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Tungsten alloy high-temperature electrode contacts

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Tungsten Electrode: The Ultimate Guide for TIG Welding

What is a Tungsten Electrode?

A tungsten electrode is a critical component in TIG (Tungsten Inert Gas) welding, used to generate an electric arc that melts metals while inert gas (argon/helium) shields the weld pool from contamination. Made primarily from pure tungsten or tungsten alloys, these electrodes are chosen for their high melting point (3,422°C) and durability.

 

How to Choose the Right Electrode?

Aluminum/Magnesium (AC Welding): Use Pure (Green) or Zirconiated (White).

 Steel/Stainless Steel (DC Welding): Use Thoriated (Red) or Lanthanated (Blue/Gold).

 Precision/Low-Amperage Work: Use Ceriated (Grey) or Lanthanated (Gold).

 Safety-Conscious Applications: Avoid thoriated (radioactive); use Lanthanated (Blue/Gold).

 

Tungsten electrode

Technical Specifications

Diameter: 0.5mm – 6.0mm (0.02" – 0.25").

 Length: 75mm – 175mm (3" – 7").

 Current Capacity: 10 – 600+ amps (depends on diameter/gas).

 Point Grinding: Critical for arc stability (typically 15-30° angle).

 

Applications of Tungsten Electrodes

Aerospace: Welding critical components (titanium, Inconel).

 Automotive: Exhaust systems, roll cages, precision repairs.

 Nuclear/Power: Pipe welding, reactor components.

 Art & Sculpture: Delicate welding for artistic metals.

 

Pure tungsten electrode

#TungstenElectrode #TIGWelding #WeldingTips #Metalworking

 
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