Process for stirring steel in a ladle with the aid of carbon dio

Details Process for stirring steel in a ladle with the aid of carbon dio Process for stirring steel in a ladle with the aid of carbon dio

1988-08-08

1990-01-02

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 513, 75 517, 75 593, 75 5922, C21C 532, C21C 534

Patent

active

048910635

ABSTRACT:
A killed steel is stirred in a ladle with the aid of gaseous carbon dioxide. Before the beginning of the stirring in the ladle, there is added to the quantity of deoxidizer usually employed, a supplementary quantity of deoxidizer in the molten metal, the rate of supply of carbon dioxide, bearing in mind the capacity of the ladle and the duration of the stirring, remaining less than or equal to the maximum rate of supply corresponding to the oxidation of the supplementary quantity of deoxidizer at the end of the stirring.

REFERENCES:
patent: 3575695 (1971-04-01), Miyashita
patent: 3729309 (1973-04-01), Kawawa
patent: 3971655 (1976-07-01), Takashima
patent: 4036635 (1977-07-01), Klapdar
patent: 4238227 (1980-12-01), Golas et al.
patent: 4456477 (1984-06-01), Masuda
Patent Abstracts of Japan, vol. 8, No. 273, Dec. 13, 1984.

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