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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11773463 B1

PDFFull Text
Date of Patent:
Oct. 03, 2023

Filed:

May. 16, 2018

Non-oriented electrical steel sheet and method for preparing same

Applicant:

Posco, Pohang-si, KR;

Inventors:

Jae-Hoon Kim, Pohang-si, KR;

Wonjin Kim, Pohang-si, KR;

Yong-Soo Kim, Pohang-si, KR;

Su-Yong Shin, Pohang-si, KR;

Assignee:

POSCO CO., LTD, Pohang-si, KR;

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Jophy S Koshy

Int. Cl.
CPC ...
C22C 38/06 (2006.01); C21D 9/46 (2006.01); C21D 6/00 (2006.01); C21D 8/00 (2006.01); C21D 8/12 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); H01F 1/147 (2006.01);
U.S. Cl.
CPC ...
C21D 9/46 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 8/005 (2013.01); C21D 8/1222 (2013.01); C21D 8/1233 (2013.01); C21D 8/1272 (2013.01); C22C 38/002 (2013.01); C22C 38/005 (2013.01); C22C 38/008 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); H01F 1/147 (2013.01);
Abstract

A non-oriented electrical steel sheet according to an exemplary embodiment of the present invention includes at least one of 2.0 to 3.5% of Si, 0.3 to 3.5% of Al, 0.2 to 4.5% of Mn, 0.0030 to 0.2% of Sn, 0.0030 to 0.15% of Sb, 0.0040 to 0.18% of P, 0.0005 to 0.02% of Zn, and 0.0005 to 0.01% of Y for wt %, a remainder of Fe, and inevitable impurities, and satisfying Formula 1:0.05≤([Sn]+[Sb])/[P]≤25  [Formula 1](here, [Sn], [Sb], and [P] represent contents (wt %) of Sn, Sb, and P.)

Find Patent Forward Citations

Kim, Jae-Hoon. (2023). Non-oriented electrical steel sheet and method for preparing same (U.S. Patent No. 11773463). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11773463

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