Tungsten electrodes is available in industry standard lengths (175 mm long) and diameters (1.0, 1.2, 1.6, 2.0, 2.4, 3.2, 4.0, 4.8 mm). Ten-count tungsten packages are conveniently color-coded according to tungsten type and feature.
Pure (99.8% W) (Colour Code: Green)
Forms a clean, balled end when heated and provides good arc stability for AC welding with a balanced or unbalanced squarewave or sine wave. - 2% Thoriated (Colour Code: Red)
Offers good arc starting and is ideal for high current requirements. Also good for low-amperage AC applications using a modified point. -
2% Ceriated (Colour Code: Gray)
Performs well in DC welding and arc starting at low current settings, and can be used proficiently in AC processes. -
1.5% Lanthanated (Colour Code: Gold)
Provides excellent arc starting, arc stability and re-ignition, and is less prone to tip wear. -
2% Lanthanated (Colour Code: Light blue)
Provides excellent arc starting, arc stability and re-ignition, and is less prone to tip wear