Ferro silicon and silicon metal are two different ferro alloy materials, which have great differences in composition, properties and uses.
First of all, ferro silicon is a kind of ferro alloy material obtained by mixing hot metal with quartz ore, and its main components are iron, silicon and a small amount of impurities. The silicon content of ferro silicon is usually between 30% and 90%, and is higher than the content of other elements in the alloy. In addition to silicon, ferro silicon also contains a number of other elements, such as manganese, aluminum, calcium, magnesium, etc., which can significantly affect the performance of ferro silicon. Ferro silicon is mainly used in steel manufacturing, casting industry and metallurgy industry, can be used to increase the silicon content in steel and improve the performance of steel, can also be used to make alloy steel and low alloy steel to improve the strength and wear resistance of steel.
Metal silicon, also known as pure metal silicon, is a kind of metal material obtained by smelting and refining of high purity metal silica, and its main component is pure silicon. The silicon content of metallic silicon is usually higher than 99.9%, the crystal structure density is high and there is no impurity, so it has high purity, high hardness, high melting point and good thermal conductivity. Silicon metal has important applications in the semiconductor industry and can be used to manufacture electronic devices such as integrated circuit chips, solar cells, and LED lights. In addition, metallic silicon can also be used as an alloy additive for metal materials to improve the hardness, wear resistance and high temperature resistance of materials.
In addition to the differences in composition and use, there are also some differences in the properties of ferro silicon and silicon metal. Ferro silicon is an iron-based alloy with properties similar to iron such as hardness, density and melting point. Silicon metal is a pure metal form of silicon, and the hardness and density are higher than iron silicon. In addition, because there are almost no impurities in metallic silicon, its electrical and thermal conductivity are better than that of ferro silicon.
To sum up, ferro silicon is an iron-based alloy, mainly used in steel manufacturing, casting industry and metallurgy industry, can increase the silicon content of steel and improve the performance of steel; Silicon metal is a pure silicon metal material, mainly used in the semiconductor industry and alloy additives for metal materials, with high purity, high hardness and excellent thermal conductivity.
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