化学成分
|
|||
C
|
Si
|
Mn
|
P
|
≤0.09
|
≤1.00
|
≤1.00
|
≤0.035
|
S
|
Ni
|
Cr
|
Mo
|
≤0.030
|
6.50~7.75
|
16.00~18.00
|
-
|
Cu
|
N
|
Al
|
|
-
|
-
|
0.75~1.50
|