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:
Feb. 01, 2022
Filed:
Mar. 22, 2019
Applicant:
Jfe Steel Corporation, Tokyo, JP;
Inventors:
Assignee:
JFE STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 33/02 (2006.01); C22C 38/12 (2006.01); B22F 3/10 (2006.01); C22C 38/16 (2006.01); B22F 1/00 (2006.01);
U.S. Cl.
CPC ...
C22C 38/12 (2013.01); B22F 1/0011 (2013.01); B22F 1/0085 (2013.01); B22F 3/10 (2013.01); C22C 33/0207 (2013.01); C22C 33/0264 (2013.01); C22C 38/16 (2013.01); B22F 2301/35 (2013.01); B22F 2303/10 (2013.01);
Abstract
Disclosed is an alloyed steel powder for powder metallurgy from which sintered parts that do not contain expensive Ni, or Cr or Mn susceptible to oxidation, that have excellent compressibility, and that have high strength in an as-sintered state can be obtained. The alloyed steel powder for powder metallurgy has: a chemical composition containing Mo: 0.5 mass % to 2.0 mass % and Cu: 1.0 mass % to 8.0 mass %, with the balance being Fe and inevitable impurities; and a microstructure in which an FCC phase is present at a volume fraction of 0.5% to 10.0%.