元素
|
C
|
Si
|
Mn
|
Cr
|
W
|
P
|
S
|
含量(%)
|
0.85~0.95
|
≦0.40
|
0.90~1.20
|
0.50~0.80
|
0.50~0.80
|
≦0.030
|
≦0.030
|