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:
Sep. 12, 2017
Filed:
Oct. 04, 2013
Applicant:
Hitachi Metals, Ltd., Tokyo, JP;
Inventors:
Susumu Katsuragi, Moka, JP;
Masahide Kawabata, Moka, JP;
Tomonori Sakuta, Miyako-gun, JP;
Kana Morishita, Matsue, JP;
Kenichi Inoue, Matsue, JP;
Assignee:
HITACHI METALS, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/60 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/44 (2006.01); C22C 38/48 (2006.01); C22C 38/58 (2006.01); C21D 6/00 (2006.01); F01N 13/16 (2010.01);
U.S. Cl.
CPC ...
C22C 38/60 (2013.01); C22C 38/00 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/44 (2013.01); C22C 38/48 (2013.01); C22C 38/58 (2013.01); F01N 13/16 (2013.01); C21D 6/002 (2013.01);
Abstract
A heat-resistant, cast ferritic steel having excellent machinability comprising by mass 0.32-0.48% of C, 0.85% or less of Si, 0.1-2% of Mn, 1.5% or less of Ni, 16-23% of Cr, 3.2-5% of Nb, Nb/C being 9-11.5, 0.15% or less of N, 0.05-0.2% of S, and 0.01-0.08% of Al, the balance being Fe and inevitable impurities, and an exhaust member made thereof.