There is occasionally splatter from the spread of the arc.
How to weld sheet metal with a arc welder.
That makes this a one handed process.
Removing the coating and re spraying or painting the weld seam after welding to regain corrosion resistance.
Yes arc welding sheet metal is difficult tedious and probably a bit insane but it is feasible.
As a rule when mig welding sheet metal never use a body filler metal that is thicker than the base metal.
Mig welding uses an arc of electricity to create a short circuit between a continuously fed anode the wire fed welding gun and a cathode the metal being welded.
Mig or metal inert gas welding aka gas metal arc welding or gmaw also uses a gas shield and filler material however in this case the filler is a wire fed directly through the welder.
Short bursts or tacks will help.
It is recommended that a welder should use 023 or 024 inch wire for light gauge sheet metal work.
Disclaimer due to factors beyond the.
Any arc welding process general recommendations the best way to weld galvanized steel regardless of welding process is to remove the zinc coating from the joint.
A wire feed or tig welder is ideal for sheet metal but we will assume that you don t have one.
If you are new to welding and only have room.
Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal.
This adds two operations.
To weld sheet metal with solid wires use electrode positive ep or reverse polarity.
The heat produced by the short circuit along with a non reactive hence inert gas locally melts the metal and allows them to mix together.
Every surgeon can operate a scalpel but only a few could work with any tool.
Now you know the secret of arc welding thin metal sheets.
Tig welding sheet metal.
A standard arc welder is undoubtedly the best way to weld galvanized steel.
How to weld thin gauge steel similar to car body panel down to 8mm or 1 32 of an inch thick with arc or stick welder.
If you can work outside when using an arc welder.
We need to establish what is considered thin metal.
I would compare it to performing plastic surgery with butcher knives.
Just kidding this tip is to explain how to weld sheet metal with a stick welder.
So you can keep the other hand free for manipulating your materials and other tools.
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.
Try going for a wire of 023 inches when welding sheet metal.
While wire feed welding sheet metal go for short bursts of welding instead of a going on a long bead.