| 类别 |
牌号 |
化学成分（%） |
||||||
| Mn |
C |
Si |
P |
S |
||||
| Ⅰ |
Ⅱ |
Ⅰ |
Ⅱ |
|||||
| ≤ |
||||||||
| 高炉高弹锰铁 |
FeMn78 |
75.0～82.0 |
7.5 |
1 |
2 |
0.3 |
0.5 |
0.03 |
| FeMn74 |
70.0～77.0 |
7 |
1 |
2 |
0.4 |
0.5 |
0.03 |
|
| FeMn68 |
65.0～72.0 |
7 |
1 |
2.5 |
0.4 |
0.6 |
0.03 |
|
| FeMn64 |
60.0～67.0 |
7 |
1 |
2.5 |
0.5 |
0.6 |
0.03 |
|
| FeMn58 |
55.0～62.0 |
7 |
1 |
2.5 |
0.5 |
0.6 |
0.03 |
|
