company news about Why is silicon calcium alloy often used as a deoxidizer for steelmaking?

Why is silicon calcium alloy often used as a deoxidizer for steelmaking?

As we all know, the main function of silicon calcium is to deoxidize and improve the fluidity of molten steel. It has been used in steelmaking casting for many years, but silicon calcium elements are relatively unstable and have many disadvantages, such as fast decay, large slag volume, light specific gravity, and high pollution. Silicon calcium alloy is an indispensable deoxidizer for steel mills. People in the industry should be very clear about this issue, so why is silicon calcium alloy often used as a steelmaking deoxidizer?

Silicon calcium alloy is a composite alloy material, mainly composed of silicon, calcium, iron and other trace elements. In the steelmaking industry, silicon calcium alloy is mainly used as a composite deoxidizer and desulfurizer. However, in addition to silicon calcium alloy, there are other types of steelmaking deoxidizers on the market, and the competition is very fierce, but silicon calcium alloy has not been greatly affected under such circumstances, and still relies on its own strength to win the recognition of many users.

Compared with other steelmaking deoxidizers, calcium and silicon in silicon-calcium alloy have strong affinity with oxygen, sulfur and nitrogen, so silicon-calcium alloy is a very suitable composite deoxidizer and desulfurizer. In steelmaking, by adding an appropriate amount of silicon-calcium alloy, in addition to achieving a good deoxidation effect, the deoxidation products produced at the same time are easy to float and discharge, which can quickly purify the molten steel and improve the quality of steel. Silicon-calcium alloy can deeply deoxidize molten steel during steelmaking, deoxidation is more thorough, and the calcium element has a better effect. It can improve the morphology of inclusions in molten steel, making slag removal easier and more convenient. In casting, the new silicon-calcium can improve the flow properties of molten iron and enable sufficient chemical reactions between elements.

The above is a brief description of silicon-calcium alloy. ZhenAn is an economic entity integrating assets and business production, dedicated to the research and development and production of ferroalloys and metals. Our company is mainly engaged in the production and sales of: ferrosilicon (blocks, granules, powders, balls, etc.), ferromanganese, spheroidizers, inoculants, carburizers, slag removers, silicon carbide, silicon-barium, silicon-barium-calcium, silicon-aluminum-barium-calcium, silicon-carbon alloys, silicon-aluminum-iron, ferrochrome and other metallurgical materials.

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