CONTINUOUS CASTING METHOD OF STEEL

PROBLEM TO BE SOLVED: To provide a continuous casting method of steel, which method can improve the quality of a cast slab by reducing bubbles of Ar gas and enclosures included in the cast slab produced by the continuous casting. SOLUTION: In the continuous casting method of steel, molten steel 4 is...

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Bibliographische Detailangaben
Hauptverfasser:	KUSUNOKI SHINTARO, FUJI TAKEHIKO, GOTO OSAMU, WAKAO MASAMITSU, HAYAKAWA MASANOBU, SATO TAKAHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a continuous casting method of steel, which method can improve the quality of a cast slab by reducing bubbles of Ar gas and enclosures included in the cast slab produced by the continuous casting. SOLUTION: In the continuous casting method of steel, molten steel 4 is discharged from an immersed nozzle 3 having a discharge angle θ satisfying the formula shown. A whirling flow 11 is formed in the meniscus in a casting mold 2 by means of an electromagnetic stirring device 10. A DC magnetic field having a magnetic flux density of 0.1 tesla or higher is applied to the molten steel 4 discharged from the immersed nozzle 3 by means of an electromagnetic brake device. COPYRIGHT: (C)2009,JPO&INPIT