The majority of the sheet metal welding i ve done was with a 90 amp 110 volt welder.
Weldment and sheet metal.
When welding 304 stainless steel er308 er308l and er308lsi wires are compatible but for welding 316l stainless you need a 316l wire.
This will make them more conducive and allow them to carry the welding current much better.
Just grab a piece of sheet metal to get the heat set correctly and go to town.
For 3 32 7018 s it s about the same.
In order to weld sheet metal or patch panel you have to follow certain rules and use specific techniques.
Here s a few tips on repairing rust holes in car body panels.
Tack welding is the best way to hold the metal in place before you fully weld it to the original metal.
A good heat setting for 1 8 6011 rods on thin material is about 80 90 amps.
Tack welds are simply small welds that barely penetrate the metal and aren t pushed or pulled to form a bead.
Short bursts or tacks will help.
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.
Everyone is different but those settings will get you in the right ballpark to weld sheet metal.
It s one of the highest quality machines available and comes incredibly low priced.
Tack weld different areas of the joint about an inch apart.
It also protects the finished welds with ion from the zinc particles found in the coating after the weld is made.
While sheet metal is primarily a tig welding job there are times when it s handy to have an available mig welder to fuse sheet metal.
This will hold it in place and allow you to weld it properly.
Try going for a wire of 023 inches when welding sheet metal.
With these materials use a tri mix gas 90 helium 8 argon and 2 co 2.
Sheet metal welding techniques.
The hobart handler 140 mig is the best affordable mig welder for sheet metal.
While wire feed welding sheet metal go for short bursts of welding instead of a going on a long bead.
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.
To weld sheet metal with solid wires use electrode positive ep or reverse polarity.