METHOD FOR ADDING ZINC TO MOLTEN STEEL AND PROCESS FOR PRODUCING ZINC-CONTAINING STEEL

A method is provided by which it is possible to easily add zinc to a molten steel in high yield. The method for adding zinc to a molten steel comprises supplying a composite oxide of Zn with Al and/or Si to a molten steel. The method for adding zinc to a molten steel may further includes supplying t...

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Bibliographische Detailangaben
Hauptverfasser:	SATOH NAOYA, TANIGUCHI TORU, INTOH YUUKI, KATAOKA KOUTA, MIKI TAKAHIRO, FUKUSHIMA HIDEKO, AYABE YOUSUKE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A method is provided by which it is possible to easily add zinc to a molten steel in high yield. The method for adding zinc to a molten steel comprises supplying a composite oxide of Zn with Al and/or Si to a molten steel. The method for adding zinc to a molten steel may further includes supplying the oxide of Ca to the molten steel. The molten steel preferably is a molten steel for a hot work tool steel. A process for producing a zinc-containing steel is also provided in which the molten steel to which zinc has been added by the method for adding zinc to a molten steel is cast. The cast zinc-containing steel preferably has a Zn content of 0.001 mass% or higher.