Method for refining a molten steel in vacuum

Details Method for refining a molten steel in vacuum Method for refining a molten steel in vacuum

1976-11-24

1978-01-31

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 49, 75 60, C21C 710, C21C 534

Patent

active

040713563

ABSTRACT:
A method for refining a molten steel in vacuum, which comprises blowing a non-oxidizing gas or a non-oxidizing gas together with an oxidizing gas into a bath of the molten steel in a refining vessel of a R-H vacuum degassing apparatus at a position between the bath surface and a bath depth of 50 cm (inclusive) from the bath surface in an almost horizontal direction.

REFERENCES:
patent: 3574596 (1971-04-01), Lohman
patent: 3689046 (1972-09-01), De Bie
patent: 3798025 (1974-03-01), Ramachandran
patent: 3854932 (1974-12-01), Bishop
patent: 3980469 (1976-09-01), Forster

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