Try going for a wire of 023 inches when welding sheet metal.
Blowing holes in sheet metal flux welding.
Make sure to use an electrode wire that is thinner as it uses lesser heat and prevents blowing holes on to the sheet metal.
This is the thinnest sheet metal i have ever welded using this process.
Have you ever welded something so thin and worn out that all you do is blow holes in it.
Its also important to have it very clean i use a wire wheel etc to clean prior to welding.
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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.
Use thin wire one big mistake we see with beginners is using welding wire that is too thick for the metal they re welding.
Did you want to learn how to work around that and deliver a solid re.
For thinner gauge sheet metal like 18 or 20 gauge we suggest 023.
On sheet metal you always stitch weld to prevent blowing holes and warping the metal from overheating.
I m welding very t.
Andy gives helpful insights and tips to mig weld thin sheet metal.
Stick welding sheet metal with 6013 rods.