METHOD OF MAKING STEEL FOR METAL CORD

FIELD: metallurgy; production of metal cords. ^ SUBSTANCE: proposed method includes melting of iron-carbon melt containing at least 0.20 mass-% of carbon in steel-melting unit, tapping non-deoxidized metal into teeming ladle with main lining and porous plug for blowing with argon, preliminary deoxid...

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Bibliographische Detailangaben
Hauptverfasser:	TRUFANOV JU.V, GONTARUK E.I, FEOKTISTOV JU.V, SIDOROV V.P, DAVYDOV A.V, UGAROV A.A, SHLJAKHOV N.A, POTAPOV I.V, PIKULIN V.A, FOMIN V.I, LEKHTMAN A.A, KULICHEV L.A, FETISOV V.P
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Beschreibung
Zusammenfassung:	FIELD: metallurgy; production of metal cords. ^ SUBSTANCE: proposed method includes melting of iron-carbon melt containing at least 0.20 mass-% of carbon in steel-melting unit, tapping non-deoxidized metal into teeming ladle with main lining and porous plug for blowing with argon, preliminary deoxidation of melt by carbon-containing materials and ferroalloys at tapping into teeming ladle, addition of slag-forming mass into ladle, vacuum carbon deoxidation in ladle to steel quality level, final correction of steel by chemical composition and temperature at "furnace-ladle" set and continuous teeming. Preliminary deoxidation of melt is performed by means of carbon-containing material at content of carbon no less than 99% and ferromanganese at content of manganese above 70% and that of silicon below 6%; after vacuum carbon deoxidation, silicon-containing ferroalloys are added. ^ EFFECT: enhanced purity of steel by non-metallic inclusions, especially by alumo-silicates and calcium alumo-silicate at content of aluminum oxide above 50%. ^ 2 tbl, 1 ex