How To Wire Weld Sheet Metal

With these materials use a tri mix gas 90 helium 8 argon and 2 co 2.

How to wire weld sheet metal.

A wire feed or tig welder is ideal for sheet metal but we will assume that you don t have one. As a rule when mig welding sheet metal never use a body filler metal that is thicker than the base metal. Mig welding was developed in the 1940 s and 60 years later the general principle is still very much the same. To weld sheet metal with solid wires use electrode positive ep or reverse polarity.

Sheet metal has usage in sectors like making automobiles airplane wings and fuselages roofing and medicinal tables. The real trick to weld sheet metal is to use a wire feed. While wire feed welding sheet metal go for short bursts of welding instead of a going on a long bead. Move the torch faster and or reduce the amp setting of the welder and the lower the wire speed.

I keep it short and to the point in this welding instructional video and show how ve. It is recommended that a welder should use 023 or 024 inch wire for light gauge sheet metal work. Using a thinner wire 0 30 instead of 0 35 will also help. 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.

Mig welding is one of the simplest to use for welding. Problems with welding sheet metal. This means the. If you are burning through the metal you re not moving the torch fast enough and or your welder is set too high.

We need to establish what is considered thin metal. Mig welding for thin metal. Short bursts or tacks will help you gain more control and adjust easily. When welding 304 stainless steel er308 er308l and er308lsi wires are compatible but for welding 316l stainless you need a 316l wire.

Mig is one of the best ways to weld 20 gauge sheet metal. Mig welding uses an arc of electricity to create a short circuit between a continuously fed anode the wire fed welding gun and a cathode the metal being welded. Keep the stick out short stickout of your mig wire is important when welding any type of metal but especially sheet metal. It is an arc welding process that where you feed a solid wire electrode through a.

Learn how to mig weld automotive sheet metal in about 5 minutes or less.