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Carbon raiser, also known as carbon additive or recarburizer, is a material added to molten metal to increase its carbon content. When being used in steelmaking or casting, the fixed carbon of carbon raiser can reach more than 95%. It has been widely used in various industries such as metallurgy, chemical, and power.

Ferro silicon is used as a reductant in ferroalloy(SiMn) production and chemical industry. In iron industry, ferro silicon can be used as inoculant and nodulizer.

72 ferrosilicon is commonly used in the high temperature smelting of metallic magnesium in the pidgeon process.

Mainly used in steelmaking in an electric furnace, it can increase the carbon content in steelmaking and ductile iron foundries, greatly increase the amount of scrap steel, reduce the amount of pig iron or eliminate the need for pig iron. It replaces traditional recarburizers and effectively reduces steelmaking costs. It is also used in metallurgy, glass production, casting, smelting of graphite crucible, aluminum, titanium, and other industries.

Carbon raiser is a category that includes calcined petroleum coke, graphite petroleum coke, calcined anthracite, and natural graphite. Due to the high price of natural graphite, it is not suitable for steelmaking or casting, so calcined petroleum coke, calcined coal are more suitable for the current steelmaking and casting process.