
The following photo is the picture for tungsten copper electrical contacts for your reference:
Important properties of electrical contact are conductivity, corrosion resistance, hardness, current load, form, and size. Many of these are determined by inherent characteristics of the material. The high electrical & thermal conductivity of copper are combined with the arc-resistant & no-welding properties of tungsten or their carbides to form an extensive series of compositions each designed to give the best performance for tungsten copper electrical contacts application.
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