Welding Sheet Metal Tig

Tack weld different areas of the joint about an inch apart.

Welding sheet metal tig.

Using this process enables more than effective work on thin materials as it provides high precision and high quality work. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. While sheet metal is primarily a tig welding job there are times when it s handy to have an available mig welder to fuse sheet metal. The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten.

Tack welding is the best way to hold the metal in place before you fully weld it to the original metal. Tack welds are simply small welds that barely penetrate the metal and aren t pushed or pulled to form a bead. The hobart handler 140 mig is the best affordable mig welder for sheet metal. To weld sheet metal with solid wires use electrode positive ep or reverse polarity.

How to weld auto body sheet metal with a tig welder. Using a tig welders means that one can work on materials of 26 gauge. Forget the larger 1 8 inch tungsten electrode and use a smaller one. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal.

This will hold it in place and allow you to weld it properly. But using this method also requires some practice and practice advice in order to understand it. Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten. Other sheet metal applications e g stainless steel in food service typically call for a size 7 tig cup.

Subscribe to my channel for more weekly videos. For welding sheet metal in aerospace applications use a 15 cup 15 16 inch diameter. Tig welding sheet metal.