How To Spot Weld Sheet 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.

How to spot weld sheet metal. While wire feed welding sheet metal go for short bursts of welding instead of a going on a long bead. Learn how to mig weld automotive sheet metal in about 5 minutes or less. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. Just kidding this tip is to explain how to weld sheet metal with a stick welder.

Im installing floor pans in my 86 cutlass and i have to add some metal to the pan. So while i was at it i thought i show you some ways of spot welding and bu. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. Short bursts or tacks will help.

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. I keep it short and to the point in this welding instructional video and show how ve. Forget the larger 1 8 inch tungsten electrode and use a smaller one. My names matt urch and i own and.

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. Buy the kit here. A wire feed or tig welder is ideal for sheet metal but we will assume that you don t have one. 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.

We need to establish what is considered thin metal. The real trick to weld sheet metal is to use a wire feed. Here s a quick video on how to plug weld sheet metal using mig without blowing yourself a bigger hole than you started with. Try going for a wire of 023 inches when welding sheet metal.

In this video matt goes over the basics and techniques of spot rosette welds.