How To Weld Thin Sheet Metal With A Mig

However if you are dealing with materials that are 18 gauge or thicker one should be able to use 030 inch welding wire.

How to weld thin sheet metal with a mig.

For mig welding sheet metal it is often recommended to use an electrode wire of the smallest diameter to prevent burn through and warping. If your welding wire is too thick it will take more heat to melt the wire than the substrate and can make it even more prone to blowing holes in the panel. Learn why mig pulsed mig tig and pulsed tig are the ideal choices when welding sheet metal. As a rule when mig welding sheet metal never use a body filler metal that is thicker than the base metal.

The stitch welding technique can be very powerful. Keep the stick out short stickout of your mig wire is important when welding any type of metal but especially sheet. It is recommended that a welder should use 023 or 024 inch wire for light gauge sheet metal work. Tips for welding sheet metal with mig or tig.

For thinner gauge sheet metal like 18 or 20 gauge we suggest 023 6mm wire in your mig welder. I was hoping to manage a butt weld too but the metal was far too thin for mig and i just blew holes. Learn how to mig weld automotive sheet metal in about 5 minutes or less. Here s a shot of 0 3 mm stainless cut from a 5l thinners can that was welded in this way.

I keep it short and to the point in this welding instructional video and show how ve. The main reason to use a smaller diameter wire is that it takes less heat for melting and hence the metal around the weld is not heated to a very great extent.