How To Spot Weld Sheet Metal

We need to establish what is considered thin metal.

How to spot weld sheet metal.

A wire feed or tig welder is ideal for sheet metal but we will assume that you don t have one. My names matt urch and i own and. Short bursts or tacks will help. In this video matt goes over the basics and techniques of spot rosette welds.

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. Just kidding this tip is to explain how to weld sheet metal with a stick welder. Tig welding sheet metal. Try going for a wire of 023 inches when welding sheet metal.

At v f sheet metal we can spot weld mild steel zintec galvanised steel and stainless steel in gauges from 0 7mm to 3mm thick. The real trick to weld sheet metal is to use a wire feed. So while i was at it i thought i show you some ways of spot welding and bu. While wire feed welding sheet metal go for short bursts of welding instead of a going on a long bead.

Forget the larger 1 8 inch tungsten electrode and use a smaller one. Im installing floor pans in my 86 cutlass and i have to add some metal to the pan. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. If you are doing sheet metal work on your car then you will certainly need to.

I keep it short and to the point in this welding instructional video and show how ve. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. Spot welding uses the heat from an electrical current to join 2 pieces of metal quickly and is typically used for joining sheet metal. Here s a quick video on how to plug weld sheet metal using mig without blowing yourself a bigger hole than you started with.

It s also easy to do with a spot welding machine which has 2 electrode tongs about 6 inches 15 cm long that pass an electrical current through the metal to fuse them together.