2% thoriated tungsten electrode
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pure tungsten electrode
thoriated tungsten electrode
Thorium-tungsten electrode is the electrode of tungsten added with 1-4% of THO2. The power of its electronic transgression is 2.7ev,40% less than that of pure tungsten electrode. With a low arc derivation voltage, itseasy tuo cause arc of high stability. Its current capacity is elevated 30% while its rate of burn spoilage drops low, making it more durable. Thorium-tungsten electrode is fairly widely applied in direct current welding.