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:
Aug. 16, 2022
Filed:
May. 11, 2020
Applicant:
Ihi Corporation, Koto-ku, JP;
Inventors:
Koichi Kurebayashi, Tokyo, JP;
Yasuo Matsunaga, Tokyo, JP;
Assignee:
IHI Corporation, Koto-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 38/44 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/60 (2006.01); F02C 6/12 (2006.01);
U.S. Cl.
CPC ...
C22C 38/44 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/60 (2013.01); F02C 6/12 (2013.01);
Abstract
A heat-resistant cast steel contains 0.55 mass % or more and 1.0 mass % or less C, 1.5 mass % or more and 3.5 mass % or less Si, more than 0 mass % and 2 mass % or less Mn, 6 mass % or more and 11 mass % or less Ni, 22 mass % or more and 27 mass % or less Cr, and more than 0 mass % and 0.6 mass % or less Mo, and the balance being Fe and unavoidable impurities.