Welding Aluminium Rims. A crack that goes parallel to the spin direction should not be welded because it will usually cause the wheel to become a little wider at the weld area meaning that the wheel will probably never run straight again. After that start to weld the front side while some heat is still available on the wheel.
Ive seen many aluminium wheels that were MIG Metal Inert Gas. You can use MIG wire as a filler and then start at 20 amps. Ad Search for results at MySearchExperts.
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Yes you can weld most cast aluminum. It helps the puddle to flow evenly. Yes you can weld most cast aluminum. So Ive got a new TIG welder and a cracked aluminum wheel on my dumptruck.