Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1979-05-11
1981-01-27
Rosenberg, P. D.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 58, 75129, 75130R, 75130A, 266216, C21C 700
Patent
active
042473241
ABSTRACT:
Substances such as deoxidizing and desulfurizing substances are introduced into liquid metal such as molten iron or steel, by forming layers of active material such as an alkali or alkaline earth metal or an oxide or halide thereof, is interlayered with inert material, in a metallic casing. The inert material may be iron or steel or a metallic oxide that is inert to the bath. The composite is immersed in the bath, thereby gradually to add the deoxidizing and/or desulfurizing materials to the bath.
REFERENCES:
patent: 2662008 (1953-12-01), Stone
patent: 2915386 (1959-12-01), Strauss
patent: 2988444 (1961-06-01), Hurum
patent: 3853308 (1974-12-01), Rocher
patent: 3902705 (1975-09-01), Easwaran
Guarino Giovanni
Praitoni Alberto
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