The introduction of Ferric silicon

Ferric silicon
Ferrosilicon(Ferric silicon) is composed of iron and silicon iron alloy. Ferrosilicon is coke, steel scrap, quartz (or silica) as raw material, made ​​of iron silicon alloy smelting furnace. Silicon and oxygen of the synthetic silica, ferro-silicon used for steelmaking deoxidizer, and release a large amount of heat generated due to SiO2 deoxy at the same time, improve the temperature of molten steel is also beneficial. Ferrosilicon can also be added as an alloying element agent, widely used in low-alloy structural steel, spring steel, bearing steel, among the heat-resistant steel and electrical silicon, ferrosilicon in ferroalloy production and chemical industry, commonly used as a reducing agent.
Application
Ferrosilicon is widely used in the steel industry, foundry industry and other industrial production.
Ferrosilicon is indispensable deoxidizer in the steel industry. Ju steel, ferrosilicon for precipitation deoxidation and diffusion deoxidation. Adobe iron as an alloying agent used in steelmaking. Add a certain amount of silicon steel, can significantly improve the strength of steel, hardness and elasticity, permeability of the steel, to reduce the hysteresis loss of the transformer steel. General steel, silicon 0.15% -0.35% 0.40% to 1.75% silicon, structural steel, tool steel, silicon 0.30% to 1.80% from 0.40% to 2.80%, silicon spring steel, stainless steel acid-containing silicon from 3.40% to 4.00% silicon 1.00% to 3.00%, heat-resistant steel, silicon in the silicon content of 2% to 3% or higher.
High-silicon ferrosilicon or silicon alloys used for production of low carbon iron alloy reductant in the ferroalloy industry. Ferrosilicon to join the cast iron for nodular cast iron inoculant, can prevent the formation of carbides, to promote the precipitation of graphite and ball, to improve the performance of cast iron.
In addition, the powder of ferrosilicon in the mineral processing industry for the suspended phase in the electrode manufacturing electrode coatings; high silicon ferrosilicon preparation of semiconductor pure silicon can be used in the electrical industry in the chemical industry can be used in the manufacture of silicone.
, Each producing one ton of steel in the steel industry consumes about ferrosilicon of 3 ~ 5kg75%.
Melting point: 75FeSi 1300 ℃
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