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This is a sintered products and can be supplied in various grades. The standard
products are 25/75% and 30/70% in
copper-tungsten comosition although other compositions are available as well as all grade of other manufacturer.
This material is available in rod and plate and various cut pieces.
* As the electrode material for spark erosion of carbide and tungsten-carbide and various tungsten based alloys |
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Various grade of silver-tungsten are available upon request.
* As the electrode material for spark erosion of carbide and tungsten-carbide and
various tungsten based alloys |
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Electrical contacts can be produced from a variety of precious metals including fine
silver, silver tungsten and copper tungsten alloy.
The design of contacts could be provided to your specific application.
( Contact assemblies, Contact tapes, Contact button, etc¡¦ ) |
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Product item :
* Fine silver by heat treatment
* Sintered silver tungsten
* Sintered copper tungsten |
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Material |
Composition |
Density (g/§¨) |
Hardness (HV) |
IACS (%) |
Fine Silver |
99% Ag |
10.5 |
45 |
108 |
Silver Tungsten |
50% W |
13.4 |
110 |
58 |
65% W |
14.8 |
150 |
50 |
70% W |
15.4 |
195 |
47 |
75% W |
16.0 |
220 |
45 |
Copper Tungsten |
60% W |
13.0 |
182 |
50 |
65%W |
13.6 |
190 |
48 |
70%W |
14.2 |
197 |
46 |
75% W |
14.8 |
220 |
44 |
80% W |
15.2 |
233 |
40 |
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* Other compositions are available upon request |
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