C
|
Si
|
Mn
|
Cr
|
Mo
|
V
|
P
|
S
|
快削性无素
|
0.33-0.42
|
0.80-1.20
|
0.55-0.75
|
4.80-5.50
|
1.20-1.60
|
0.30-0.80
|
<0.03
|
0.01-0.15
|
若干
|