How To Weld Thin Sheet Metal

Heat and establish a puddle move along your welding direction far enough to allow the puddle to freeze keep moving.

How to weld thin sheet metal. These days i ll normally leave less than half a second. To weld a tear or split in galvanized steel start on any edge of the metal. When welding thin metal sheets you should try to avoid burn through as much as possible. Experience plays a lot in this case but you also need to know the fundamentals that come with this type of welding.

Want to weld your car exhaust pipe and only have your old grandpas stick welder. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. I use 6010 6011 for thin sheet metal. For you first option use the ceriated tungsten followed by the thoriated tungsten.

In the video i ve left about a second between pulses. But there are several ways that one can do it. Work slowly around the exterior edge on the metal itself moving forward 2 3 inches 5 1 7 6 cm before bringing your welding rod back over the surface you just covered. Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten.

Weld around the edge of a tear and work your way in. This is a quick video showing how to weld sheet metal with a stick arc welde. The wires in fcaw are direct current electrode negative. Only pause at the puddle and then move back to establish a puddle in the crater.

Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. Technique for thin metal. Tig welding sheet metal. The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten.

Because it will have you a lot more control over the whole process and it is more forgiving in case you do anything wrong. Forget the larger 1 8 inch tungsten electrode and use a smaller one. It don t matter if you use 6010 for a filler once the flux is smacked off. 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.

Namely heat is the biggest factor when welding thinner material. While wire feed welding sheet metal go for short bursts of welding instead of a going on a long bead. Short bursts or tacks will help you gain more control and adjust easily. There isn t a definitive answer to how one needs to approach welding sheet metal.