Compositions and methods for desulphurizing molten ferrous metal

Details Compositions and methods for desulphurizing molten ferrous metal Compositions and methods for desulphurizing molten ferrous metal

1979-06-13

1980-08-12

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 53, 75257, C22B 910, C21C 702

Patent

active

042171342

ABSTRACT:
Compositions comprising 50-75% w/w of lime, 20-30% w/w of fluorspar (CaF.sub.2), and up to 20% w/w of ground aluminum, and methods to desulphurize molten ferrous metals, notably molten steels, by adding said compositions to molten ferrous metals in the ladle, but more preferably, by injecting the composition in particulate form into the molten body of ferrous metals, e.g., molten steels.

REFERENCES:
patent: 3964200 (1976-06-01), Krupman
patent: 3964899 (1976-06-01), Jones
patent: 4014685 (1977-03-01), Jones
patent: 4039320 (1977-08-01), Uemura
patent: 4137072 (1979-01-01), Kawakami

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