Tungsten Electrode
Diameters: 1.0mm-10.0mm
Length: 150mm, 175mm
We also accept orders for special specification of tungsten electrodes.
Tungsten electrode product is the traditional and advantages product in our Factory. In recent years, the factory began to the tungsten electrode product research and development, While unceasingly optimizes the cerium tungsten, the thorium tungsten, the pure tungsten and so on ordinary electrode production craft, our factory centralized scientific research strength, successively researches and develops the cerium tungsten electrode, lanthanum tungsten electrode, zirconium tungsten electrode, yttrium tungsten electrode and so on, receives the market widespread welcome. We can offer WC, WT, WL, WZ, WY and Proprietary-Compound tungsten electrode which is belongs to the state 863 Hi-Technology R & D projects.
Cerium Tungsten Electrode
Cerium tungsten electrodes have 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 electrode is the first choice for replacing thoriated tungsten electrode under the condition of low DC current.
The Form of Cerium Tungsten Electrodes
| Gr | Added Impurity | Impurity Quality | Other Impurities | Tungsten | Electric Discharged | Color Sign |
|---|---|---|---|---|---|---|
| WC20 | CeO2 | 1.80 - 2.20% | <0.20% | 2.7 - 2.8 | Grey |
Lanthanated Tungsten Electrodes
Lanthanated tungsten electrode became very popular in the circle of welding in the world soon after it was developed because of its good welding performance. The electric conductivity of lanthanated tungsten is most closed to that of 2% thoriated tungsten. Welders can easily replace thoriated tungsten Electrode with lanthanated tungsten electrode at either AC or DC and not have to make any welding program changes. The radioactivity from thoriated tungsten can thus be avoided. Another advantage of lanthanated tungsten electrode is being able to bear high current and having the lowest burn-loss rate.
The Form of Lanthanated Tungsten Electrodes
| Gr | Added Impurity | Impurity Quality | Other Impurities | Electric Discharged | Color Sign |
|---|---|---|---|---|---|
| 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 | Yellow |
| WL20 | La2O3 | 1.80~2.20% | <0.20% | 2.8~3.2 | Sky Blue |
Zirconiated Tungsten Electrodes
The zirconiated tungsten electrode has good performance in AC welding, especially under high load current. Any other electrodes in terms of its excellent performance can not replace zirconiated tungsten electrodes. The electrode retains a balled end when welding, which results in less tungsten permeation and good corrosion resistance..
Our technical staffs have been engaged in research and testing work and succeeded in solving the conflicts between zirconium content and processing properties.
The Form of Zirconiated Tungsten Electrodes
| Gr | Added Impurity | Impurity Quality | Other Impurities | Electric Discharged | Color Sign |
|---|---|---|---|---|---|
| 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 |
Thoriated Tungsten Electrodes
Thoriated tungsten electrode is the most commonly used tungsten electrode, throium 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.
The Form of Thoriated Tungsten Electrodes
| Gr | Added Impurity | ThO2 Content % | Color Sign |
|---|---|---|---|
| WT10 | ThO2 | 0.90 - 1.20 | Brown |
| WT20 | ThO2 | 1.80 - 2.20 | White |
| WT30 | ThO2 | 2.80 - 3.20 | Brown |
| WT40 | ThO2 | 3.80 - 4.20 | White |
Pure Tungsten Electrodes
Suitable for welding under alternating current.
The Form of Pure Tungsten Electrodes
| Gr | Added Impurity | Other Impurities | Electric Discharged | Color Sign |
|---|---|---|---|---|
| WP | - | <0.20% | 4.5 | Green |
Yttrium Tungsten Electrodes
Mainly applied in military and aviation industry with narrow arc beam, high compressing strength, and highest welding penetration at medium and high current.
The Form of Yttrium Tungsten Electrodes
| Gr | Added Impurity | Impurity Quantity | Other Impurities | Tungsten | Electric Discharged | Color Sign |
|---|---|---|---|---|---|---|
| WY | YO2 | 1.80 - 2.20% | <0.20% | The rest | 2.0- 3.9 | Blue |
Composite Tungsten Electrodes
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 State Developing Plan for new products.
The Form of Composite Tungsten Electrodes
| Electrode Name | Added Impurity | Impurity Quantity | Other Impurities | Tungsten | Electric Discharged | Color Sign |
|---|---|---|---|---|---|---|
| Pure Tungsten Electrode | - | - | <0.20% | The rest | 4.5 | Green |
| Yttrium Tungsten Electrode | YO2 | 1.80 - 2.20% | <0.20% | The rest | 2.0- 3.9 | Blue |
| Composite Electrode | ReOx | 1.00 - 4.00% | <0.20% | The rest | 2.45 - 3.1 |
Specifications
| Surface | Diameter | Length | Length Allowance |
|---|---|---|---|
| Ground | 1.0～10.0mm | 50～1000mm | ±1.0mm |
| Polish | 1.0～6.0mm | 50～200mm | ±1.0mm |
| Black | 0.5～12.0mm | 50～1000mm | ±1.0mm |