[Jewelry making - Article 00017] - Re: [Orchid] Hardening silver prongs on a mount

[James Binnion]

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Mark,

>     do an age hardening, 550 deg f for 2 hours in your oven. cool as
>     slowly as possible, preferably turn the oven off, leave closed, and
>     let cool overnight. 

    There is absolutely no need to slow cool. Any age hardening benefit
    is derived from holding at the precipitation temp not the cooling
    rate after precipitation. 

Jim

James Binnion
jbin AT mokume-gane.com
James Binnion Metal Arts
http://www.mokume-gane.com
360-756-6550

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