[Jewelry making - Article 00011] - Re: [Orchid] Chasing and repousse book recommendation?

[James Miller]

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Hi Noel,

    I don't know if the orchid digest mis printed your advice on
    tempering chasing tools, but you seem to have missed out the steel
    hardening section. Tempering is a process of softening the steel tip
    down after hardening. 

    Here is my method 

    1) anneal the steel to a cherry red and let cool slowly on the
    firebrick 

    2) form, or shape the tool, then clean it up and polish it 

    3) re harden the tool by annealing the working tip to cherry red and
    quenching immediately in oil or water. 

    4) re emery paper the tool and polish it so that you can see the
    temper colours easy 

    5) use a small flame just below the tip of the tool and heat until
    the colors appear, heat gently until your required temper colour hits
    the tip, then quench quickly to hold that temper, then a final
    polish. 

    I hope you don't mind me adding a bit to your advice Noel. 

Best regards James
James Miller FIPG in the UK
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