To weld sheet metal with solid wires use electrode positive ep or reverse polarity.
How to weld thin sheet metal.
When welding thin metal sheets you should try to avoid burn through as much as possible.
If you are welding thin sheets ignore the 1 8 inch tungsten electrode.
Tig welding sheet metal.
It don t matter if you use 6010 for a filler once the flux is smacked off.
Weld around the edge of a tear and work your way in.
Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal.
The wires in fcaw are direct current electrode negative.
Heat and establish a puddle move along your welding direction far enough to allow the puddle to freeze keep moving.
The way around this is to weld in short pulses allowing a second or less between pulses for the steel to cool down.
The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten.
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.
I use 6010 6011 for thin sheet metal.
Only pause at the puddle and then move back to establish a puddle in the crater.
Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten.
This is a quick video showing how to weld sheet metal with a stick arc welde.
But there are several ways that one can do it.
To weld a tear or split in galvanized steel start on any edge of the metal.
Try going for a wire of 023 inches when welding sheet metal.
In the video i ve left about a second between pulses.
Short bursts or tacks will help you gain more control and adjust easily.
Forget the larger 1 8 inch tungsten electrode and use a smaller one.
There isn t a definitive answer to how one needs to approach welding sheet metal.
Want to weld your car exhaust pipe and only have your old grandpas stick welder.
Technique for thin metal.
For you first option use the ceriated tungsten followed by the thoriated tungsten.
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.
These days i ll normally leave less than half a second.
Experience plays a lot in this case but you also need to know the fundamentals that come with this type of welding.
