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:
Apr. 11, 2006
Filed:
Feb. 17, 2004
Yoshihiro Yazawa, Chiba, JP;
Osamu Furukimi, Chiba, JP;
Mineo Muraki, Chiba, JP;
Yoshihiro Ozaki, Chiba, JP;
Kunio Fukuda, Chiba, JP;
Yukihiro Baba, Chiba, JP;
Yoshihiro Yazawa, Chiba, JP;
Osamu Furukimi, Chiba, JP;
Mineo Muraki, Chiba, JP;
Yoshihiro Ozaki, Chiba, JP;
Kunio Fukuda, Chiba, JP;
Yukihiro Baba, Chiba, JP;
JFE Steel Corporation, , JP;
Abstract
A ferritic stainless steel sheet for use in automobile fuel tanks and fuel pipes having smooth surface and resistance to organic acid is provided. The sheet contains, by mass, not more than about 0.1% C, not more than about 1.0 Si, not more than about 1.5% Mn, not more than about 0.06% P, not more than about 0.03% S, about 11% to about 23% Cr, not more than about 2.0% Ni, about 0.5% to about 3.0% Mo, not more than about 1.0% Al, not more than about 0.04% N, at least one of not more than about 0.8% Nb and not more than about 1.0% Ti, and the balance being Fe and unavoidable impurities, satisfying the relationship: 18≦Nb/(C+N)+2Ti/(C+N)≦60, wherein C, N, Nb, and Ti in the relationship represent the C, N, Nb, and Ti contents by mass percent, respectively. A process for making the same is also provided.