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Ferrosilicon nitride is a mixture of Si3N4 as the main component, accompanied by free iron, ferrosilicon nitride and a small amount of other components.
Use Of Ferric Silicon Nitride
Powdered silicon nitride is mainly used for large blast furnace taphole stemming, a small amount for iron groove material or other monolithic refractories.
Grainy ferrosilicon nitride is mainly used in oriented silicon steel or other steel grade with nitride to improve strength (e.g., HRB400 steel bar).