Tig Thin Sheet Metal Welding

Im using an everlast 160 sth and doing a fusion weld on 1mm thick sheet metal.

Tig thin sheet metal welding.

The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten. When welding thin metal the main objective is to avoid warping burn through and excessive heat affected zones while still ensuring the weld has enough mechanical strength for the application. Tigging thin sheet metal miller welding discussion forums 1. But using this method also requires some practice and practice advice in order to understand it.

Tigging thin sheet metal 11 30 2006 01 51 pm. When it comes to welding sheet metal delta techops treats most applications except aluminum as it would titanium. In this video i weld 1mm thick steel with my tig welder. Was trying to butt weld but it kept burning the edges away before fusion took place.

Titanium always requires shielding the backside of the weld to prevent oxidation. This is my first att. I am new to welding and am trying to butt weld 22 guage mild steel sheet together i am using a miller dynasty 200 dx tig tried 1 8 ceriated electrode 3 32 lath electrode with argon flow at 20 cfh settings are dc with current ranging from 10 to 50 amps the butt joints are fit fairly tight but you can see light through the gap my problem is the edges of the steel melt away and open holes almost. Tig welding for sheet metal using a tig welders means that one can work on materials of 26 gauge.

Make sure to use an electrode wire that is thinner as it uses lesser heat and prevents blowing holes on to the sheet metal. Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten. I have a miller syncrowave 200 and tried to tig up some thin 035 thick sheet metal. Short circuit transfer mig short arc tig and pulsed tig welding processes provide the most control over the heat to address these challenges.

Try going for a wire of 023 inches when welding sheet metal. Learn why mig pulsed mig tig and pulsed tig are the ideal choices when welding sheet metal.