How To Weld Gaps In Sheet Metal

Because it will have you a lot more control over the whole process and it is more forgiving in case you do anything wrong.

How to weld gaps in sheet metal.

Make the replacement metal is not larger than the original metal or it will not fit. For cv mig welding on sheet metal wire diameters of 035 inch are recommended. Andy gives helpful insights and tips to mig weld thin sheet metal. For even thinner materials try a 035 inch filler metal.

Tack weld in place. Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten. Use short bursts when you weld. A 100 argon shielding gas is the most common in mig welding aluminum sheet metal.

When mig welding a patch panel on your car body panels you should think of leaving small gaps between the patch panel and the original metal. Here s a little trick i use when i come up against a gap that s a tad to big. Take the time for proper fit up proper tight part fit up is especially important when welding thin materials. How to mig weld large gaps the right way corners.

During the welding process the metal will get hot and the gap a welder leaves will compensate for the expansion that occurs. The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten. I keep blowing through my thin sheet. My names matt urch and i own and run urchfab welding and fabrication.

If you have a gap because you drilled a piece incorrectly and need to fill in one of the holes you can do that. Working in short bursts will form a bridge between both pieces of metal.