C
|
Mn
|
Si
|
Cr
|
Ni
|
Mo
|
Cu
|
S
|
P
|
≤0.08
|
0.5-2.5
|
≤0.90
|
18.0-21.0
|
9.0-11.0
|
≤0.75
|
≤0.75
|
≤0.030
|
≤0.040
|