On Sun, 07 Dec 2008 10:18:04 +0000, The Natural Philosopher wrote:

Brass I think would work harden very quickly and fracture.

blowlamp.

If the OP can make the form he wants with it hot in the flame... I got the
impression that he wanted to cold from what ever it is but that could be a
bad assumption.

--
Cheers
Dave.