SPECIFICATIONS
Commodity:  Cast Tin-Based Bearing Alloy Ingot
Standard:  GB8740-88
Specifications:
Code No.
Chemical Composition %
Hard-ness
Min.
Contents of Main Elements
Impurities, max.
Sb
Cu
Su
As
Pb
Fe
Zn
Bi
Al
Total
ZChSnSbD4-4
4.0~5.0
4.0~5.0
Bal.
0.1
0.35
0.06
0.08
0.08
0.005
0.6
20
ZChSnSbD8-4
7.0~8.0
3.0~4.0
Bal.
0.1
0.35
0.06
0.08
0.08
0.005
0.6
24
ZChSnSbD11-6
10.0~12.0
5.5~6.5
Bal.
0.05
0.35
0.08
0.08
0.05
0.005
0.5
27

impurities can also be produced as required or in accordance with state standard.


Note: Information deemed reliable, but not guaranteed.