This material(SAE 794 CuPb24Sn4) is employed for bushings and thrust washers applications Subjected to intermediate impacts and vibratory loads. It has certain Degree of embeddability and it is suitable for higher speed of load.
Pb (LEAD ): 23 - 27%;
Sn (TIN): 2 - 4%;
Cu (COPPER): BALANCE.
STEEL REFERENCE:
1-SAE - 1010;
2-SAE- 1008.
Our Factory manufactures Material for engine bearing in China.
We produced material for engine bearings strictly according to Standard ISO/DIS4383.
1. Steel back material:
1)Steel Plate: SPCC-10 or SPHC ST37-2G
2). Chemical composition
C Mn P S Al Si Cu
<=0.12 0.18-0.50 <=0.04 <=0.05 <=0.02 <=0.1 <=0.1
3). Hardness: HRB80-95
2. AlSn20Cu
1). Chemical composition
Al Sn Cu Ni Sb impurity
Balance 17.5-22.5 0.7-1.30 <=0.1 <=0.25 <=0.1
(Fe<0.25 Si<0.7 Ti<0.1 Mn<0.1)
2). Hardness: HV 30-40
3. AlSn6Cu
1). Chemical composition
Al Sn Cu Ni Sb impurity
Balance 5.5-7.0 0.7-1.30 <=1.3 <=0.25 <=0.1
(Fe<0.25 Si<0.7 Ti<0.1 Mn<0.1)
4. CuPb24Sn4
1). Chemical composition
Cu Pb Sn Zn P impurity
Balance 19-27 3.0-4.5 <=0.5 <=0.1 <=0.1
(Fe<0.25 Si<0.7 Ti<0.1 Sb<0.1)
5. CuPb24Sn
1). Chemical composition
Cu Pb Sn Zn P impurity
Balance 19-27 0.6-2.0 <=0.5 <=0.1 <=0.1
(Fe<0.25 Si<0.7 Ti<0.1 Sb<0.1)
6. CuPb10Sn10
1). Chemical composition
Cu Pb Sn Zn P impurity
Balance 9-11 9-11 <=0.5 <=0.1 <=0.1
(Fe<0.25 Si<0.7 Ti<0.1 Sb<0.1)
7. CuPb30
1). Chemical compositon
Cu Pb Sn Zn P impurity
Balance 26-33 <=0.5 <=0.5 <=0.1 <=0.1
(Fe<0.25 Si<0.7 Ti<0.1 Sb<0.1)
We can adjust the chemical composition as customer's special requirement.
