Use low amp setting and stitch weld around the piece. it also helps to use a
strip of copper behind where you are welding. the copper supports the weld
without sticking and acts as a heat sink so you dont blow through. Your local
welding supply shop might even carry a tool made for this it is just a piece
of thick copper strip with a handle to make holding the hot copper easier.
Using this method you can weld paper thin sheet metal.
Tod Jones
Harrisonburg Va
67 Spit Mk II
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