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Thanks for the reply of metal wisdom Charlie

As far as chemically altering? I would think anything that was strong enough to affect the temper would surely eat through the steal first? Could be wrong, but a strong acid or exothermal substance...

You could go uber cheap, and put it in a container w/ about 1L of coca cola...if you remember high school chemistry, it'll eat enamel over night almost..lol You asked for suggestions, boy you got it!