Thoriated Tungsten electrodes are the most commonly used tungsten material, Thoria is low-level radioactive material, but it is was the first to display a significant improvement over pure tungsten.
Application : Thoriated tungsten electrodes are generally used for DC electrode negative or straight polarity applications such as carbon & stainless steels, nickel alloys and titanium, as they operate well even when overload with extra amperage, and then improve the performance of welding.
Detail inforamtion. Designation | Composition Dioxide | Oxide in% | Impurities Content % | Tungsten Content% | Color Mark | WL10 | LA2O3 | 0.80~1.20 | <0.2 | Remainder | tungsten | WL15 | LA2O3 | 1.30~1.70 | <0.2 | Remainder | tungsten | WL20 | LA2O3 | 1.80~2.20 | <0.2 | Remainder | tungsten | WT20 | ThO2 | 1.70~2.20 | <0.2 | Remainder | tungsten | WC20 | CeO2 | 1.80~2.20 | <0.2 | Remainder | tungsten | WZr3 | ZrO2 | 0.20~0.40 | <0.2 | Remainder | tungsten | WZr8 | ZrO2 | 0.70~0.90 | <0.2 | Remainder | tungsten | WP | ¡ª¡ª | ¡ª¡ª | <0.2 | 99.8 | tungsten | WY20 | Y2O3 | 1.80~2.20% | <0.2 | Remainder | tungsten |
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