Sheet Metal Welding Forum

I don t use mig for sheet metal but this video shows a different way to weld in the panel using mig.

Sheet metal welding forum.

You are currently viewing as a guest which gives you limited access to view discussions. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. Tig welding sheet metal. Relieving as much distortion during the weld can help prevent this in my worthless opinion.

Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. Welding sheet metal with a mig involves what i refer to as dot welding. One zap at a time. I especially recommend hammer and dolly while mig welding because you can manage the distortion better.

023 vs 030 for sheet metal 10 01 2006 03 14 pm there seems to be much difference of opinions on which size wire works best on sheet metal 22 g 18 g i ve always used 030 in my mm210 harris 20 gauge in my 110 machine. A mig weld is harder than the sheet metal its welding and can crack. Every time you weld a mig dot it is going to shrink in a circumferential fashion pulling from all sides. I never force cool a weld.

Before you even get to welding this starts with panel fitment you want gaps as absolutely tight as you can possibly manage. Here you can join over 40 000 welding professionals enthusiasts from around the world discussing all things related to welding.