How To Tig Weld Thin Sheet Metal

Typically call for a size 7 tig cup.

How to tig weld thin sheet metal.

It produces good quality results and is usually the preferred method for autobody repair unless you re a very experienced welder. Tig welding for sheet metal. For welding sheet metal in aerospace applications use a 15 cup 15. Carbon steel and 18 ga.

Gas metal arc welding gmaw is an effective method for joining light gauge metals such as carbon steel and austenitic stainless steel. Select your welding rod based on the size of the metal. Sheet metal is only thin. Forget the larger 1 8 inch tungsten electrode and use a smaller one.

There are no unique or galvanized steel specific tools or materials that you need. Are you planning to do weld auto body sheet metal or any thin metal welding with mig welder or tig welder you should keep in mind some critical things to avoid creating any unwanted situations and we have decided to incorporate them in right here. You can use a welding rod of any size as long as it works with your welder. 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.

Use a 6013 7018 6011 or 6010 welding rod. Using a tig welders means that one can work on materials of 26 gauge. When you re welding body panels you can either mig weld or tig weld. 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. But using this method also requires some practice and practice advice in order to understand it. Tig welding sheet metal. Keep in mind that a bigger rod is going to weld a larger area than a smaller rod.

In thin applications shielding gas on the backside of the weld reduces heat input. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. Auto body sheet metal welding with different welders.