Ferro alloy
FeMn Medium Carbon Ferromanganese Ferro Manganese
Ferromanganese is a ferroalloy with high manganese content (high-carbon ferromanganese can contain as much as 80% Mn by weight). It is made by heating a mixture of the oxides MnO2 and Fe2O3, with c...
DESCRIPTION
Ferromanganese is a ferroalloy with high manganese content (high-carbon ferromanganese can contain as much as 80% Mn by weight). It is made by heating a mixture of the oxides MnO2 and Fe2O3, with carbon (usually as coal and coke) in either a blast furnace or an electric arc furnace-type system, called a submerged arc furnace.
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Grade
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Chemical Composition
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||||
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Mn
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C
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Si
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P
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S
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|
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≥
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≤
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≤
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|||
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Low Carbon
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85
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0.2
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0.8-2.0
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0.1-0.3
|
0.02
|
|
80
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0.5
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0.8-2.0
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0.1-0.3
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0.02
|
|
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80
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0.7
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0.8-2.0
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0.1-0.3
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0.02
|
|
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Mid Carbon
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78
|
1.0
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0.8-2.0
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0.15-0.35
|
0.03
|
|
78
|
1.5
|
0.8-2.0
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0.15-0.35
|
0.03
|
|
|
78
|
2.0
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0.8-2.0
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0.15-0.35
|
0.03
|
|
|
75
|
1.5
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0.8-2.0
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0.15-0.35
|
0.03
|
|
|
75
|
2.0
|
0.8-2.0
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0.15-0.35
|
0.03
|
|
|
High Carbon
|
78
|
8.0
|
1.0-5.0
|
0.2-0.4
|
0.03
|
|
75
|
7.5
|
1.0-5.0
|
0.2-0.4
|
0.03
|
|
|
73
|
7.0
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1.0-5.0
|
0.2-0.4
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0.03
|
|
|
70
|
7.0
|
1.0-5.0
|
0.2-0.4
|
0.03
|
|
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