Wire Welding Sheet Metal

If you are burning through the metal you re not moving the torch fast enough and or your welder is set too high.

Wire welding sheet metal.

Try going for a wire of 023 inches when welding sheet metal. Plug welding start off by drilling 7 5mm holes in the front sheet of metal at a spacing of normally 25mm to 40mm or whatever the original spot weld spacing was. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. For thinner gauge sheet metal like 18 or 20 gauge we suggest 023 6mm wire in your mig welder.

However if you are dealing with materials that are 18 gauge or thicker one should be able to use 030 inch welding wire. Top welding wire for sheet metal. Then clamp this sheet onto the back sheet. Tig welding sheet metal.

As a rule when mig welding sheet metal never use a body filler metal that is thicker than the base metal. There are four basic types of welding. Mig tig flux cored and stick. 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 welding thicker material at higher total heat levels use 035 inch wire or 045 inch wire if it s within your welder s output range. Forget the larger 1 8 inch tungsten electrode and use a smaller one. This type of bond is stronger than other bonds such as soldering which can be reversed.

Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. Short bursts or tacks will help you gain more control and adjust easily. 7 5mm is a reasonably good hole size for 0. As for wire diameter 030 inch diameter is a good all around choice for welding a wide range of metal thicknesses.

Problems with welding sheet metal. Welding two pieces of metal together forms a permanent bond in which the metals are heated to a melting point mixed together and then cooled creating a single object. Elgiloy specialty metals is a manufacturer of standard custom specialty metals alloys including high performance alloy strip wire. 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.

Keep the stick out short stickout of your mig wire is important when welding any type of metal but especially sheet metal. Holding the tip too far from the surface will cause the wire to have to come out too far to touch the metal.