化学成分:
牌号
|
C
|
Si
|
Mn
|
Cr
|
Ni
|
Mo
|
Nb
|
P
|
S
|
13MnNiMoR
|
≤0.15
|
0.15-0.50
|
1.20-1.60
|
0.20-0.40
|
0.60-1.00
|
0.20-0.40
|
0.005-0.020
|
≤0.020
|
≤0.010
|