How To Weld Thin Sheet Metal

The wires in fcaw are direct current electrode negative.

How to weld thin sheet metal.

Experience plays a lot in this case but you also need to know the fundamentals that come with this type of welding. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten. Want to weld your car exhaust pipe and only have your old grandpas stick welder.

Heat and establish a puddle move along your welding direction far enough to allow the puddle to freeze keep moving. For you first option use the ceriated tungsten followed by the thoriated tungsten. The way around this is to weld in short pulses allowing a second or less between pulses for the steel to cool down. To weld a tear or split in galvanized steel start on any edge of the 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. Tig welding sheet metal. Namely heat is the biggest factor when welding thinner material.

Technique for thin 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. Weld around the edge of a tear and work your way in. In the video i ve left about a second between pulses.

Only pause at the puddle and then move back to establish a puddle in the crater. This is a quick video showing how to weld sheet metal with a stick arc welde. These days i ll normally leave less than half a second. For sheet metal i use ine welding wire and it is just as good as their flux cored wire if you want you can grab one here.

If you are welding thin sheets ignore the 1 8 inch tungsten electrode. Try going for a wire of 023 inches when welding sheet metal. Short bursts or tacks will help you gain more control and adjust easily. I use 6010 6011 for thin sheet metal.

The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten. But there are several ways that one can do it. When welding thin metal sheets you should try to avoid burn through as much as possible. While wire feed welding sheet metal go for short bursts of welding instead of a going on a long bead.