AISTech 2022

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Highest Yields and Lowest Conversion Costs for Stainless Steel Operations (Room 310)

Due to the absence of exothermic oxygen reactions, artificial slag formation or electric arc plasma, alloy yields of inductive melting are 96-100%. Melt production from newly developed induction furnaces increases up to 800,000 t/year to feed large argon oxygen decarburization converters. However, even small units are economically attractive, e.g., to increase the yield of nickel or ferroalloys. Metallurgic and thus economical benefits are described, referencing to running applications and recent improvements: (1) Induction furnace as sole primary melting furnace, (2) Primary melting shared between the electric arc furnace and induction furnace, and (3) Melting of alloys (e.g., FeCr; Ni; FeMn, FeMo) and their addition into carbon melt.