[TheForge] Aluminum annealing temp?

[schade at acegroup.cc]

some cold forging aluminum here.

http://www.youtube.com/watch?v=Zdi6C-oADEI

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On Dec 19, 2006, at 8:11 PM, Barking Crow wrote:

> I've been playing around with forging some trashpile aluminum rods 
> about 3/8 ".  I forge it cold until I think it may break then stop and 
> heat it with my little mapp gas torch until I think it might be 
> annealed and then let it cool and start again.  Having fun punched and 
> drifted a nice little hole.  I started out to make a wedge of aluminum 
> to put in a collection of wedges of different size, shape, and 
> material that I plan to give my daughter's boyfriend as a gift.  Then 
> I was having fun and kept on playing for awhile. My question is how 
> hot do I have to get the aluminum (a guess since I don't really know 
> what the alloy is) before letting it cool?  I've been heating the 
> piece until it is just barely red in the dark.  Is there a better way?
>
> Thanks,  Jeff in Tallahassee
>
>
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