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Ceriated Tungsten Electrodes

Ceriated tungsten electrodes are produced by adding cerium oxide into the tungsten base. Then the tungsten base are machined through powder metallurgy, rolling and polishing. It is the earliest non-radioactive tungsten electrode in China. Its characters are: excellent arcing properties under low current situation, small current for arc. So it is usually applied for welding for pipes, stainless steel and small precision parts.

Ceriated tungsten electrodes contains 2% cerium oxide. Under low voltage situation, DC welding is more suitable for ceriated tungsten electrodes. Compared with pure tungsten electrode, ceriated tungsten electrodes have the properties of lower combustion rate, evaporation rate. The content of cerium oxide is more higher, the advantage will be more obvious.

The advantages of ceriated tungsten electrodes are non-radiative, low melting rate and long service life. Please see the following advantages of ceriated tungsten electrodes compared to thoriated tungsten electrodes: thoriated tungsten electrodes has a little radiation and it only can be used under high current situation. But ceriated tungsten electrodes belongs to non-radiation welding materials and can be used under low current condition.

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