Ferro Silicon

Ferrosilicon, or ferrosilicium, is a ferroalloy, an alloy of iron and silicon with between 15% and 90% silicon. It contains a high proportion of iron silicides. Its melting point is about 1200 C to 1250 C with a boiling point of 2355 C. It also contains about 1% to 2% of calcium and aluminium.

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Ferro Manganese

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 carbothermal reduction in the furnaces, producing the ferromanganese. Ferromanganese is used as a deoxidizer for steel and for induction of manganese into steel.

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Ferro Chrome

Ferrochrome (FeCr) is an alloy of chromium and iron containing between 50% and 70% chromium. The ferrochrome is produced by electric arc melting of chromite, an iron magnesium chromium oxide and the most important chromium ore

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Ferro Molybdenum

Ferromolybdenum is an important iron molybdenum alloy, with a molybdenum content of 60-70%. It is the main source for molybdenum alloying of HSLA steel.

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Ferro Silico Manganese

Ferro Silico Manganese is used as a deoxidizer and an alloying element in steel. The standard grade Ferro Silico Manganese contains 14 to 16% of silicon, 65 to 68% of manganese and 2% of carbon. Special grades with up to 30% Si are produced for use in the manufacture of stainless steel.

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Ferro Tungsten

Ferro Tungsten is an alloy, which is formed by combining iron and tungsten with a tungsten content range in two grades (A and B) and the content ranges are 75%-82% and 70%-75% respectively

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Ferro Tungsten
Ferro Tungsten is an alloy, which is formed by combining iron and tungsten with a tungsten content range in two grades (A and B) and the content ranges are 75%-82% and 70%-75% respectively. Ferro Tungsten is a remarkably robust alloy because of its high melting point, tungsten has the second highest melting point after carbon. By combining iron with tungsten, the tendencies towards brittleness are overcome from the raw state of tungsten, and Ferro Tungsten is often a major component of popular super alloys
FERRO TUNGSTEN
    % C S P Si
Grade A W 75-82 0.1 0.05 0.05 2
Grade B W 70-75 0.1 0.05 0.05 3
 
Ferro Molybdenum
Ferromolybdenum is an important iron molybdenum alloy, with a molybdenum content of 60-70%. It is the main source for molybdenum alloying of HSLA steel. The molybdenum is mined and is subsequently transformed into the molybdenum(VI) oxide MoO3. This oxide is mixed with iron oxide and aluminum and is reduced in the an aluminithermic reaction to molybdenum and iron. The ferromolybdenum can be purified by electron beam melting or used as it is. For alloying with steel the ferromolybdenum is added to molten steel before casting
FERRO MOLYBDENUM
  Mo Si P S C Cu
HC 60 - 65% 2.5% Max. 0. 1% Max. 0. 15% Max. 0. 15% Max. 0. 5% Max.
LC 65 -75% 1% Max. 0. 05% Max. 0. 1% Max. 0. 1% Max. 0. 5% Max.
 
Ferro Silico Manganese
Ferro Silico Manganese is used as a deoxidizer and an alloying element in steel.

The standard grade Ferro Silico Manganese contains 14 to 16% of silicon, 65 to 68% of manganese and 2% of carbon. Special grades with up to 30% Si are produced for use in the manufacture of stainless steel.

Both silicon and manganese have an important influence on the properties of steel, depending on the amount added and the combined effect with other alloying elements. Silicon and manganese have a strong affinity for oxygen, and will act as deoxidizers. Deoxidation with SiMn results in cleaner steel, as the liquid manganese silicate formed coagulates and separates easier from the melt, compared to solid SiO2 formed during FeSi deoxidation. Use of Ferro Silico Manganese adds less phosphorus, carbon, and nitrogen to steel compared to standard FeSi 75 plus HC FeMn.
FERRO SILICO MANGANESE
  C S P Si Mn
LC 0.1 0.03 0.15 15-20 60-65
MC 2.5 0.03 0.25 14-17 60-65
 
 

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