|
化学成分（Wt，%）
|
|||||||||
|
C
|
Si
|
Mn
|
Mo
|
Ni
|
Cr
|
P
|
S
|
Cu
|
|
|
20MnMo钢
|
0.17-0.23
|
0.17-0.37
|
1.10-1.40
|
0.20-0.35
|
≤0.30
|
≤0.30
|
≤0.025
|
≤0.015
|
≤0.25
|
|
化学成分（Wt，%）
|
|||||||||
|
C
|
Si
|
Mn
|
Mo
|
Ni
|
Cr
|
P
|
S
|
Cu
|
|
|
20MnMo钢
|
0.17-0.23
|
0.17-0.37
|
1.10-1.40
|
0.20-0.35
|
≤0.30
|
≤0.30
|
≤0.025
|
≤0.015
|
≤0.25
|
|
|
化学成分：
|
||||||||
|
C
|
Si
|
Mn
|
Mo
|
Ni
|
Cr
|
P
|
S
|
Cu
|
|
|
|
0.17-0.23
|
0.17-0.37
|
1.10-1.40
|
0.20-0.35
|
≤0.30
|
≤0.30
|
≤0.025
|
≤0.015
|
≤0.25
|
