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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 12378627 B1

PDFFull Text
Date of Patent:
Aug. 05, 2025

Filed:

Dec. 13, 2023

Galvannealed steel sheet

Applicant:

Arcelormittal, Luxembourg, LU;

Inventors:

David Zapico Alvarez, Metz, FR;

Florence Bertrand, Scy-Chazelles, FR;

Joris Giroux, Metz, FR;

Assignee:

ArcelorMittal, Luxembourg, LU;

Attorney:

Davidson Kappel LLC

Primary Examiner:

Danielle M Carda

Int. Cl.
CPC ...
C21D 9/46 (2006.01); B32B 15/01 (2006.01); C21D 1/26 (2006.01); C21D 1/76 (2006.01); C21D 6/00 (2006.01); C21D 9/00 (2006.01); C21D 9/56 (2006.01); C21D 9/573 (2006.01); C22C 18/04 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/06 (2006.01); C22C 38/14 (2006.01); C22C 38/38 (2006.01); C22C 38/42 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01); C22C 38/48 (2006.01); C22C 38/50 (2006.01); C22C 38/54 (2006.01); C22C 38/58 (2006.01); C23C 2/00 (2006.01); C23C 2/02 (2006.01); C23C 2/04 (2006.01); C23C 2/06 (2006.01); C23C 2/26 (2006.01); C23C 2/28 (2006.01); C23C 2/40 (2006.01); C21D 1/74 (2006.01); C23C 28/00 (2006.01);
U.S. Cl.
CPC ...
C21D 9/46 (2013.01); B32B 15/013 (2013.01); C21D 1/26 (2013.01); C21D 1/76 (2013.01); C21D 6/002 (2013.01); C21D 6/004 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 9/0062 (2013.01); C21D 9/561 (2013.01); C21D 9/573 (2013.01); C22C 18/04 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/06 (2013.01); C22C 38/14 (2013.01); C22C 38/38 (2013.01); C22C 38/42 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01); C22C 38/48 (2013.01); C22C 38/50 (2013.01); C22C 38/54 (2013.01); C22C 38/58 (2013.01); C23C 2/0038 (2022.08); C23C 2/02 (2013.01); C23C 2/0224 (2022.08); C23C 2/024 (2022.08); C23C 2/04 (2013.01); C23C 2/06 (2013.01); C23C 2/261 (2022.08); C23C 2/28 (2013.01); C23C 2/40 (2013.01); C21D 1/74 (2013.01); C21D 2201/02 (2013.01); C21D 2211/001 (2013.01); C21D 2211/002 (2013.01); C21D 2211/004 (2013.01); C21D 2211/005 (2013.01); C21D 2211/008 (2013.01); C23C 28/321 (2013.01); C23C 28/345 (2013.01);
Abstract

A galvannealed steel sheet obtainable by a method including the provision of a specific steel sheet, a recrystallization annealing with specific heating, soaking and cooling sub-steps using an inert gas, a hot-dip galvanizing and an alloying treatment, wherein the zinc coating is alloyed through diffusion of the iron from the steel sheet such that the zinc coating includes from 5 to 15% by weight of Fe, oxides including FeO, Mn2SiO4 and MnO, the balance being zinc, the steel sheet including internal oxides including FeO, Mn2SiO4 and MnO in the steel sheet.

Find Patent Forward Citations

Zapico Alvarez, David. (2025). Galvannealed steel sheet (U.S. Patent No. 12378627). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12378627

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

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