NON-ORIENTED AND THIN ELECTRICAL STEEL SHEET HAVING EXCELLENT MAGNETIC PROPERTIES AND SHAPES AND METHOD FOR MANUFACTURING SAME

Title:

NON-ORIENTED AND THIN ELECTRICAL STEEL SHEET HAVING EXCELLENT MAGNETIC PROPERTIES AND SHAPES AND METHOD FOR MANUFACTURING SAME

Document Type and Number:

WIPO Patent Application WO/2019/132420

Kind Code:

A1

Abstract:

An embodiment of the present invention provides a non-oriented and thin electrical steel sheet having excellent magnetic properties and shapes, the electrical steel sheet comprising: 0.0005 to 0.01 wt% of C; 0.5 to 2.5 wt% of Si; 0.03 to 1.0 wt% of Al; 0.03 to 1.0 wt% of Mn; 0.0005 to 0.01 wt% of Ti; 0.001 to 0.01 wt% of N; and the balance being Fe and other unavoidable impurities, wherein the average grain size of ferrite is 25 to 80 ㎛.

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Inventors:

KONG JONG-PAN (KR)
CHUNG JEA-SOOK (KR)
LEE SE-IL (KR)

Application Number:

PCT/KR2018/016350

Publication Date:

July 04, 2019

Filing Date:

December 20, 2018

Export Citation:

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Assignee:

POSCO (KR)

International Classes:

C21D8/12; C22C38/00; C22C38/02; C22C38/04; C22C38/06; C22C38/14

Foreign References:

KR20060074650A	2006-07-03
KR100707503B1	2007-04-16
KR20140081048A	2014-07-01
KR20070003918A	2007-01-05
KR20030030032A	2003-04-16

Attorney, Agent or Firm:

C&S PATENT AND LAW OFFICE (KR)

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