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  1. bleucamaro

    Aluminum wheel failure after powder coating?

    Swall, When I was in the powder coat industry, the typical aluminum cleaning process was as follows: remove any grease with solvent based cleaner (MEK), remove any coatings with media blasting (thin components may recieve alternative method), outgas cast aluminum at 225°F for 45min, degrease...
  2. bleucamaro

    Aluminum wheel failure after powder coating?

    Assume a 356-T6 for cast wheels, and 6061-T6 for forged wheels, is it possible to age past these tempers? Is there a spec. or reference that shows this?
  3. bleucamaro

    Aluminum wheel failure after powder coating?

    I've heard rumors of aluminum wheels failing (cracking) after being powder coated. I've heard cases of both cast and forged wheels failing. Unfortunately I do not have any alloy details. According to AMS-H-6088(SAE specification for the Heat Treatment of Aluminum Alloys) most alloys will not...

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