Ferrosilicon With Good Electrical Conductivity

Specification granularity: natural block, 10-100mm, 10-60mm, 3-10mm, 1-3mm, 0-1mm or customized according to customer requirements.

Packaging: Ton bag packaging (1000kg/bag) or customized according to customer requirements.

Ferrosilicon is an iron-silicon alloy made by smelting in an electric furnace using coke, steel scraps, and quartz (or silica) as raw materials. Ferrosilicon is usually classified according to the silicon content, and the common ones are high-silicon ferrosilicon and low-silicon ferrosilicon. Ferrosilicon can also be divided into multiple grades according to the silicon and impurity content, such as FeSi90Al1.5, FeSi75Al0.5-A, etc.

Ferrosilicon is mainly produced by the electric furnace method, using coke, steel scraps, quartz (or silica) as raw materials and smelting at high temperatures generated by electricity. Factors such as temperature control and raw material ratio during the production process will affect the quality and output of ferrosilicon.

The chemical affinity between silicon and oxygen is very strong. Ferrosilicon is a strong deoxidizer for steelmaking and is used for precipitation and diffusion deoxidation. At the same time, SiO2 releases a lot of heat when it is generated, which is also beneficial to increasing the temperature of molten steel while deoxidizing. Adding a certain amount of silicon to steel can significantly improve the strength, hardness and elasticity of the steel. Therefore, ferrosilicon is also commonly used as an alloying agent and is widely used in low-alloy structural steel, spring steel, bearing steel, heat-resistant steel and electrical silicon steel. Adding a certain amount of ferrosilicon to cast iron can prevent the formation of carbides in the iron, promote the precipitation and spheroidization of graphite, and improve the properties of cast iron. Therefore, ferrosilicon is an important inoculant for ductile iron. Ferrosilicon contributes to the spheroidization of graphite and improves the mechanical properties of cast iron. High-silicon ferrosilicon or siliceous alloys are used in the ferroalloy industry as reducing agents for the production of low-carbon ferroalloys. Ground or atomized ferrosilicon powder can be used as a suspended phase in the mineral processing industry. In the welding rod manufacturing industry, ferrosilicon powder can be used as coating for welding rods. In the Pidgeon process of magnesium smelting, ferrosilicon is often used in the high-temperature smelting process of metallic magnesium to replace magnesium in CaO and MgO.

During the production and use of ferrosilicon, relevant safety operating procedures and measures need to be strictly followed to ensure the safety and health of personnel. Operators need to wear protective equipment such as protective glasses, masks and gloves to avoid direct contact with ferrosilicon particles or gases. Ferrosilicon should be stored in a dry, well-ventilated place and avoid being stored together with flammable and explosive materials. In the event of ferrosilicon leakage or other unexpected situations, appropriate emergency measures should be taken immediately and the relevant departments should be notified for further processing.

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