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Title:
GRAIN ORIENTED ELECTRICAL STEEL SHEET HAVING EXCELLENT CORE LOSS, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2014/104444
Kind Code:
A1
Abstract:
The present invention relates to a grain oriented electrical steel sheet having excellent core loss and to a method for manufacturing same. The electrical steel sheet according to one aspect of the present invention may have a composition comprising, by weight%, Si: 1.0 to 4.0%, Al: 0.1 to 4.0%, and a rare earth element: 0.0001 to 0.5% by the total content of the whole rare earth element.

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Inventors:
HONG BYUNG-DEUG (KR)
KIM DONG-KYUN (KR)
Application Number:
PCT/KR2012/011749
Publication Date:
July 03, 2014
Filing Date:
December 28, 2012
Export Citation:
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Assignee:
POSCO (KR)
International Classes:
C22C38/00; C21D8/12; C21D9/46; C22C38/06
Foreign References:
KR20060003367A2006-01-10
KR20020044243A2002-06-15
KR20020044244A2002-06-15
JP2005264280A2005-09-29
JP2008285721A2008-11-27
Other References:
See also references of EP 2940170A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (Daelim Acrotel13 Eonju-ro 30-gil,Gangnam-gu, Seoul 135-971, KR)
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