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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
 
     
 
 
  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
 
     
 
 
  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¡¦ )
 
     
  Product item :
* Fine silver by heat treatment
* Sintered silver tungsten
* Sintered copper tungsten
 
     
 

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

 
  * Other compositions are available upon request  
     
 
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