Thoriated tungsten Electrodes (WT Electrode) : High current carrying capacity, large depth of weld, reliable partner for high strength welding.
| Trade mark | ThO2 Content | Color sign |
| WT10 | 0.90 – 1.20 | Primary |
| WT20 | 1.80 – 2.20 | Redc |
Your ideal choice of Tungsten Electrode for TIG welding
In the quest for the perfect weld, every detail counts. Have you ever been plagued by an arc that is difficult to control? Tired of replacing your tungsten electrodes so often that they don’t last? Now, let our tungsten electrodes for TIG welding be the perfect companion for your exquisite skills, lighting up every weld with precision and fusing together superior quality that will last for years to come!
We know that a reliable tool is the cornerstone of success for welders pursuing excellence, and FOTMA tungsten electrodes are made from carefully selected high-purity raw materials, advanced manufacturing processes, and strict quality control, all aimed at achieving the stable and powerful arc in your hands.
Say goodbye to arc starting problems and hello to a smooth welding experience! Our special formula and fine surface treatment ensure that the tungsten electrode can instantly stimulate a stable arc, allowing you to weld in a smooth flow.
Enhance your welding efficiency and say goodbye to frequent changes! Excellent heat resistance and corrosion resistance give our tungsten electrodes a longer service life, effectively reducing the frequency of replacement, allowing you to focus more on the torch in your hands, dramatically improving welding efficiency and saving valuable time.
Carefully selected to meet your different needs! We offer many types of tungsten electrodes, such as:
Cerium tungsten electrode (WC Electrode): Excellent arc starting performance and arc stabilization, especially suitable for low-current welding and thin plate welding, it is your choice for fine welding.
| 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 (WT Electrode) : High current carrying capacity, large depth of weld, reliable partner for high strength 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 |
Lanthanated Tungsten Electrodes (WL Electrode): Excellent performance under a wide range of current conditions, excellent all-round performance, ideal for your all-round welding.
| Trade mark | Added impurity |
Impurity quantity |
Other impurities |
Tungsten | Electric discharged power |
Color sign |
| WL10 | La2O3 | 0.80 – 1.20% | <0.20% | The rest | 2.6 – 2.7 | Black |
| WL15 | La2O3 | 1.30 – 1.70% | <0.20% | The rest | 2.8 – 3.0 | Yellow |
| WL20 | La2O3 | 1.80 – 2.20% | <0.20% | The rest | 2.8 – 3.2 | Sky blue |
Zirconiated Tungsten Electrodes: good performance in AC welding, especially under high load current.
| Trade mark | Added impurity |
Impurity quantity | Other impurities |
Tungsten | Electric discharged power |
Color sign |
| WZ3 | ZrO2 | 0.20 – 0.40% | <0.20% | The rest | 2.5 – 3.0 | Brown |
| WZ8 | ZrO2 | 0.70 – 0.90% | <0.20% | The rest | 2.5 – 3.0 | White |
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: Their performances can be much improved by adding two or more rare Earth oxides which are mutually complementary.
| 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 |
Our tungsten electrodes are more than just a piece of welding consumables, they are a powerful support for your relentless pursuit of welding excellence!
By choosing FOTMA tungsten electrode for TIG welding, you will get:
Excellent arc initiation performance, bidding farewell to the tedious preparation before welding.
Extremely stable arc ensures the smoothness and consistency of the weld seam.
Longer service life, reduced replacement frequency, and lower costs.
Lower spatter, improve welding quality, and reduce post-processing work.
Accurate ingredient ratios and strict quality control ensure excellent performance of each electrode.
Don’t let the ineffectual tungsten electrode drag down your skills anymore! Choose our tungsten electrode for argon arc welding now and experience unprecedented welding smoothness and excellent quality! Make every welding a perfect showcase of your craftsmanship!
Product Certifications
Our Tungsten Electrode for TIG Welding are manufactured in accordance with international quality standards to ensure safety, reliability, and performance. The following certifications apply to this product:
ISO 9001:2015 & SGS:Quality Management System certified

Certification documents are available upon request. To view additional certifications, please contact us.
Trusted by Global Professionals – Real Customers. Real Results.
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Need Custom Sizes or Bulk Orders?
Contact our engineering team for expert consultation on Tungsten Electrode for TIG Welding tailored to your specific requirements. We offer OEM and ODM services with fast global shipping.
Frequently Asked Questions
Q1: What types of tungsten electrodes does FOTMA offer for TIG welding?
A1: FOTMA provides several types of tungsten electrodes designed for various TIG welding applications, including:
Each type offers different arc stability, current-carrying capacity, and suitability for AC or DC welding.
Q2: What are the advantages of using thoriated tungsten electrodes (WT series)?
A2: Thoriated electrodes such as WT20 (2% ThO₂) provide:
They are widely used for DC welding of carbon steel, stainless steel, and nickel alloys.
Q3: Are there color codes to identify each tungsten electrode type?
A3: Yes, the electrodes are marked by internationally recognized color codes:
These help users quickly select the appropriate electrode for their welding application.
Q4: What sizes and shapes are available?
A4: FOTMA supplies tungsten electrodes in a variety of diameters and lengths, such as 1.0 mm, 1.6 mm, 2.4 mm, 3.2 mm, etc., with ground, pointed, or flat tips. Custom machining or packaging can be provided on request.
Q5: Are these electrodes suitable for both AC and DC welding?
A5:
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Hubei Fotma Machinery Co. Ltd.
Wechat / Whatsapp / Mobile:
+86 13995656368, +86 13907199894
Tel: +86-27-67845266
Email: bunny@fotma.com, export@fotma.com
Address: Guanggu Avenue 52#, Hongshan, Wuhan,
Hubei province, P.R.China. 430074