How To Welding Sheet Metal

To weld sheet metal with solid wires use electrode positive ep or reverse polarity.

How to welding sheet 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. The real trick to weld sheet metal is to use a wire feed. Holding the tip too far from the surface will cause the wire to have to come out too far to touch the metal.

Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. Keep the stick out short stickout of your mig wire is important when welding any type of metal but especially sheet metal. Best deal on goodyear air hose check this out https amzn to 3b5cjvy. It is recommended that a welder should use 023 or 024 inch wire for light gauge sheet metal work.

We need to establish what is considered thin metal. The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten. For thinner gauge sheet metal like 18 or 20 gauge we suggest 023 6mm wire in your mig welder. Tig welding sheet metal.

A wire feed or tig welder is ideal for sheet metal but we will assume that you don t have one. Forget the larger 1 8 inch tungsten electrode and use a smaller one. As a rule when mig welding sheet metal never use a body filler metal that is thicker than the base metal.