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.

Date of Patent:
Dec. 07, 2021

Filed:

Nov. 13, 2017
Applicant:

Aleris Rolled Products Germany Gmbh, Koblenz, DE;

Inventors:

Andreas Harald Bach, Koblenz, DE;

Bernd Jacoby, Limburg, DE;

Achim Bürger, Höhr-Grenzhausen, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22F 1/047 (2006.01); C22C 21/08 (2006.01);
U.S. Cl.
CPC ...
C22F 1/047 (2013.01); C22C 21/08 (2013.01);
Abstract

A method of manufacturing a rolled wear-resistant aluminium alloy product including the steps of: (a) providing a rolling feedstock material of an aluminium alloy having Mg 4.20% to 5.5%, Mn 0.50% to 1.1%, Fe up to 0.40%, Si up to 0.30%, Cu up to 0.20%, Cr up to 0.25%, Zr up to 0.25%, Zn up to 0.30%, Ti up to 0.25%, unavoidable impurities and balance aluminium; (b) heating the rolling feedstock; (c) hot-rolling of the feedstock to an intermediate gauge in a range of 15 mm to 40 mm; (d) hot-rolling of the feedstock from intermediate gauge to a final gauge in a range of 3 mm to 15 mm and wherein the hot-mill exit temperature is in a range of 130-285° C.; (e) cooling of the hot-rolled feedstock to ambient temperature.


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