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:
Jan. 30, 2024
Filed:
Apr. 10, 2020
Applicant:
Jfe Steel Corporation, Tokyo, JP;
Inventors:
Assignee:
JFE STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 33/02 (2006.01); B22F 1/00 (2022.01); C22C 38/00 (2006.01); C22C 38/18 (2006.01); B22F 1/10 (2022.01); C22C 38/12 (2006.01); C22C 38/16 (2006.01); B22F 3/16 (2006.01); C22C 38/04 (2006.01);
U.S. Cl.
CPC ...
C22C 33/0257 (2013.01); B22F 1/00 (2013.01); B22F 1/09 (2022.01); B22F 1/10 (2022.01); B22F 3/16 (2013.01); C22C 38/001 (2013.01); C22C 38/04 (2013.01); C22C 38/12 (2013.01); C22C 38/16 (2013.01); C22C 38/18 (2013.01); B22F 2301/10 (2013.01); B22F 2301/35 (2013.01); B22F 2302/40 (2013.01); B22F 2304/10 (2013.01);
Abstract
Provided is an iron-based alloy sintered body having a tensile strength of 800 MPa or more, excellent machinability, a microstructure with an average Vickers hardness of 300 Hv or more and 900 Hv or less and a standard deviation of Vickers hardness of 200 Hv or less, and an average pore circularity of 0.30 or more.