The majority of the sheet metal welding i ve done was with a 90 amp 110 volt welder.
Welding auto body sheet metal.
The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten.
Its name derives from the term metal inert gas which is really a misnomer.
Mig welding is the preferred method for most automotive bodywork and since sheet metal is the thinnest of metals a large expensive mig unit is usually not required.
Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten.
This has become the most common type of repair and custom auto body welding.
Laniakea spot weld cutter 3 8 inch dual sided circular cutter blade hss 1 4 drill bit spot weld cutting tool set for racecar auto body remove sheet metal tack welds.
Because it will have you a lot more control over the whole process and it is more forgiving in case you do anything wrong.