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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 12435404 B1

PDFFull Text
Date of Patent:
Oct. 07, 2025

Filed:

Dec. 11, 2020

Aluminum alloy-plated steel sheet, hot-formed member, and methods for manufacturing aluminum alloy-plated steel sheet and hot-formed member

Applicant:

Posco, Pohang-si, KR;

Inventors:

Hyeon-Seok Hwang, Gwangyang-si, KR;

Suk-Kyu Lee, Gwangyang-si, KR;

Jong-Gi Oh, Gwangyang-si, KR;

Kwang-Tai Min, Gwangyang-si, KR;

Dong-Seok Shin, Gwangyang-si, KR;

Assignee:

POSCO, Pohang-si, KR;

Attorney:

Morgan Lewis & Bockius LLP

Primary Examiner:

Sally A Merkling

Assistant Examiner:

Danny N Kang

Int. Cl.
CPC ...
C23C 2/12 (2006.01); C22C 21/10 (2006.01); C22C 38/00 (2006.01); C22C 38/04 (2006.01); C22C 38/14 (2006.01); C23C 2/28 (2006.01); C23C 2/40 (2006.01);
U.S. Cl.
CPC ...
C23C 2/12 (2013.01); C22C 21/10 (2013.01); C22C 38/002 (2013.01); C22C 38/04 (2013.01); C22C 38/14 (2013.01); C23C 2/28 (2013.01); C23C 2/29 (2022.08); C23C 2/40 (2013.01); C21D 2211/002 (2013.01); C21D 2211/005 (2013.01); C21D 2211/008 (2013.01);
Abstract

Embodiments of the present disclosure provides an aluminum alloy-plated steel sheet having high surface quality and weldability, a hot-formed member, and methods for manufacturing the aluminum alloy-plated steel sheet and the hot-formed member. The aluminum alloy-plated steel sheet includes: a base steel sheet; and an aluminum alloy plating layer formed on the base steel sheet, wherein the aluminum alloy plating layer includes, by weight %, Zn: 21% to 35%, Si: 1% to 6.9%, Fe: 2% to 12%, and the balance of Al and inevitable impurities.

Find Patent Forward Citations

Hwang, Hyeon-Seok. (2025). Aluminum alloy-plated steel sheet, hot-formed member, and methods for manufacturing aluminum alloy-plated steel sheet and hot-formed member (U.S. Patent No. 12435404). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12435404

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

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