How To Weld Auto Body Sheet Metal

While wire feed welding sheet metal go for short bursts of welding instead of a going on a long bead.

How to weld auto body sheet metal.

The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten. Then tack between the two previous tacks. In this video im showing you the process i use to do small rust repairs where a complete panel. Try going for a wire of 023 inches when welding sheet metal.

This has been a mainstay of automotive construction since the 1930s. How to weld auto body sheet metal with a tig welder. Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten. Here s a few tips on repairing rust holes in car body panels.

Tack in a few places apart from each other and wait until the panel is cool to the touch. Short bursts or tacks will help you gain more control and adjust easily. While replacing body panels overheating and warping thin sheet metal is common. For sheet metal i use ine welding wire and it is just as good as their flux cored wire if you want you can grab one here.

Tig welding sheet metal. Mcr s method of butt welding sheet metal is to do three or four quick tack welds followed by and air quench. Forget the larger 1 8 inch tungsten electrode and use a smaller one. They also generally move around the part so that consecutive welds are not next to each.

Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. Mig is going to be your go to welding type for most auto body repairs. It uses no flux or filler and is accomplished by applying a concentrated short circuit and strong physical pressure to a small spot on as many as three thicknesses of body metal to be joined. To weld sheet metal with solid wires use electrode positive ep or reverse polarity.

Resistance or spot welding. Avoid warping the sheet metal.