The lower the carbon content of ferrochrome, the more difficult it is to smelt, the higher the power consumption, and the higher the cost. Ferrochrome with a carbon content of less than 2% is suitable for smelting stainless steel, acid-resistant steel and other low-carbon chromium steels. Ferrochrome with a carbon content of more than 4% is commonly used to make ball bearing steel and steel for auto parts.
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1.The addition of chromium to cast iron can increase hardness and improve wear resistance, and its mechanical properties can be improved by containing 0.5% to 1.0% chromium.
2.High-carbon ferro chrome is used as an alloying agent for ball steel, tool steel, die steel and high-speed steel, which can improve the hardenability of steel and increase the wear resistance and hardness of steel.
3.High-carbon ferro chrome and charge-grade ferrochrome are used in large quantities as charge for smelting stainless steel (AOD or VOD method) to reduce production costs.
4.Medium and low-carbon ferrochrome are used to produce medium and low-carbon structural steel, carburizing steel, gears, high-pressure blower blades, valve plates, etc.
5.Micro-carbon ferro chrome is used to produce stainless steel, acid-resistant steel, heat-resistant steel and electric heating alloys.