Composition for hindering the formation of iron oxides in steel-melting slag and EAF scrap- based steelmaking process using the same

摘要

A composition comprising from 35 to 50 wt-% of C, from 10 to 20 wt-% of Al, from 25 to 40 wt-% of Al₂O₃, from 0 to 3 wt-% of CaO and from 0 to 3 wt-% of MgO, provided however that the combined amount of CaO and MgO is of from 1 to 6%. A process for preparing such composition as well as a process for using such composition in the melting of scrap iron in an electric furnace with the aim of decreasing iron losses due to oxidation and of lowering iron oxide content of steel melting slag.