Tig welding sheet metal.
How to welding sheet metal.
Holding the tip too far from the surface will cause the wire to have to come out too far to touch the metal.
As a rule when mig welding sheet metal never use a body filler metal that is thicker than the base metal.
The real trick to weld sheet metal is to use a wire feed.
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.
The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten.
A wire feed or tig welder is ideal for sheet metal but we will assume that you don t have one.
It is recommended that a welder should use 023 or 024 inch wire for light gauge sheet metal work.
To weld sheet metal with solid wires use electrode positive ep or reverse polarity.
Just kidding this tip is to explain how to weld sheet metal with a stick welder.
However if you are dealing with materials that are 18 gauge or thicker one should be able to use 030 inch welding wire.
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How to weld auto body sheet metal with a tig welder.
Because it will have you a lot more control over the whole process and it is more forgiving in.
Forget the larger 1 8 inch tungsten electrode and use a smaller one.