High Carbon Ferro Manganese

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High Carbon Ferro Manganese

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Manganese alloys are mostly used in steelmaking and foundry activities.

Some 30 % of the manganese used today in steelmaking is still used for its properties as a deoxidant and a sulphide former. In this last case it combines with sulphur avoiding the formation of iron sulphides, which sulphides are low melting point phases which become liquid at hot rolling temperatures and which, consequently, generate surface cracking.

The other 70% of the manganese is used purely as an alloying element. Steels usually contain from 0,2% to 2% manganese depending on grades as manganese is the cheapest alloying element among those which enhance some key mechanical properties like strength and toughness. In the specific case of stainless steel it can substitute expensive nickel in some austenitic grades called 200 series.

There are two families of manganese alloys called ferro-manganese (FeMn) and silico-manganese (SiMn). Silicomanganese adds additional silicon which is a stronger deoxidant. Nitrogen, boron, titanium, phosphorus are elements which can be controlled depending on requested specification. A very specific application of refined manganese alloys is a constituent in the coating of welding electrodes.

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Ferromanganese, a ferroalloy with high content of manganese, 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. The oxides undergo carbo thermal reduction in the furnaces, producing the ferromanganese. Ferromanganese is used as a deoxidizer for steel.

Henry Bessemer invented the use of ferromanganese as a method of introducing manganese in controlled proportions during the production of steel. The advantage of combining powdered iron oxide and manganese oxide together is the lower melting point of the combined alloy compared to pure manganese oxide.

A North American standard specification is ASTM A99. The ten grades covered under this specification includes;

  • Standard ferromanganese(High Carbon Ferro Manganese)
  • Medium-carbon ferromanganese
  • Low-carbon ferromanganese



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Weight 1.600.000 kg
High Carbon Ferro Manganese

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No.DateDelivery TermTax (9%)GradeSizePrice( USD )Chart
111-Mar to 17-MarFOB IndiaNot Include70%10-601040
211-Mar to 17-MarFOB IndiaNot Include75%10-601120
311-Mar to 17-MarFOB IndiaNot Include76%10-601190
1MnMin 76%
2SiMax 1.5%
4SMax. 0.03%
5PMax 0.3%
6Size10-60mm 90%min