Ferro silicon is a deoxidizer in steelmaking industry

High silicon ferrosilicon or silicon alloys are used as reducing agents in the production of low-carbon ferroalloys in the ferroalloy industry. Adding ferro silicon to cast iron can be used as an inoculant for ductile iron, and can prevent the formation of carbides, promote the precipitation and spheroidization of graphite, and improve the performance of cast iron.
Ferro silicon is made from coke, steel shavings, quartz (or silica) and smelted in an electric furnace. Silicon and oxygen are easily combined into silicon dioxide, so ferro silicon is often used as a deoxidizer in steelmaking. At the same time, because SiO2 is generated when it releases a lot of heat, it can increase the temperature of molten steel and reduce the energy consumption of steelmaking at the same time as deoxidation. As an alloying element additive, ferro silicon is widely used in low-alloy structural steel, bonded steel, spring steel, bearing steel, heat-resistant steel and electrical silicon steel. It is often used to manufacture single crystal silicon or prepare non-ferrous metal alloys.
Ferro silicon is an essential deoxidizer in the steelmaking industry. In steelmaking, ferro silicon is used for precipitation deoxidizer and diffusion deoxidation. Ferro silicon is also used as an alloying agent in steelmaking. Adding a certain amount of silicon to steel can significantly increase the strength, hardness and elasticity of steel, increase the magnetic permeability of steel, and reduce the hysteresis loss of transformer steel. General steel contains 0.15%-0.35% silicon, structural steel contains 0.40%-1.75% silicon, tool steel contains silicon 0.30%-1.80%, spring steel contains silicon 0.40%-2.80%, and stainless acid-resistant steel contains Silicon is 3.40% to 4.00%, heat-resistant steel contains 1.00% to 3.00% silicon, and silicon steel contains 2% to 3% silicon or higher.