Utilization of strontium aluminate in steelmaking

Details Utilization of strontium aluminate in steelmaking Utilization of strontium aluminate in steelmaking

1998-05-27

2000-04-18

Willis, Jr., Prince

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75329, 75570, 75684, C22B 520

Patent

active

060510498

ABSTRACT:
Novel utilizations of strontium aluminate, a by-product of the manufacture of strontium, are disclosed in connection with the art of steelmaking. It is useful as a synthetic slag covering for molten iron or steel, as well as in the foaming slag practice, as a backfilling material for spaces between the safety lining and the working lining of a ladle, as a major component for a blend from which are made pellets or briquettes useful as a slag conditioner, as an additive to calcium aluminate which has the effect of substantially lowering the melting point of calcium aluminate, as a tracer material to determine the source of impurities, and as a binder to recycle metal-containing dust.

REFERENCES:
patent: 3867133 (1975-02-01), Naguro et al.
patent: 4853034 (1989-08-01), Quigley
patent: 5106412 (1992-04-01), Bogan et al.
patent: 5407459 (1995-04-01), Breault et al.
Derwent Publication 1999-229924, Vayda, P. "Strontium Aluminate Used in Steelmaking.", May 1999.

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