Process for decarburizing ferro-manganese

Details Process for decarburizing ferro-manganese Process for decarburizing ferro-manganese

1978-12-28

1980-03-11

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 59, C21C 534

Patent

active

041926757

ABSTRACT:
Ferro-manganese is decarburized from a carbon content of as high as 7.5% down to 2% or less by blowing an oxidizing gas into the melt in two stages through one or more immersed tuyeres protected with a peripheral fluid introduced into said tuyeres, utilizing temperatures between 1650.degree. and 1750.degree. C.

REFERENCES:
patent: 3330645 (1967-07-01), DeMoustier
patent: 3706549 (1972-12-01), Knuppel
patent: 3751242 (1973-08-01), Knuppel
patent: 3990888 (1976-11-01), Eriksson
patent: 4021233 (1977-05-01), Johnson

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