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:
Jul. 23, 2019
Filed:
Dec. 22, 2017
Applicant:
Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;
Inventors:
Hiroaki Otsuka, Tokyo, JP;
Hideki Fujii, Tokyo, JP;
Assignee:
NIPPON STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 14/00 (2006.01); C22F 1/18 (2006.01); G10K 11/162 (2006.01); F01N 13/16 (2010.01); F01N 3/10 (2006.01); F01N 13/08 (2010.01); F01N 13/10 (2010.01); F01N 1/00 (2006.01);
U.S. Cl.
CPC ...
C22C 14/00 (2013.01); C22F 1/183 (2013.01); F01N 1/00 (2013.01); F01N 3/10 (2013.01); F01N 13/08 (2013.01); F01N 13/10 (2013.01); F01N 13/16 (2013.01); G10K 11/162 (2013.01); F01N 2530/02 (2013.01);
Abstract
A titanium alloy material for exhaust system parts excellent in oxidation resistance and cold workability able to be used for an exhaust manifold, exhaust pipe, catalyst device, muffler, or other part characterized by containing, by mass %, Cu: 0.5 to 1.5%, Sn: 0.5 to 1.5%, Si: 0.1% to 0.6%, O: 0.1% or less, and Fe: 0.15% or less, and a balance of Ti and impurities, having a total of the contents of Cu and Sn of 1.4 to 2.7%, and having a total of the volume rates of the β-phases and Ti—Cu and Ti—Si intermetallic compounds of 1.0% or less.