Tig Welding Auto Sheet Metal

The diameters down to 020 040 and 1 16 inch tungsten are popular.

Tig welding auto sheet metal.

Vise grip type sheet metal clamps are used to hold everything together and pulse tig is used to weld. It produces good quality results and is usually the preferred. Because it will have you a lot more control over the whole process and it is more forgiving in case you do anything wrong. When you re welding body panels you can either mig weld or tig weld.

Place the welding tip wire at the gap and tack weld several small spots spacing them evenly apart. Using this process enables more than effective work on thin materials as it provides high precision and high quality work. With the pedal i m able to fluctuate the amperage to get exactly the size weld and penetration i need. Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten.

But using this method also requires some practice and practice advice in order to understand it. Personally i hate to weld with low frequency pulsing like this. Ceriated tungsten are preferred with thoriated tungsten as a second option. If using the finger switch on the tig welder i like to set the machine to a fixed 50 60 amps for sheet metal work.

Tig is properly designated as gtaw for gas tungsten arc welding. Properly what is called mig should be called according to the american welding society aws gmaw for gas metal arc welding. You can count the pulses and its exactly 3pps or 3 pulses per second. It drives me nuts.

Mig welding is the easiest process to learn that has revolutionized autobody repair. I use a 1 16 red electrode and either 030 or 035 tig filler rod. Tig welding sheet metal forget the larger 1 8 inch tungsten electrode and use a smaller one. Tack in a few places apart from each other and wait until the panel is cool to the touch.

After all so called tig welding for tungsten inert gas is also a metal inert gas welding process. The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten. Learn how to weld sheet metal on a car. Then tack between the two previous tacks.

I m glad to get all of that sorted out thank you. While replacing body panels overheating and warping thin sheet metal is common.