Iron-based powders Metallurgical powders, iron-based sintered alloys, and sintered machine parts

摘要

PROBLEM TO BE SOLVED: To provide a mixed powder for iron-based powder metallurgy, which has excellent fluidity, filling property and extraction property. SOLUTION: The iron base powder, copper powder, graphite powder, lubricant, and carbonate are contained, the specific surface area of the carbonate is 3 m ² / g or more, and the content of the carbonate is the iron group. Iron-based powder A mixed powder for metallurgy, which is 0.05 to 1 part by mass with respect to 100 parts by mass of the total amount of powder, copper powder, and graphite powder. [Selection diagram] None