How To Weld Auto Body Sheet Metal

Try going for a wire of 023 inches when welding sheet metal.

How to weld auto body sheet metal.

Place the welding tip wire at the gap and tack weld several small spots spacing them evenly apart. Mig is going to be your go to welding type for most auto body repairs. Resistance or spot welding. This has been a mainstay of automotive construction since the 1930s.

It can handle a wider range of thicknesses than tig or stick. The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten. Short bursts or tacks will help you gain more control and adjust easily. 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.

Tack in a few places apart from each other and wait until the panel is cool to the touch. Mcr s method of butt welding sheet metal is to do three or four quick tack welds followed by and air quench. Tig welding sheet metal. To weld sheet metal with solid wires use electrode positive ep or reverse polarity.

While replacing body panels overheating and warping thin sheet metal is common. In this video im showing you the process i use to do small rust repairs where a complete panel. Then tack between the two previous tacks. 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.

Forget the larger 1 8 inch tungsten electrode and use a smaller one. Avoid warping the sheet metal. 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.

Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten. While wire feed welding sheet metal go for short bursts of welding instead of a going on a long bead.