Tungsten Electrodes for Tig Welding
Type and Size
Tungsten electrode is widely applied in daily glass melting, optical glass melting, thermal insulation materials, glass fiber, rare earth industry and other fields. The diameter of tungsten electrode ranges from 0.25mm to 6.4mm. The most commonly used diameters are 1.0mm, 1.6mm, 2.4mm and 3.2mm. Standard length range of tungsten electrode is 75-600mm. We can produce tungsten electrode with supplied drawings from the customers.
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Work Function and Head Colour of Tungsten Electrode |
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| Materials | Alloys | Contents | Other Alloys | Work Function | Head Colour |
| WC20 | CeO2 | 1.80%~2.20% | <0.20% | 2.7~2.8 | Grey |
| WL10 | La2O3 | 0.80%~1.20% | <0.20% | 2.6~2.7 | Black |
| WL15 | La2O3 | 1.30%~1.70% | <0.20% | 2.8~3.0 | Golden Yellow |
| WL20 | La2O3 | 1.80%~2.20% | <0.20% | 2.8~3.2 | Sky blue |
| WT10 | ThO2 | 0.90%~1.20% | <0.20% | - | Yellow |
| WT20 | ThO2 | 1.80%~2.20% | <0.20% | - | Red |
| WT30 | ThO2 | 2.80%~3.20% | <0.20% | - | Purple |
| WT40 | ThO2 | 3.80%~4.20% | <0.20% | - | Orange |
| WZ3 | ZrO2 | 0.20%~0.40% | <0.20% | 2.5~3.0 | Brown |
| WZ8 | ZrO2 | 0.70%-0.90% | <0.20% | 2.5~3.0 | White |
| WY | YO2 | 1.80%~2.20% | <0.20% | 2.0~3.9 | Blue |
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