Method for producing steel from sponge metal by using a gas plas

Details Method for producing steel from sponge metal by using a gas plas Method for producing steel from sponge metal by using a gas plas

1978-03-09

1980-05-20

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

C21C 552

Patent

active

042037603

ABSTRACT:
Method for producing steel from sponge metal with the use of a gas plasma in a melting vessel containing a metal bath. The sponge metal is fed into the melting vessel and is melted directly by the plasma without the addition of base or acid means. The slag produced from the melting of the sponge metal is removed continuously from the metal bath.

REFERENCES:
patent: 3558791 (1971-01-01), Grachev et al.
patent: 3753688 (1973-08-01), Cherny et al.
patent: 3771585 (1973-11-01), Ulrich
patent: 3843352 (1974-10-01), Ulrich
patent: 3964897 (1976-06-01), Langhammer
patent: 4083715 (1978-04-01), Langhammer

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