Cerium Tungsten Electrode
2. Catalog: Tungsten alloy
3. Material: Tungsten, Cerium
4. Grade: WC20
5. Main Components: Tungsten(W) 97-98%, Cerium oxide(CeO2): 1.8%-2.2%
6. Color code: Grey
7. Type: Tig welding electrode material
8. Surface: Ground finish，Polished, Grinding
9. Application: Arc welding, Plasma cutting, Tig welding, Direct current welding, Alternating current welding, Plasma welding
10. Product Features: Have excellent arc-starting performance under low current conditions and a relatively small arc maintenance current
11. Package: 10pcs/box, 100 boxes/carton
12. MOQ: 1 box
Cerium tungsten electrode (WCe) is an electrode material used for arc welding and plasma cutting. It is composed of tungsten and cerium.
Product Composition
|
Name |
Grade |
Added ingredient (%) |
Other impurity (%) |
Bal (%) |
Electronic work function |
Color code |
|
|
Cerium Tungsten Electrode |
WC20 |
CeO2 |
1.8-2.2 |
＜0.20 |
Tungsten |
2.7-2.8 |
Gray |
Product Specifications
|
Cerium Tungsten Electrode Specification |
||||
|
Diameter |
Diameter Tolerance |
Length |
Length Tolerance |
|
|
mm |
inch |
mm |
mm |
mm |
|
1.0 |
1/25 |
(±)0.01 |
50,70,150,175 |
(±)1.0 |
|
1.2 |
6/125 |
(±)0.01 |
50,70,150,175 |
(±)1.0 |
|
1.6 |
1/16 |
(±)0.01 |
50,70,150,175 |
(±)1.0 |
|
2.0 |
2/25 |
(±)0.02 |
50,70,150,175 |
(±)1.0 |
|
2.4 |
3/32 |
(±)0.02 |
50,70,150,175 |
(±)1.0 |
|
3.0 |
3/25 |
(±)0.02 |
50,70,150,175 |
(±)1.0 |
|
3.2 |
1/8 |
(±)0.03 |
50,70,150,175 |
(±)1.0 |
|
4.0 |
5/32 |
(±)0.04 |
50,70,150,175 |
(±)1.0 |
|
4.8 |
3/16 |
(±)0.04 |
50,70,150,175 |
(±)1.0 |
|
5.0 |
1/5 |
(±)0.04 |
50,70,150,175 |
(±)1.0 |
|
6.0 |
15/64 |
(±)0.04 |
50,70,150,175 |
(±)1.0 |
|
6.4 |
1/4 |
(±)0.04 |
50,70,150,175 |
(±)1.0 |
|
8.0 |
5/16 |
(±)0.04 |
50,70,150,175 |
(±)1.0 |
|
10 |
2/5 |
(±)0.04 |
50,70,150,175 |
(±)1.0 |
Advantages
Non-Radioactive
Free of radioactive elements, safer for operators and compliant with environmental standards.
Easy Arc Starting
Stable arc ignition at low current, suitable for precision welding.
Low Burn-Off Rate
Reduced electrode consumption extends service life and lowers operating cost.
Product Application
TIG Welding (DC / AC)
Suitable for TIG welding under low and medium current, providing stable arc and clean welds.
Pipeline Welding
Delivers reliable arc starting and stability for consistent weld quality in pipeline applications.
Precision Welding
Ideal for stainless steel, thin materials, and small components requiring low-current control.
Alternative to Thoriated Electrodes
Used as a non-radioactive replacement for thoriated tungsten electrodes, especially for diameters ≤2.0 mm.
Plasma Welding & Cutting
Applicable in plasma processes requiring stable arc and consistent performance.
Product Production Flow
Compared with other tungsten electrodes
|
Comparison of Various Tungsten Electrode Materials |
|||||
|
Electrode Type |
Adding element |
Radioactivity |
Operation Current |
Typical application scenarios |
Color identification (Tip) |
|
Cerium-Tungsten Electrode (WCe) |
CeO₂ |
No |
Low - medium current |
Precision welding, DC welding |
Grey |
|
Thoriated Tungsten Electrode (WTh) |
ThO₂ |
Yes |
High current |
High-current AC/DC welding |
Red |
|
Lanthanum tungsten electrode (WLa) |
La₂O₃ |
No |
Wide-range current |
General-purpose welding (AC/DC) |
Gold,Blue |
|
Zirconiated tungsten (WZr) |
ZrO₂ |
No |
Alternating current |
Aluminum-magnesium alloy AC welding |
Brown |
Product packaging
10pcs in standard plastic box;
100 boxes in a carton;
FAQ
What current type is WC20 suitable for?
A: Suitable for both DC and AC welding, especially stable under low-current conditions.
How does it compare to thoriated tungsten electrodes?
A: Provides similar arc performance under low current, without radioactive risks, making it a safer alternative.
What diameter range is recommended?
A: Typically used in small diameters (≤2.0 mm) for precision and low-current welding applications.
Is customization available?
A: Yes, diameter, length, surface finish, and packaging can be customized based on requirements.
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