Patent ID: 11884996
Assignee: JFE STEEL CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  B  Y | IPC B  C

Claim 8:
9. An iron-based mixed powder for powder metallurgy comprising:
a pre-alloyed steel powder obtained by pre-alloying Mo and Cu;
a Cu powder; and
a graphite powder,, wherein the iron-based mixed powder for powder metallurgy has a chemical composition containing
Cu: 1.8 mass % or more and 10.2 mass % or less,
Mo: 0.5 mass % or more and 2.0 mass % or less, and
C: 0.2 mass % or more and 1.2 mass % or less,, with the balance being Fe and inevitable impurities, and, the Cu powder is contained in an amount of 0.3 mass % or more.