ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD OF THE SAME

• Main Authors: PARK, JUNE SOO, YANG, IL NAM, SONG, DAE HYUN
• Format: Patent
• Language: English; Korean
• Published: 04.07.2019
• Subjects: 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

Disclosed is a grain-oriented electrical steel sheet and, more specifically, to a grain-oriented electrical steel sheet and a manufacturing method thereof, wherein the grain-oriented electrical steel sheet has low core loss and improved magnetic flux density. The grain-oriented electrical steel sheet comprises: 2.0-6.0 wt% of Si; 0.005 wt% or less (excluding 0 wt%) of C; 0.001-0.05 wt% of N; 0.005-0.1 wt% of Co; and the remainder consisting of Fe and other inevitable impurities. 중량%로, Si: 2.0 내지 6.0%, C: 0.005% 이하(0%를 제외함), N: 0.001 내지 0.05%, Co: 0.005 내지 0.1%, 잔부 Fe 및 불가피한 불순물을 포함하는 방향성 전기강판이 소개된다.