Blowing Holes In Sheet Metal Flux Welding

This is the thinnest sheet metal i have ever welded using this process.

Blowing holes in sheet metal flux welding.

For thinner gauge sheet metal like 18 or 20 gauge we suggest 023. 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. Andy gives helpful insights and tips to mig weld thin sheet metal. Try going for a wire of 023 inches when welding sheet metal.

I keep blowing through my thin sheet. On sheet metal you always stitch weld to prevent blowing holes and warping the metal from overheating. Make sure to use an electrode wire that is thinner as it uses lesser heat and prevents blowing holes on to the sheet metal. Use thin wire one big mistake we see with beginners is using welding wire that is too thick for the metal they re welding.

Try welding with a scrap sheet metal piece and practice many times until you start working on more important projects. Its also important to have it very clean i use a wire wheel etc to clean prior to welding. Best deal on goodyear air hose check this out https amzn to 3b5cjvy. Have you ever welded something so thin and worn out that all you do is blow holes in it.

That way you dont erode the metal away.