How To Spot Weld 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 spot weld sheet metal.

The process of spot welding sheet metal fabrications is quite simple it is basically harnessing the heat generated by the resistance to electrical current flow at the interface joint of two separate pieces of sheet metal. Buy the kit here. Tig welding sheet metal. Just kidding this tip is to explain how to weld sheet metal with a stick welder.

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

So while i was at it i thought i show you some ways of spot welding and bu. We need to establish what is considered thin 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. Im installing floor pans in my 86 cutlass and i have to add some metal to the pan.

Short bursts or tacks will help. Forget the larger 1 8 inch tungsten electrode and use a smaller one. Learn how to mig weld automotive sheet metal in about 5 minutes or less. Try going for a wire of 023 inches when welding sheet metal.

While wire feed welding sheet metal go for short bursts of welding instead of a going on a long bead. In this video matt goes over the basics and techniques of spot rosette welds. My names matt urch and i own and. I keep it short and to the point in this welding instructional video and show how ve.

If you are doing sheet metal work on your car then you will certainly need to.