Ferro Alloys

Ferro Silicon including Ferro Slag

Ferrosilicon is used as a source of silicon to reduce metals from their oxides and to deoxidize steel and other ferrous alloys. This prevents the loss of carbon from the molten steel (so called blocking the heat); ferromanganese, spiegeleisen, calcium silicides, and many other materials are used for the same purpose.It can be used to make other ferroalloys. Ferrosilicon is also used for manufacture of silicon, corrosion-resistant and high-temperature-resistant ferrous silicon alloys, and silicon steel for electromotors and transformer cores. In the manufacture of cast iron, ferrosilicon is used for inoculation of the iron to accelerate graphitization. In arc welding, ferrosilicon can be found in some electrode coatings.

Ferrosilicon is a basis for manufacture of prealloys like magnesium ferrosilicon (MgFeSi), used for production of ductile iron. MgFeSi contains 3–42% magnesium and small amounts of rare-earth metals. Ferrosilicon is also important as an additive to cast irons for controlling the initial content of silicon.


ferrosilicon slag is a by-product of ferrosilicon production from which 6% to 12% metal can be recovered. Ferrosilicon (FeSi) is an alloy of iron and silicon with a very variable silicon content between 10 % and 90 %. It is used as a socalled master alloy in steel production, which is added in small amounts in order to adjust the properties of the melt, the cooling process and the finished product.


We are majorly importing it from Bhutan as per the requirement of our valuable customers.



Silico Manganese

Silico Manganese is an alloy with 65% to 68% manganese, 16% to 21% silicon, and 1.5% to 2% carbon. It is produced by smelting of slag from high-carbon Ferro Manganese or of Manganese ore with coke and a quartz flux. Smelting temperatures are high and greater energy is needed to reduce the quartz to silicon.

Silicomanganese is produced by carbothermic reduction of oxidic raw materials in electric submerged arc furnaces. The same type of furnaces is used for FeMn and SiMn alloys. Operation of the SiMn process is often more difficult than the FeMn process because higher process temperature is needed.

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.

Ferro Manganese is primarily an alloy of manganese and iron. It contains a high content of manganese and used in steel products wherein silicon content needs to be controlled at low levels. It is mainly used in the silico manganese production of flat steel, manganese-rich steel and stainless steel products.


Procuring it locally from the regions of Asansol, Durgapur and Purulia Districts.