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:
Nov. 25, 2025
Filed:
Apr. 13, 2022
Constellium Rolled Products Ravenswood, Llc, Ravenswood, WV (US);
Jack Franklin, Plymouth, MI (US);
Dale Baumgartner, Ravenswood, WV (US);
Michael Philbrook, Ravenswood, WV (US);
Denise Brandt, Parkersburg, WV (US);
Timothy Jackson, Portland, OH (US);
Abstract
The disclosure relates to an aluminum alloy plate having a final thickness of 3 inch or more, and a method for manufacturing same. In the method, an aluminum alloy with a chemical composition of in weight percent: Mg 4.0 to 5.2, Mn 0.4 to 1.0, Zn≤0.3, Zr≤0.3, Cr≤0.3, Ti≤0.3, Fe<0.50, Si<0.45, Cu<0.25, other elements and unavoidable impurities each <0.05 total <0.20 balance aluminum, is cast, preheated and/or homogenized, hot rolled, cold rolled with a cold rolling reduction of 3 to 10%, and stretched directly after cold rolling with a permanent elongation of 0.7 to 5% in the direction of stretching.