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Tungsten Rod
- Jan 07, 2019 -

Tungsten Rod 

has high melting point, high temperature strength and creep resistance, as well as good thermal conductivity, electrical conductivity and electronic emission properties. Low coefficient of expansion and minimum metal vapor pressure. 

Powder metallurgy is usually used to make it.


Tungsten electrodes are widely used in welding, high voltage anode, cathode discharge and heat conduction devices. Tungsten electrode can be used as probe needle, resistance welding electrode, plasma discharge electrode, fusion electrode and so on.


Type                                                     Content                                      Product characteristics

Pure tungsten electrode   >99.95% tungsten             Has high temperature resistance and high impedance.


Cerium-tungsten electrode  with 2% cerium oxide     Has low electron escape power, strong arcing ability and long service life.


Lanthanum-Tungsten Electrode     1-2% Lanthanum Oxide      With Low Electron Evolution Work and Easy Processing

Thorium tungsten electrode       with 2% thorium oxide     With Low Electron Evolution Work and Easy Processing

Tungsten-rhenium electrode     with 5% and 26% rhenium  Resistance to high temperature and good creep resistance

Tungsten-copper electrode           with 10-60% copper                              has high conductivity and stable thermal performance