牌 号 |
Mn |
C≤ |
Si≤ |
P≤ |
S≤ |
Ⅰ |
Ⅱ |
Ⅰ |
Ⅱ |
(1)低碳电炉锰铁 |
FeMn88C0.2
FeMn84C0.4
FeMn84C0.7 |
85.0~92.0
80.0~87.0
80.0~87.0 |
0.2
0.4
0.7 |
1.0 |
2.0 |
0.10
0.15
0.20 |
0.30 |
0.02 |
(2)中碳电炉锰铁 |
FeMn82C1.0
FeMn82C1.5
FeMn78C2.0 |
78.0~85.0
78.0~85.0
75.0~82.0 |
1.0
1.5
2.0 |
1.5 |
2.5 |
0.20 |
0.35
0.35
0.40 |
0.03 |
(3)高碳电炉锰铁 |
FeMn78C8.0
FeMn74C7.5
FeMn68C7.0 |
75.0~82.0 70.0~77.0
65.0~72.0 |
8.0
7.5
7.0 |
1.5
2.0
2.5 |
2.5
3.0
4.5 |
0.20
0.25
0.25 |
0.33
0.38
0.40 |
0.03 |
(4)高炉锰铁 |
FeMn78
FeMn74
FeMn68
FeMn64
FeMn58 |
75.0~82.0
70.0~77.0
65.0~72.0
60.0~67.0
55.0~62.0 |
7.5
7.5
7.0
7.0
7.0 |
1.0 |
2.0
2.0
2.5
2.5
2.5 |
0.30
0.40
0.40
0.50
0.50 |
0.50
0.50
0.60
0.60
0.60 |
0.03 |