ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

An oriented electrical steel sheet according to an exemplary embodiment of the present invention includes C: 0.01% or less (excluding 0%), Si: 2.0%-4.0%, Mn: 0.01%-0.20%, acid soluble Al: 0.040% or less (excluding 0%), N: 0.008% (excluding 0%), S: 0.008% (excluding 0%), Se: 0.0001-0.008%, Cu: 0.002-...

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Bibliographic Details
Main Authors Han, Kyu-Seok, Kim, Jae, Kim, Seung Il, Koo, Joo Young, Yu, Seon Young, Park, Chang Soo
Format Patent
LanguageEnglish
Published 10.02.2022
Subjects
ALLOYS
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS
INDUCTANCES
MAGNETS
MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS
METALLURGY
METALLURGY OF IRON
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:An oriented electrical steel sheet according to an exemplary embodiment of the present invention includes C: 0.01% or less (excluding 0%), Si: 2.0%-4.0%, Mn: 0.01%-0.20%, acid soluble Al: 0.040% or less (excluding 0%), N: 0.008% (excluding 0%), S: 0.008% (excluding 0%), Se: 0.0001-0.008%, Cu: 0.002-0.1%, Ni: 0.005-0.1%, Cr: 0.005-0.1%, P: 0.005%-0.1% and Sn: 0.005%-0.20%, one or more among Sb: 0.0005%-0.10%, Ge: 0.0005%-0.10%, As: 0.0005%-0.10%, Pb: 0.0001%-0.10%, Bi: 0.0001%-0.10% and Mo: 0.001-0.1% as wt %, and consisting of the balance of Fe and other inevitable impurities, and after final secondary recrystallization, a magnetic flux density B8 is 1.92 Tesla or more.
Bibliography:Application Number: US201917415814