大同牌号
|
碳C
|
硅Si
|
锰Mn
|
磷P
|
硫S
|
铬Cr
|
钼Mo
|
钒V
|
DC53
|
0.90~1.00
|
0.30-0.40
|
0.50-0.70
|
<0.030
|
<0.030
|
7.00~9.00
|
0.80~2.20
|
0.20-0.50
|
C
|
Si
|
Cr
|
NI
|
Mo
|
V
|
V
|
P
|
S
|
CU
|
MN
|
1.40-1.60
|
0.40
|
11.00-13.00
|
0.5
|
0.80-1.20
|
0.20-0.50
|
0.20-0.50
|
<0.03
|
<0.03
|
<0.25
|
0.60
|
|