C
Cr
Ni
Mo
Ti
Fe
≤0.08
13.5~16.0
24.0~27.0
1.00~1.50
1.75~2.30
余
V
B
Mn
Al
Si
P
S
0.10~0.50
0.001~0.010
1.00~2.00
≤0.40
≤1.00
≤0.030
≤0.020