Method of desulfurization in vacuum processing of steel

Details Method of desulfurization in vacuum processing of steel Method of desulfurization in vacuum processing of steel

1992-09-03

1993-07-20

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

C21C 702

Patent

active

052289028

ABSTRACT:
A method for desulfurizing molten steel while the steel is subjected to a vacuum dehydrogenation treatment, comprising adding to the steel in a vacuum chamber a desulfurizing agent in lump form and comprising, by weight percent, about 50% CaO, about 38% CaF.sub.2, and about 10% MgO.

REFERENCES:
patent: 4277279 (1981-07-01), Kerlin et al.
patent: 4341554 (1982-07-01), Koros et al.
patent: 4517015 (1985-05-01), Inaba et al.
patent: 4661151 (1987-04-01), Endoh et al.
patent: 4944798 (1990-07-01), Otatani

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