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Metal Powders for P/M Bronze bearing

Author:admin     Date :2012/7/23 11:59:44     Popularity:
Copper base alloy powder is widely used in cold and hot pressing sintered metal bearing.
1. Cu-Pb based
Steel Type Nominal Composition wt%  Particle Size
(Mesh)
Apparent Density (g/cm3)
Cu Pb
Cu-37.5Pb Bal 37.5 -100M 5.0-5.7
Cu-35Pb Bal 35 -100M 5.0-5.7
Cu-30Pb Bal 30 -100M 5.0-5.7
Cu-25Pb Bal 25 -100M 5.0-5.7

2.Cu-Sn-Pb based
Steel Type Nominal Composition  wt%  Particle Size
(Mesh)
Apparent Density
(g/cm3)
Cu Pb Sn Zn
 Cu-4Pb-4Sn-4Zn Bal 4 4 4 -100M 5.0-5.7
Cu-10Pb-10Sn Bal 10  10   -100M 5.0-5.7
Cu-15Pb-8Sn Bal 15  8   -100M 5.0-5.7
Cu-19Pb-7Sn Bal 19 7   -100M 5.0-5.7
Cu-24Pb-Sn3.5 Bal 24 3.5   -100M 5.0-5.7

3.Cu-Sn based
Steel Type Nominal Composition  wt% Particle Size
(Mesh)
Apparent Density (g/cm3)
Cu Sn P Ni Bi Fe
 Cu-8Sn-P Bal 8  <0.5       -100M 5.0-5.7
Cu-10Sn-P Bal 10 <0.5       -100M 5.0-5.7
Cu-Sn-Bi Bal 10.2     3.3   -120M 5.0-5.7
Cu-Sn-Ni-Fe Bal 8   1   <0.25 -120M 4.5-5.5