A guy in another newsgroup wants to make a small box for a pellet stove, and so far, we've decided that if he can find a small piece of cnc punched plate, that would be the way to go. I suggested post fab heat treatment.
Now, the question.
After you heat it up in an oven, say 500+ for an hour or so, do you let it cool slowly, or dump it into oil?
What result do each of those actions do?
What he wants is to keep this little box from deforming, even with the small fire of a pellet stove, and I've had questions about larger applications, and want to understand more about this.
Good answers or good links appreciated
Steve