Process for producing a powder metal part

Details Process for producing a powder metal part Process for producing a powder metal part

C - Chemistry, Metallurgy

22

C

75/157

C22C 1/04 (2006.01) C22C 33/02 (2006.01)

Patent

CA 1166043

PROCESS FOR PRODUCING A POWDER METAL PART ABSTRACT OF THE DISCLOSURE A process for producing a powder metal part is disclosed. A powder metal composition comprising 1.0 - 2.5% Ni, 0.3 - 0.7% Mo, 0.15 - 0.30% Mn, 0.5 - 1.5 % Cu, 0.3 - 0.7% C, 0.5 - 1.0% zinc stearate, the balance being Fe, is first compacted. The compressed part is sintered at a temperature of about 2000°F to 2150°F for about 15 to 30 minutes in a furnace having a dew point ranging from about 20°F to 60°F and under an endothermic atmosphere.

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