C |
Si
|
Mn
|
S
|
P
|
Cr
|
Mo
|
V
|
0.32-0.45
|
0.80-1.20
|
0.20-0.50
|
≤0.030
|
≤0.030
|
4.75-5.50
|
1.10-1.75
|
0.80-1.20
|