Rusty Thin Sheet Metal Blowing Holes Welding

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Rusty thin sheet metal blowing holes welding. Sheet metal on the body of cars and trucks is pretty thin usually 18 22 gauge. The butt weld page showed how to do a seam weld using a continuous torch movement. Video of the day. Two part epoxies are designed for this purpose and when applied to a clean surface the final repair will be undetectable after painting.

The easiest holes to fill are small holes about the diameter of a pen or smaller. Repairing rust or a rust hole on metal without welding requires a material that bonds and is as strong as metal. A rust hole compromises the structural integrity of the metal. Make sure to use an electrode wire that is thinner as it uses lesser heat and prevents blowing holes on to the sheet metal.

Try going for a wire of 023 inches when welding sheet metal. Stick welding sheet metal with 6013 rods. Try welding with a scrap sheet metal piece and practice many times until you start working on more important projects. Any kind of welder can be used but the best results come from a competent repairman using a tig or mig welding machine.

This is the thinnest sheet metal i have ever welded using this process. The complexity of welding increases as the thickness of the material decreases. The most permanent repair to a hole in sheet metal is to weld the hole shut. The photo is 1mm steel welded at a power setting normally reserved for 2mm steel.