The Powder Metallurgy Tungsten Contact

The powder metallurgy tungsten contact belongs to the field of automotive electrical components. The method for  exisiting tungsten contact is using tungsten blanks hanging melting sintered, swaged into rods, and then cut into pieces. 

The disadvantages: a long process, which normally takes 20 procedures, easily oxidized .When occuring  the material transfer,it is often polished.

The advantages: the process is simple, just  only five steps.By adding other ingredients, improve the antioxidant properties of the product and  prevent the substances transfer occuring  when the use of tungsten contacts, with an average life is  41,300 km / Vice contact. so the present invention of  tungsten contacts can be widely used in the automotive electrical appliances and other electrical instruments.



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Email:  sales@chinatungsten.com
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