类

别

牌号

化学成分（质量分数）％

Mn

C

Si

P

S

Ⅰ

Ⅱ

Ⅰ

Ⅱ

低碳锰铁

FeMn88C0.2

85.0~92.0

0.2

1.0

2.0

0.10

0.30

0.02

FeMn84C0.4

80.0~87.0

0.4

1.0

2.0

0.15

0.30

0.02

FeMn84C0.7

80.0~87.0

0.7

1.0

2.0

0.20

0.30

0.02

中碳锰铁

FeMn82C1.0

78.0~85.0

1.0

1.5

2.0

0.20

0.35

0.03

FeMn82C1.5

78.0~85.0

1.5

1.5

2.0

0.20

0.35

0.03

FeMn78C2.0

75.0~82.0

2.0

1.5

2.5

0.20

0.40

0.03

高碳锰铁

FeMn78C8.0

75.0~82.0

8.0

1.5

2.5

0.20

0.33

0.03

FeMn74C7.5

70.0~77.0

7.5

2.0

3.0

0.25

0.38

0.03

FeMn68C7.0

65.0~72.0

7.0

2.5

4.5

0.25

0.40

0.03

FeMn78

75.0~82.0

7.5

1.0

2.0

0.25

0.35

0.03

FeMn73

70.0~75.0

7.5

1.0

2.0

0.25

0.35

0.03

FeMn68

65.0~70.0

7.0

1.0

2.0

0.30

0.40

0.03

FeMn63

60.0~65.0

7.0

1.0

2.0

0.30

0.40

0.03