METHOD OF DEOXIDIZING KILLED STEEL

FIELD: steelmaking. SUBSTANCE: invention concerns out-of-furnace treatment of steel smelt by powder wire modifiers under bottom casting. According to invention, deoxidation of unkilled metal tapped into ladle is performed by graduated ends of powder wire modifiers. These ends are introduced into cen...

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Bibliographische Detailangaben
Hauptverfasser:	KOSTSOV S.V, MATVEEVSKIJ G.A, DEMIN JU.S, RUDNEV V.V, ANTIPOV B.F, MAZURIN V.V, POPKOV V.A
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Beschreibung
Zusammenfassung:	FIELD: steelmaking. SUBSTANCE: invention concerns out-of-furnace treatment of steel smelt by powder wire modifiers under bottom casting. According to invention, deoxidation of unkilled metal tapped into ladle is performed by graduated ends of powder wire modifiers. These ends are introduced into central drop gate and bottom guide plates when steel-casting composition is being prepared. EFFECT: considerably simplified and made less expensive deoxidation technology, improved ingot structure, and improved environmental condition. 1 tbl