GRAIN-ORIENTED ELECTRIC STEEL SHEET AND MANUFACTURING METHOD THEREFOR

A grain-oriented electrical steel sheet according to an embodiment of the present invention includes: Si at 2.0 to 6.0 wt%, Mn at 0.12 to 1.0 wt%, Sb at 0.01 to 0.05 wt%, Sn at 0.03 to 0.08 wt%, Cr at 0.01 to 0.2 wt%, and the balance of Fe and inevitable impurities, and satisfies Formula 1 below.4×[...

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Bibliographische Detailangaben
Hauptverfasser:	YANG, Il-Nam, PARK, June Soo, SONG, Dae-Hyun
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A grain-oriented electrical steel sheet according to an embodiment of the present invention includes: Si at 2.0 to 6.0 wt%, Mn at 0.12 to 1.0 wt%, Sb at 0.01 to 0.05 wt%, Sn at 0.03 to 0.08 wt%, Cr at 0.01 to 0.2 wt%, and the balance of Fe and inevitable impurities, and satisfies Formula 1 below.4×[Cr]−0.1×[Mn]≥0.5×([Sn]+[Sb]) [Formula 1](In Formula 1, [Cr], [Mn], [Sn], and [Sb] represent contents (wt%) of Cr, Mn, Sn, and Sb, respectively.)