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.:
Date of Patent:
Apr. 21, 2026
Filed:
Dec. 20, 2022
Applicant:
Arcelormittal, Luxembourg, LU;
Inventors:
Jean-Michel Mataigne, Senlis, FR;
Didier Dauchelle, Creil, FR;
Florence Bertrand, Scy Chazelles, FR;
Assignee:
ArcelorMittal, Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 2/06 (2006.01); B32B 15/01 (2006.01); B32B 15/04 (2006.01); B32B 15/18 (2006.01); B32B 15/20 (2006.01); C21D 1/04 (2006.01); C21D 7/00 (2006.01); C21D 7/02 (2006.01); C21D 7/04 (2006.01); C21D 7/13 (2006.01); C21D 8/00 (2006.01); C21D 8/02 (2006.01); C21D 8/0221 (2026.01); C21D 8/0247 (2026.01); C21D 8/04 (2006.01); C23C 2/00 (2006.01); C23C 2/02 (2006.01); C23C 2/04 (2006.01); C23C 2/16 (2006.01); C23C 2/20 (2006.01); C23C 2/26 (2006.01); C23C 2/34 (2006.01); C23C 2/40 (2006.01); C23C 30/00 (2006.01);
U.S. Cl.
CPC ...
C23C 2/06 (2013.01); B32B 15/013 (2013.01); B32B 15/04 (2013.01); B32B 15/043 (2013.01); B32B 15/18 (2013.01); B32B 15/20 (2013.01); C21D 7/00 (2013.01); C21D 7/02 (2013.01); C21D 7/04 (2013.01); C21D 7/13 (2013.01); C21D 8/005 (2013.01); C21D 8/0205 (2013.01); C21D 8/0221 (2013.01); C21D 8/0226 (2013.01); C21D 8/0231 (2013.01); C21D 8/0236 (2013.01); C21D 8/0247 (2013.01); C21D 8/0252 (2013.01); C21D 8/0263 (2013.01); C21D 8/04 (2013.01); C21D 8/0405 (2013.01); C21D 8/0421 (2013.01); C21D 8/0426 (2013.01); C21D 8/0431 (2013.01); C21D 8/0436 (2013.01); C21D 8/0447 (2013.01); C21D 8/0452 (2013.01); C23C 2/02 (2013.01); C23C 2/0222 (2022.08); C23C 2/0224 (2022.08); C23C 2/04 (2013.01); C23C 2/16 (2013.01); C23C 2/20 (2013.01); C23C 2/26 (2013.01); C23C 2/261 (2022.08); C23C 2/34 (2013.01); C23C 2/40 (2013.01); C23C 2/52 (2022.08); C23C 30/00 (2013.01); C23C 30/005 (2013.01); Y10T 428/12229 (2015.01); Y10T 428/12389 (2015.01); Y10T 428/1241 (2015.01); Y10T 428/12556 (2015.01); Y10T 428/12569 (2015.01); Y10T 428/12792 (2015.01); Y10T 428/12799 (2015.01); Y10T 428/12972 (2015.01); Y10T 428/12979 (2015.01); Y10T 428/12993 (2015.01); Y10T 428/24942 (2015.01); Y10T 428/2495 (2015.01); Y10T 428/26 (2015.01); Y10T 428/263 (2015.01); Y10T 428/264 (2015.01); Y10T 428/265 (2015.01);
Abstract
A coated metal sheet includes a steel substrate and a coating on at least one surface of the steel substrate. The coating includes between 0.2 and 0.7% by weight of Al, with a remainder of the metal coating being Zn and inevitable impurities. The coated metal sheet was subjected to a skin pass operation after coating. An outer surface of the metal coating has a waviness Waof less than or equal to 0.55 μm.