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:
Mar. 08, 2016
Filed:
Mar. 05, 2009
Yasushi Kato, Chiba, JP;
Norimasa Hirata, Aichi, JP;
Tetsuyuki Nakamura, Chiba, JP;
Takumi Ujiro, Chiba, JP;
Hiroki Ota, Chiba, JP;
Yasushi Kato, Chiba, JP;
Norimasa Hirata, Aichi, JP;
Tetsuyuki Nakamura, Chiba, JP;
Takumi Ujiro, Chiba, JP;
Hiroki Ota, Chiba, JP;
JFE Steel Corporation, Tokyo, JP;
Abstract
Ferritic stainless steel is excellent in terms of both oxidation resistance and thermal fatigue resistance without adding expensive elements, such as Mo or W. The ferritic stainless steel, contains: C: 0.015 mass % or lower, Si: 1.0 mass % or lower, Mn: 1.0 mass % or lower, P: 0.04 mass % or lower, S: 0.010 mass % or lower, Cr: 16 to 23 mass % or lower, N: 0.015 mass % or lower, Nb: 0.3 to 0.65 mass %, Ti: 0.15 mass % or lower, Mo: 0.1 mass % or lower, W: 0.1 mass % or lower, Cu: 1.0 to 2.5 mass %, Al: 0.2 to 1.5 mass %, and the balance of Fe and inevitable impurities.