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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 12612674 B1

PDFFull Text
Date of Patent:
Apr. 28, 2026

Filed:

Nov. 30, 2022

Steel plate having high strength and excellent impact toughness after deformation, and method for manufacturing same

Applicant:

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

Inventors:

Woo-Gyeom Kim, Pohang-si, KR;

Sang-Ho Kim, Pohang-si, KR;

Young-Sub Byun, Pohang-si, KR;

Assignee:

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

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Jophy S Koshy

Int. Cl.
CPC ...
C22C 38/02 (2006.01); C21D 1/84 (2006.01); C21D 6/00 (2006.01); C21D 8/02 (2006.01); C21D 8/0221 (2026.01); C21D 8/0247 (2026.01); C21D 9/46 (2006.01); C22C 38/00 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/44 (2006.01); C22C 38/48 (2006.01); C22C 38/50 (2006.01); C22C 38/58 (2006.01);
U.S. Cl.
CPC ...
C21D 9/46 (2013.01); C21D 1/84 (2013.01); C21D 6/004 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 8/0205 (2013.01); C21D 8/0226 (2013.01); C21D 8/0263 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/44 (2013.01); C22C 38/48 (2013.01); C22C 38/50 (2013.01); C22C 38/58 (2013.01); C21D 2211/005 (2013.01);
Abstract

The present invention pertains to a steel plate and a method for manufacturing same. More specifically, the present invention pertains to a steel plate having high strength and excellent impact toughness after deformation, and a method for manufacturing same. A steel plate that has excellent strength and low-temperature impact toughness and may be applied as an extremely thick steel material for offshore wind power, and may also be used as a structural steel material for infrastructure industries such as construction and bridges, and a manufacturing method therefor may be provided.

Find Patent Forward Citations

Kim, Woo-Gyeom. (2026). Steel plate having high strength and excellent impact toughness after deformation, and method for manufacturing same (U.S. Patent No. 12612674). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12612674

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

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