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:
Dec. 23, 2025
Filed:
Dec. 04, 2019
Constellium Neuf-brisach, Biesheim, FR;
Estelle Muller, Grenoble, FR;
Gilles Guiglionda, Seyssinet-Pariset, FR;
Philipp Laboissiere, Colmar, FR;
Laurent Ferry, Mittelwih, FR;
CONSTELLIUM NEUF-BRISACH, Biesheim, FR;
Abstract
The invention is directed to a method for producing a 6xxx series aluminium sheet comprising the steps of homogenizing an ingot made from a 6XXX series aluminium alloy comprising in wt. % Si: 0.4-0.7, Mg: 0.2-0.4, Mn: 0.05-0.30, Fe: 0.03 to 0.4, Cu up to 0.3, Cr up to 0.05, Zn up to 0.15, Ti up to 0.1 wt %, rest aluminium and unavoidable impurities up to 0.05 each and 0.15 total, rough hot rolling on a reversible mill to a rough hot rolling exit thickness with a rough hot rolling exit temperature less than 420° C., finish hot rolling the ingot to a hot rolling final thickness with a tandem mill and coiling at the hot rolling final thickness with a hot rolling exit temperature less than 300° C., cold rolling to obtain a cold rolled sheet.