Alloy steel powder for powder metallurgy

Details Alloy steel powder for powder metallurgy Alloy steel powder for powder metallurgy

2008-03-25

2008-03-25

King, Roy (Department: 1742)

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

C075S255000

Reexamination Certificate

active

07347884

ABSTRACT:
An alloy steel powder for powder metallurgy includes an iron-based powder containing about 0.5 mass percent or less of Mn as a prealloyed element and 0.2 to about 1.5 mass percent of Mo as a prealloyed element; and a Mo-containing alloy powder bonded on the surface of the iron-based powder by diffusion bonding. In the alloy steel powder for powder metallurgy, a Mo average content [Mo]T(mass percent) satisfies formula 0.8≧[Mo]T−[Mo]P≧0.05, wherein the content [Mo]Pis the above prealloyed Mo content (mass percent) in the iron-based powder.

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