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:
Oct. 05, 2021
Filed:
Sep. 26, 2018
Applicant:
Aisin Keikinzoku Co., Ltd., Imizu, JP;
Inventors:
Karin Shibata, Oyabe, JP;
Tomoo Yoshida, Toyama, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22F 1/053 (2006.01); C22C 21/10 (2006.01); C22F 1/00 (2006.01); B21C 23/00 (2006.01); B22D 11/00 (2006.01);
U.S. Cl.
CPC ...
C22F 1/053 (2013.01); B21C 23/00 (2013.01); B22D 11/003 (2013.01); C22C 21/10 (2013.01); C22F 1/002 (2013.01);
Abstract
An aluminum alloy extruded material that exhibits high strength by air cooling immediately after extrusion processing and excellent stress corrosion cracking resistance, and a method for manufacturing the same are disclosed. The material includes, by mass: 6.0 to 8.0% of Zn, 1.50 to 2.70% of Mg, 0.20 to 1.50% of Cu, 0.005 to 0.05% of Ti, 0.10 to 0.25% of Zr, 0.3% or less of Mn, 0.05% or less of Cr, 0.25% or less of Sr, and 0.10 to 0.50% in total among Zr, Mn, Cr and Sr, with the balance being Al and unavoidable impurities.