• Did you ever ask them about heat treating in the end? Or find out what grade of aluminium?

    I'm still interested in the process!

  • I didn't actually. Once the bossman said he'd replace it with a new one I guess it became less relevant to me. The tone of his email would lead me to think he feels reworking the frame I have was not a solution but that probably relates more to my unusual situation than any materials science.

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