| 摘要 |
PROBLEM TO BE SOLVED: To provide an alloy steel powder for powder metallurgy which can achieve both strength and toughness of a sintered body using it and is based on an iron-based powder.SOLUTION: In an alloy steel powder for powder metallurgy, an iron-based powder contains reduced iron powder, has a maximum particle size of 100 μm or smaller, and also comprises Mo of 0.2-1.5 mass% in a ratio to the whole of the alloy steel powder for powder metallurgy and graphite powder of 0.1-1.0 mass% in a ratio to the whole of the alloy steel powder for powder metallurgy. |
