White Metal 8th Class

[WJ-8]
White Metal 8th Class is good to use for a bearing for medium speed and medium weight, and is used for general small size machine, journal of car such as freight car, elevator, crusher and so on.
Composition of White Metal 8th Class [WJ-8]
Sn
Sb
Cu
Pb
Zn
As
Impurities
Pb
Fe
Zn
Al
Bi
As
Cu
6.0~8.0
16.0~18.0
under
1.0
rest
-
-
-
under
0.10
under
0.05
under
0.01
-
under
0.20
-
Physical and Mechanical Property of White Metal 8th Class [WJ-8]
Base Element
Freezing Temp.
℃
Specific Gravity
Hardness
BHN20℃
Tensile Strength
kg/?A
Elongation
%
Compressive Strength
kg/?A
0.125%
Fatigue Strength
kg/?A
(20000000)
Pb
240~272
9.72
25.0
6.56
1.0
2.40
-
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