Thread: Cooked my brass, Whoops

Originally Posted by Puffin

@Feather or Shoot I recently came across the following:
http://web.nchu.edu.tw/~jillc/me/Ch1...0Treatment.pdf
Pages 33-37

That's some confusing stuff @Puffin!

I get that softening happens during the re crystallization temperature boundaries of 200& 500°C. I don't get how they don't show time on that graph. They then refer to the annealing of brass at 580°C being totally re crystallized after 8 seconds.
Interesting that the more worked brass is the less temperature it takes to anneal.

In the steel section they talk of age hardening at low temperatures for long times, I wonder if brass age softens when treated the same.

Any idea what hardness we are aiming for when annealing cartridge brass?

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