Thoriated Tungsten Electrode Price on March 26, 2025

The latest price of Φ3.2x175mm thoriated tungsten electrode is USD 2.00/PC on March 26, 2025, EXW XIAMEN, CHINA.

What Is Thoriated Tungsten Electrode?

A Thoriated Tungsten Electrode is a type of tungsten electrode used primarily in Tungsten Inert Gas (TIG) welding and plasma arc welding (PAW). It is made by adding thorium oxide (ThO₂) to tungsten, typically in concentrations of 1% (WT10) or 2% (WT20) thorium.

Properties of Thoriated Tungsten Electrodes

Higher Electron Emission – Thorium improves electron emission, making arc starts easier and more stable.

Improved Arc Stability – Provides a smoother, more stable arc, reducing arc wander.

Higher Current Carrying Capacity – Can handle more current compared to pure tungsten, leading to better performance in DC welding.

Increased Electrode Life – More resistant to wear and contamination, resulting in a longer lifespan.

Good Resistance to Contamination – Less prone to oxidation and contamination than pure tungsten electrodes.

Applications of Thoriated Tungsten Electrodes

DC TIG Welding: Primarily used for welding carbon steel, stainless steel, nickel alloys, and titanium.

Aerospace and Industrial Welding: Due to its longevity and stability, it is widely used in precision welding applications.

Plasma Cutting and Welding: Works well in plasma arc welding (PAW) and plasma cutting torches.

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