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I need to TIG weld aluminium but I need some help
Aluminium and its alloys conduct heat more quickly than steels and therefore have different properties when TIG welding. We have a page dedicated to the characteristics of aluminium and you can read more by visiting the Aluminium Welding Information page.
You will need an AC/DC TIG welder to weld aluminium as this process uses the AC function (DC is for welding steels only). In addition you will also need a white tipped tungsten (Zirconiated) for the end of the torch and a suitable aluminium TIG filler rod.