: ≤0.35
Mn锰: ≤0.40
S硫: ≤0.030
P磷: ≤0.035
Cr铬: ≤0.25
Ni镍: ≤0.20
Cu铜: ≤0.30
