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Fried Krupp Grusonwerk AG
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Fried Krupp Grusonwerk AG
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Application filed by Fried Krupp Grusonwerk AGfiledCriticalFried Krupp Grusonwerk AG
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Publication of FR812901ApublicationCriticalpatent/FR812901A/fr
C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
C21C7/04—Removing impurities by adding a treating agent
C—CHEMISTRY; METALLURGY
C21—METALLURGY OF IRON
C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
C21C7/04—Removing impurities by adding a treating agent
C21C7/064—Dephosphorising; Desulfurising
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FR812901D1936-01-101936-11-04Procédé pour éliminer le soufre, l'arsenic et d'autres constituants nuisibles à partir de fer et d'alliages de fer
ExpiredFR812901A
(fr)