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US 4,049,442 AGranted
Composition for desulfurizing iron melts
AssigneeSuddeutsche Kalkstickstoff-Werke Aktiengesellschaft
InventorsAlfred Freissmuth, Walter Heinl, Herbert Knahl, Erich Pfluger
Life of this patent
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Abstract
Iron melts, particularly iron melts made by the torpedo ladle method, can be efficiently desulfurized by adding thereto a mixture of calcium carbide and diamide lime wherein the content of diamide lime is from 40 to 70% by weight of the desulfurizing composition.
Claims8
Composition for desulfurizing iron melts in torpedo ladles, comprising a mixture of calcium carbide and diamide line in which the content of diamide lime is from more than 40% by weight up to 70% by weight of the mixture.
Dependencies are inferred from the claim text.