How To Tig Weld Sheet Metal

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.

How to tig weld sheet metal. Watch the welding sheet metal video and learn. Tig welding is one type of welding amongst a few choices you have mig stick oxyacetylene etc. When welding steel this weld bead is laid down at around 2 500 f 1 370c. Tig welding for sheet metal.

That heat spreads out making the metal expand. In this welding sheet metal video what is meant by invisible weld is a tig weld that is ground flat planished with a dolly and auto body tool and then fine sanded so that it looks like shiny bright metal and it is not obvious where the weld is. Other sheet metal applications e g stainless steel in food service typically call for a size 7 tig cup. Mig welding is the easiest process to learn that has revolutionized autobody repair.

The term invisible weld is kind of misleading. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. 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. When you re welding body panels you can either mig weld or tig weld.

Tig can be used to weld copper titanium even two dissimilar metals and is handy for making tricky welds e g. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. But using this method also requires some practice and practice advice in order to understand it. Using a tig welders means that one can work on materials of 26 gauge.

Tig welding sheet metal. Welding sheet metal is a special type of welding which requires a special technique. Tig generates heat via an arc of electricity jumping from a tungsten metal electrode to the metal surfaces you intend to weld usually aluminum. S curves or welds on round things.

Learn how to weld sheet metal on a car. Using this process enables more than effective work on thin materials as it provides high precision and high quality work. What is an invisible weld. Forget the larger 1 8 inch tungsten electrode and use a smaller one.

Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten. Arc welding mig and tig entails fusing a filler metal with the materials being joined.