The photo is 1mm steel welded at a power setting normally reserved for 2mm steel.
Rusty thin sheet metal blowing holes welding.
I m welding very t.
Any kind of welder can be used but the best results come from a competent repairman using a tig or mig welding machine.
The butt weld page showed how to do a seam weld using a continuous torch movement.
The easiest holes to fill are small holes about the diameter of a pen or smaller.
Sheet metal on the body of cars and trucks is pretty thin usually 18 22 gauge.
Repairing rust or a rust hole on metal without welding requires a material that bonds and is as strong as metal.
The complexity of welding increases as the thickness of the material decreases.
This is the thinnest sheet metal i have ever welded using this process.
A rust hole compromises the structural integrity of the metal.
Try going for a wire of 023 inches when welding sheet metal.
Video of the day.
Try applying that technique to steel less than 1mm in thickness and you are likely to blow a hole in the metal.
The most permanent repair to a hole in sheet metal is to weld the hole shut.
Stick welding sheet metal with 6013 rods.
The welding process actually adds new steel to the thin steel and can result in a repaired spot that is stronger than the original metal.
Two part epoxies are designed for this purpose and when applied to a clean surface the final repair will be undetectable after painting.