Cerium Tungsten Electrode has good starting arc performance under the condition of low current. The arc current is low, therefore the electrodes can be used for welding of pipe, stainless and fine parts. Cerium Tungsten Electrodeis the first choice for replacing Thoriated Tungsten Electrode under the condition of low DC.
| Trade mark | Added impurity |
Impurity quantity |
Other impurities |
Tungsten | Electric discharged power |
Color sign |
| WC20 | CeO2 | 1.80 - 2.20% | <0.20% | The rest | 2.7 - 2.8 | Grey |
Thoriated tungsten Electrodes
Thoriated tungsten electrode is the most commonly used tungsten electrode, Thoria is a low-level radioactive material, but it was the first to display a significant improvement over pure tungsten.
Thoriated tungsten is a good general use tungsten for DC applications, because it operates well even when overload with extra amperage, thus improves the performance of welding.
| Trade mark | ThO2 Content | Color sign |
| WT10 | 0.90 - 1.20 | Primary |
| WT20 | 1.80 - 2.20 | Red |
| WT30 | 2.80 - 3.20 | Purple |
| WT40 | 3.80 - 4.20 | Orange Primary |
Pure Tungsten Electrodes
Suitable for welding under alternating current;
Yttrium Tungsten Electrodes
 Mainly applied in military and aviation industry with narrow arc beam, high compressing strength, highest welding penetration at medium and high current;
Composite Tungsten Electrodes:Â Their performances can be much improved by adding two or more rare Earth oxides which are mutually complementary. The Composite tungsten electrodes have thus become out of the ordinary in the electrode family. The new type Composite Tungsten Electrode developed by us has been listed in Stade Developing Plan for new products.
| Electrode Name | Trade mark |
Added impurity | Impurity quantity | Other impurities | Tungsten | Electric discharged power | Color sign |
| Pure Tungsten Electrode | WP | -- | -- | <0.20% | The rest | 4.5 | Green |
| Yttrium-Tungsten Electrode | WY20 | YO2 | 1.80 - 2.20% | <0.20% | The rest | 2.0 - 3.9 | Blue |
| Composite Electrode | WRex | ReOx | 1.00 - 4.00% | <0.20% | The rest | 2.45 - 3.1 |
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