Thorium Tungsten Electrode

Thorium tungsten electrode, which has excellent welding performance, is widely used in DC welding fields. In several tungsten electrodes, its welding performance is the best, so it has the highest markets share on a global scale. But because thorium tungsten electrode (in metallurgy and rolling, grinding and polishing process) can give out a small amount of radiation (radioactive contamination), the Western countries has limited its production, but its use is not restricted. Nonetheless, people still gradually shift their attention to other types of tungsten electrodes, such as, lanthanum tungsten electrode and cerium tungsten electrode. That is because most of their applications have shown good performance, and they do not produce radiation Pollution. Because thorium oxide in thorium tungsten electrode will produce small quantities of radiation, so, when using it to welding, be sure to keep a good ventilation environment; and when the welding is finished, the welding head should be properly disposed.

Cerium tungsten electrode (add thorium oxide - ThO₂ to tungsten) grade and standard

Advantages of cerium tungsten electrode
1. Compared with pure tungsten electrode, its welding performance is better, for example, it owns better electrical conductivity, nicer mechanical cutting performance, lower electronic work function and other good performance.
2. Easy to operate, and it can work well even in overload current.



 

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