Application Of Silicon Metal 411

Silicon metal 411 is a brand classified according to the percentage content of iron, aluminum and calcium in metallic silicon. Specifically, "411" means that the contents of iron, aluminum and calcium are about 4%, 1% and 1% respectively. The carbothermic method is mainly used in the production of metallic silicon, that is, silica and carbonaceous reductants are used as raw materials for smelting in submerged arc furnaces. The purity of silicon prepared by this method can reach 97% ~ 98%, and if higher grade silicon is needed, it needs to be further refined to remove impurities.

Silicon metal 411 is an important component in aluminum alloys, and most cast aluminum alloys contain silicon. It can be used to replace pure aluminum in the steelmaking process, improve the utilization rate of deoxidizer, and thus improve the quality of steel. Silicon metal 411 is also a deoxidizer for smelting special steel and non-iron-based alloys, providing the necessary components for these alloys. After industrial silicon is purified by a series of processes, polycrystalline silicon and monocrystalline silicon can be produced, and Silicon metal 411 is one of the raw materials for these purification processes. Polysilicon and monocrystalline silicon are mostly used in the photovoltaic industry and semiconductor industry, among which solar cell field is an important application field of metallic silicon. Silicon metal 411 is also used to make high-grade refractories and as a reducing agent in the smelting of various metals.

To sum up, metallic silicon 411 is widely used in the aluminum alloy industry, additives of non-iron-based alloys, the chemical industry, the photovoltaic industry and electronic industry, refractories and metallurgy, and emerging fields such as aviation, aerospace and 5G base stations. These applications reflect the important role of metallic silicon 411 in industrial and technological development. With the development of technology, the application field of metal silicon 411 is still expanding.

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