Tungstens

Tungsten electrodes are the heart of the TIG welding process, providing a stable arc and precise control across a wide range of materials. Different tungsten types are identified by coloured tip markings, with each composition offering specific performance characteristics for AC and DC applications, including aluminium, stainless steel, mild steel and exotic alloys.

The colour chart below provides a quick reference guide to the most common tungsten electrode types, helping you select the right electrode for your welding application based on current type, material and operating conditions.

Tip Colour	Type	Best For
Black	Lanthanum (1%)	AC & DC – general purpose
Blue	Lanthanum (2%)	AC & DC – premium all round tungsten
Gold	Lanthanum (1.5%)	AC & DC – popular all rounder
Green	Pure	AC welding aluminium
Grey	Ceriated (2%)	Low amp DC, thin materials
Purple	E3	AC & DC – long life hybrid tungsten
Red	Thoriated (2%)	DC welding steel & stainless
White	Zirconiated (0.8%)	AC welding aluminium

Tungstens

Colour Code

Diameter

Wire Type

2.0mm Tungsten Electrode Grey Starparts Ceriated Grey Pack 10

2.4mm Tungsten Electrode Grey Ceriated Grey Pack 10

3.2mm Tungsten Electrode Grey Ceriated Grey Pack 10

4.0mm Tungsten Electrode Grey Ceriated Grey Pack 10

4.8mm Tungsten Electrode Grey Ceriated Grey Pack 10

6.4mm Tungsten Electrode Grey Ceriated Grey Pack 10

Colour Code

Diameter

Wire Type

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