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:
Jan. 09, 2024
Filed:
Apr. 24, 2020
Applicants:
Uacj Corporation, Tokyo, JP;
Uacj Extrusion Corporation, Tokyo, JP;
Inventors:
Assignee:
UACJ Corporation; UACJ EXTRUSION CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 21/06 (2006.01); C23C 4/08 (2016.01); C22C 21/08 (2006.01); C21D 8/10 (2006.01);
U.S. Cl.
CPC ...
C22C 21/08 (2013.01); C21D 8/10 (2013.01); C23C 4/08 (2013.01);
Abstract
An aluminum alloy pipe includes a pipe body portion made of an Al—Mg series alloy that includes Mg at a concentration equal to or higher than 0.7 mass % and lower than 2.5 mass % and Ti at a concentration higher than 0 mass % and equal to or lower than 0.15 mass %, with the balance being Al and unavoidable impurities, and a Zn-containing layer being outside the pipe body portion and including Zn being diffused in the Al—Mg series alloy at a concentration equal to or higher than 0.1 mass %.