Tungstens

Selecting the correct tungsten size and current

Tungsten size is determined by the thickness of the metal to be

welded and the welding current used, a rough rule of thumb is 30 to 40

amps per millimetre of metal thickness,

Typical current ranges are:

1.6mm, 30 to 120 amps

2.4mm, 80 to 240 amps

3.2mm, 200 to 380 amps