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Tungsten electrodes, which are used with high melting point, corrosion resistance, high density,Tungsten electrodes made of good thermal and electrical conductivity materials.Tungsten electrodes are widely used in welding.Tungsten electrode grinding or polishing and black bar. The final colors are different and can be distinguished.  We can offer WC,WL , WT, WY, WZ and Proprietary-Compound tungsten electrode which is belongs to the state 863 Hi-Technology R&D projects.


    


Specification of Tungsten Electrode
1, Diameters: 1.0mm-10.0mm

2, Length: 150mm, 175mm
3, We also accept orders of special specification Tungsten electrode.


Cerium Tungsten Electrode

The 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 electrode the first choice for replacing thoriated tungsten electrode under the condition of low DC.

The Form of Cerium Tungsten Electrode
1. Added impurity: CeO2
2. Impurity quality: 1.8-2.20%
3. Other imputities:
<0.20%
4.Tungsten: The rest
5. Electric discharged power: 2.7-2.8
6. Color sign

The lanthanated tungsten electrode

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. Lanthanated Tungsten Electrodes



The Form of Lanthanated Tungsten Electrodes

Added impurity Impurity quantity Other impurities Tungsten Electric discharged power Color sign
La2O3 0.80 - 1.20% <0.20% The rest 2.6 - 2.7 Black
La2O3 1.30 - 1.70% <0.20% The rest 2.8 - 3.0 Yellow
La2O3 1.80 - 2.20% <0.20% The rest 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 Form of Zirconiated Tungsten Electrodes

Added impurity Impurity quantity Other impurities Tungsten Electric discharged power Color sign
ZrO2 0.20 - 0.40% <0.20% The rest 2.5 - 3.0 Brown
ZrO2 0.70 - 0.90% <0.20% The rest 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.

The Form of Thoriated Tungsten Electrodes

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, and highest welding penetration at medium and high current;


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