logo

For the Inventor, By the Inventor

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 11913089 B1

PDFFull Text
Date of Patent:
Feb. 27, 2024

Filed:

Jul. 25, 2019

Low-density clad steel sheet having excellent strength and plateability, and manufacturing method therefor

Applicant:

Posco, Pohang-si, KR;

Inventors:

Min-Seo Koo, Gwangyang-si, KR;

Tae-Jin Song, Gwangyang-si, KR;

Assignee:

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

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Anthony M Liang

Int. Cl.
CPC ...
C21D 9/50 (2006.01); B32B 15/01 (2006.01); C21D 9/46 (2006.01); C21D 8/02 (2006.01); C21D 6/00 (2006.01); C22C 38/14 (2006.01); C22C 38/12 (2006.01); C22C 38/08 (2006.01); C22C 38/06 (2006.01); C22C 38/04 (2006.01); C22C 38/02 (2006.01); C22C 38/00 (2006.01); C23C 2/02 (2006.01);
U.S. Cl.
CPC ...
C21D 9/50 (2013.01); B32B 15/013 (2013.01); C21D 6/001 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 8/0205 (2013.01); C21D 8/0226 (2013.01); C21D 8/0236 (2013.01); C21D 8/0273 (2013.01); C21D 9/46 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/08 (2013.01); C22C 38/12 (2013.01); C22C 38/14 (2013.01); C23C 2/02 (2013.01); C23C 2/022 (2022.08); C23C 2/024 (2022.08); C21D 2211/001 (2013.01); C21D 2211/005 (2013.01);
Abstract

Provided is a density clad steel sheet having excellent strength and plateability, the clad steel sheet including a base metal, and a clad material provided at both sides of the base metal, wherein the base metal is a ferrite-austenitic duplex lightweight steel sheet comprising, by wt %, 0.3-0.7% of C, 2.0-9.0% of Mn, 4.5-8.0% of Al and the balance of Fe and inevitable impurities, and the clad material is a ferrite carbon steel comprising, by wt %, 0.0005-0.2% of C, 0.05-2.5% of Mn and the balance of Fe and inevitable impurities.

Find Patent Forward Citations

Koo, Min-Seo. (2024). Low-density clad steel sheet having excellent strength and plateability, and manufacturing method therefor (U.S. Patent No. 11913089). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11913089

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

Loading…