牌号
|
C
|
Si
|
Mn
|
Mo
|
Cr
|
P
|
S
|
V
|
30CrMo
|
0.26~0.34
|
0.17~0.37
|
0.40~0.70
|
0.15~0.25
|
0.80~1 .10
|
落0.030
|
落0.030
|
--
|
50MnZV
|
0.47~0.55
|
0.17~0.37
|
1 .40~1.80
|
---
|
---
|
--
|
--
|
0.07一0.12
|