Method and composition for foaming slag in electric arc furnace

Details Method and composition for foaming slag in electric arc furnace Method and composition for foaming slag in electric arc furnace

1983-06-27

1984-05-08

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

75 53, C21C 700, C22B 910

Patent

active

044472650

ABSTRACT:
A slag-foaming composition and process for use in electric arc furnace steelmaking. The compositions comprise from about 15 to 80 wt % of a carbon source, the remainder consisting substantially of a source of an oxide of calcium; alternatively, the compositions comprise from about 15 to 30 wt % of a carbon source, the remainder consisting substantially of dolomite lime. The process consists of the addition, in the course of steelmaking using an electric arc furnace, of the steelmaking additive compositions of the invention to the charge subsequent to the initial scrap steel melt down.

REFERENCES:
patent: 4225347 (1980-09-01), Diskowski
patent: 4248631 (1981-02-01), More

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