Steelmaking additive composition

Details Steelmaking additive composition Steelmaking additive composition

1982-09-30

1983-11-29

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

75 53, 75 58, C22B 910

Patent

active

044179243

ABSTRACT:
Steelmaking additive compositions and process of use, said compositions providing flux solubilization, desulfurization and/or removal of inclusions. The compositions comprise from about 25 to 50 wt % lime and about 75 to 50 wt % calcium aluminate; alternatively, the compositions comprise from about 40 to 70 wt % CaO, 20 to 50 wt % Al.sub.2 O.sub.3 and 0 to 30 wt % MgO. The process consists of the addition, in the course of steelmaking utilizing electric furnace, basic oxygen furnace, AOD furnace or open hearth furnace means, of the steelmaking additive compositions of the invention to either the furnace, ladle and/or tundish.

REFERENCES:
patent: 3893846 (1975-07-01), Takashima
patent: 3964900 (1976-06-01), Krupman

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