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