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What is the application range of ferrosilicon nitride?

Ferrosilicon nitride is a mixed substance with Si3N4 as the main component, along with dispersed iron, non-ferrosilicon nitride and a few other chemical components. Ferrosilicon nitride used for ironmaking is gray-white granular material. Powdered ferrosilicon nitride is mainly used in the plugging mud of large blast furnaces, and a little is used in trench materials or other amorphous refractory insulation materials. Granular ferrosilicon nitride is mainly used in oriented silicon steel or other steel grades that use nitrogen compounds to improve compressive strength (such as HRB400 construction steel bars).

Ferrosilicon nitride is widely used in blast furnace mud in capitalist countries, which greatly improves the clogging performance of the mud, meets the needs of blast furnace tapping, and becomes an indispensable ingredient for intelligent large blast furnace mud.

In addition, a small amount of ferrosilicon nitride is added to the iron trench material to increase the iron flow rate of the iron trench. At the ironmaking level, granular ferrosilicon nitride is used in the production of oriented silicon steel, which can relatively stably fill a certain amount of nitrogen into molten steel.

The development of smelting technology has enabled the rapid development of high-toughness micro-solid solution strengthened steel production.

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