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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.:

US 9399809 B1

PDFFull Text
Date of Patent:
Jul. 26, 2016

Filed:

Feb. 08, 2012

Hot rolled ferritic stainless steel sheet, method for producing same, and method for producing ferritic stainless steel sheet

Applicants:

Shinichi Teraoka, Kitakyushi, JP;

Masaaki Kobayashi, Kitakyushu, JP;

Yuuji Koyama, Kitakyushu, JP;

Junichi Hamada, Hikari, JP;

Norihiro Kanno, Hikari, JP;

Yoshiharu Inoue, Kisarazu, JP;

Ken Kimura, Kimitsu, JP;

Jun Takahashi, Kisarazu, JP;

Shigeyuki Gotoh, Kitakyushu, JP;

Inventors:

Shinichi Teraoka, Kitakyushi, JP;

Masaaki Kobayashi, Kitakyushu, JP;

Yuuji Koyama, Kitakyushu, JP;

Junichi Hamada, Hikari, JP;

Norihiro Kanno, Hikari, JP;

Yoshiharu Inoue, Kisarazu, JP;

Ken Kimura, Kimitsu, JP;

Jun Takahashi, Kisarazu, JP;

Shigeyuki Gotoh, Kitakyushu, JP;

Assignee:

NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATION, Tokyo, JP;

Attorney:

Kenyon & Kenyon LLP

Primary Examiner:

Deborah Yee

Int. Cl.
CPC ...
C22C 38/20 (2006.01); C22C 38/28 (2006.01); C21D 8/02 (2006.01); C22C 38/54 (2006.01); C22C 38/50 (2006.01); C22C 38/42 (2006.01); C22C 38/48 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01); C22C 38/06 (2006.01); C22C 38/04 (2006.01); C22C 38/02 (2006.01); C22C 38/00 (2006.01); B21B 1/26 (2006.01); C21D 6/00 (2006.01); C21D 9/46 (2006.01); C22C 38/22 (2006.01); C22C 38/26 (2006.01); C22C 38/32 (2006.01); C22C 38/38 (2006.01);
U.S. Cl.
CPC ...
C22C 38/54 (2013.01); B21B 1/26 (2013.01); C21D 6/002 (2013.01); C21D 6/004 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 8/0263 (2013.01); C21D 9/46 (2013.01); C22C 38/001 (2013.01); C22C 38/004 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/20 (2013.01); C22C 38/22 (2013.01); C22C 38/26 (2013.01); C22C 38/28 (2013.01); C22C 38/32 (2013.01); C22C 38/38 (2013.01); C22C 38/42 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01); C22C 38/48 (2013.01); C22C 38/50 (2013.01); C21D 8/0226 (2013.01); C21D 8/0236 (2013.01);
Abstract

This hot-rolled ferritic stainless steel sheet has a steel composition containing, in terms of % by mass: 0.02% or less of C; 0.02% or less of N; 0.1% to 1.5% of Si; 1.5% or less of Mn; 0.035% or less of P; 0.010% or less of S; 1.5% or less of Ni; 10% to 20% of Cr; 1.0% to 3.0% of Cu; 0.08% to 0.30% of Ti; and 0.3% or less of Al, with the balance being Fe and unavoidable impurities, and the hot-rolled ferritic stainless steel sheet has a Vickers hardness of less than 235 Hv.

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