C碳
|
Si硅
|
Cr鉻
|
Mn錳
|
Mo鉬
|
V釩
|
Co銅
|
Ni 鎳
|
P磷
|
S硫
|
1.40-1.60
|
≤0.40
|
11.00-13.00
|
≤0.60
|
0.70-1.20
|
0.60-1.20
|
≤1.00
|
|
0.030
|
0.030
|