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Tungsten Electrode

Astaras Tungsten is manufactured in our wholly owned Tungsten factories.

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Product Overview

Astaras manufactures most varieties of Tungsten and is the only manufacturer of E3 (purple) Tungsten in the world.
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E3 Tungsten

Purple Color Code: E3 is a versatile Tungsten that can be used on AC or DC. It runs cooler than 2% Thoriated Tungsten, allowing it to maintain a longer tip life.

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2% Lanthanated Tungsten

Blue Color Code: 2% Lanthanated Tungsten can be run on AC or DC and is known for having good arc starts, stability and erosion rates.

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What our clients are saying:

We switched to E3 from 2% Thoriated and we are now running each electrode longer and cooler.

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Jane Smith

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1.5% Lanthanated Tungsten

Gold Color Code: 1.5% Lanthanated Tungsten is used in low amp applications on AC and DC.

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2% Thoriated Tungsten

Red Tungsten: 2% Thoriated Tungsten has been recommended by 58 countries for immediate cease use, because of potentially unsafe levels of radioactivity.

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Zirconiated Tungsten

Brown Tungsten: Ideal for AC welding because it retains a balled tip and has a high resistance to contamination. 

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2% Ceriated Tungsten

Gray Tungsten: Widely used in low amperage DC applications due to its ability to initiate an arc with low current.

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