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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 12272474 B1

PDFFull Text
Date of Patent:
Apr. 08, 2025

Filed:

Dec. 16, 2021

Non-oriented electrical steel sheet and manufacturing method therefor

Applicant:

Posco Co., Ltd, Pohang-si, KR;

Inventors:

Jaewan Hong, Pohang-si, KR;

Hyungdon Joo, Pohang-si, KR;

Junesoo Park, Pohang-si, KR;

Assignee:

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

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Seth Dumbris

Int. Cl.
CPC ...
H01F 1/147 (2006.01); C21D 6/00 (2006.01); C21D 8/12 (2006.01); C21D 9/46 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/14 (2006.01);
U.S. Cl.
CPC ...
H01F 1/14791 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 8/1222 (2013.01); C21D 8/1233 (2013.01); C21D 8/1261 (2013.01); C21D 9/46 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/004 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/14 (2013.01); C21D 2211/005 (2013.01); C22C 2202/02 (2013.01);
Abstract

A non-oriented electrical steel sheet according to an exemplary embodiment of the present invention contains, by wt %, 0.005% or less (excluding 0%) of C, 1.2 to 2.7% of Si, 0.4 to 2.0% of Mn, 0.005% or less (excluding 0%) of S, 0.3% or less (excluding 0%) of Al, 0.005% or less (excluding 0%) of N, 0.005% or less (excluding 0%) of Ti, and a balance of Fe and inevitable impurities, wherein the non-oriented electrical steel sheet satisfies the following Expression 1, and a volume fraction of grains having an angle of 15° or less between a {112} plane and a rolling plane in the steel sheet is 40 to 60%.

Find Patent Forward Citations

Hong, Jaewan. (2025). Non-oriented electrical steel sheet and manufacturing method therefor (U.S. Patent No. 12272474). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12272474

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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