Best Welder For Thin Sheet Metal

Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal.

Best welder for thin sheet metal.

It is recommended that a welder should use 023 or 024 inch wire for light gauge sheet metal work. When starting to learn auto body sheet metal welding with a mig welder you should opt for a shielding gas that has a higher proportion of argon gas. It is better to use instead of a high percentage of co2. Tig welding sheet metal.

Stainless steel are used in applications such as hvac automotive mobile machinery guards and cabs and small parts as well as stainless steel food service and processing. Carbon steel and 18 ga. As a rule when mig welding sheet metal never use a body filler metal that is thicker than the base metal. Tig welding is the way forward for metal under 0 6mm and a mig welder with decent power and wire control is needed for anything less than 0 8mm.

While sheet metal is primarily a tig welding job there are times when it s handy to have an available mig welder to fuse sheet metal. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. Forget the larger 1 8 inch tungsten electrode and use a smaller one. I was hoping to manage a butt weld too but the metal was far too thin for mig and i just blew holes.

The backing bar is used commonly by welders to cool the welded metals and they are generally made up of a copper or aluminum metal and clamped to the base of the weld piece whether it is just a piece of thin sheet metal or a body panel you can use it either way. Mig welding is the preferred method for most automotive bodywork and since sheet metal is the thinnest of metals a large expensive mig unit is usually not required. It s one of the highest quality machines available and comes incredibly low priced. The majority of the sheet metal welding i ve done was with a 90 amp 110 volt welder.