What is ferrosilicon powder?

Ferrosilicon powder is a ferroalloy composed of iron and silicon, which is then ground into a powder material. It is used as a Oxygen scavenger for steelmaking and ironmaking, and can also be used as a raw material for hydrogen production. The boiling point of ferrosilicon powder is 1300 ℃. The chemical composition of ferrosilicon powder is Si Al Ca Mn Cr P S C.

Ferrosilicon is widely used in the steel industry, casting industry, and other industrial production. Ferrosilicon is an essential Oxygen scavenger in steelmaking industry. In steelmaking, ferrosilicon is used for precipitation deoxygenation and diffusion deoxygenation. Brick iron is also used as an alloying agent in steelmaking. Adding a certain amount of silicon to steel can significantly improve its strength, hardness, and elasticity, increase its magnetic permeability, and reduce the hysteresis loss of transformer steel. General steel contains 0.15% -0.35% silicon, structural steel 0.40% -1.75% silicon, Tool steel 0.30% -1.80% silicon, spring steel 0.40% -2.80% silicon, stainless acid resistant steel 3.40% -4.00% silicon, heat resistant steel 1.00% -3.00% silicon, silicon steel 2% -3% silicon or more. High silicon ferrosilicon or siliceous alloys are used as reducing agents in the production of low-carbon ferroalloys in the ferroalloy industry. Adding silicon iron to cast iron can serve as an inoculant for ductile iron, and can prevent the formation of carbides, promote graphite precipitation and spheroidization, and improve the properties of cast iron. In addition, ferrosilicon powder can be used as a suspended phase in the mineral processing industry and as a coating for welding rods in the welding rod manufacturing industry; High silicon ferrosilicon can be used in the electrical industry to prepare semiconductor pure silicon, and in the chemical industry to manufacture silicone and other materials. In the steelmaking industry, approximately 3-5 kg of 75% ferrosilicon is consumed for each ton of steel produced.