How To Tig Weld Sheet Metal

When you re welding body panels you can either mig weld or tig weld.

How to tig weld sheet metal.

For welding sheet metal in aerospace applications use a 15 cup 15 16 inch diameter. Tig generates heat via an arc of electricity jumping from a tungsten metal electrode to the metal surfaces you intend to weld usually aluminum. What is an invisible weld. Using this process enables more than effective work on thin materials as it provides high precision and high quality work.

But using this method also requires some practice and practice advice in order to understand it. Learn how to weld sheet metal on a car. Forget the larger 1 8 inch tungsten electrode and use a smaller one. S curves or welds on round things.

In this article we are taking a look at how people should go about welding sheet meta l what kind of wire and shielding gas need to be used along with some tips and tricks. When it comes to welding thin sheet metal like car body panels if you are not experienced and skilled enough then you can easily create a mess as blow holes in the sheet and make the metal useless. Welding sheet metal is a special type of welding which requires a special technique. To weld sheet metal with solid wires use electrode positive ep or reverse polarity.

Tig can be used to weld copper titanium even two dissimilar metals and is handy for making tricky welds e g. Tig welding sheet metal. Then as the bead cools and solidifies it contracts but by this time the metal pieces are fused together. Using a tig welders means that one can work on materials of 26 gauge.

Other sheet metal applications e g stainless steel in food service typically call for a size 7 tig cup. When welding steel this weld bead is laid down at around 2 500 f 1 370c. Arc welding mig and tig entails fusing a filler metal with the materials being joined. Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten.

How to weld auto body sheet metal with a tig welder the best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten. Tig welding for sheet metal. Tig welding is one type of welding amongst a few choices you have mig stick oxyacetylene etc. The term invisible weld is kind of misleading.

That heat spreads out making the metal expand. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal.