Calcium silicon (CaSi) is a silicon-calcium alloy made from silicon dioxide, lime, and coke in a strong reducing atmosphere at 1500-1800 degrees. Its main components are silicon and calcium, and it also contains impurities such as iron, aluminum, carbon, sulfur, and phosphorus in varying amounts.
Ferrochromium (FeCr) is an iron alloy composed of chromium and iron. It is produced by reducing chromite ore in an electric arc furnace. Ferrochromium is known for its high corrosion resistance, heat resistance, and hardness, so it has important applications in various industrial fields.
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