[Jewelry making - Article 00666] - Re: [Orchid] Gunmetal?

[Jerry Smith]

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Hi,

    Gummetal is 4140 Steel what is "Blued" which is a chemical process,
    that has a simple version and a hot tank version. There are other
    methods for other colours such as parkerizing, which is a dull grey
    and a brown colour process from the Brown Bess days about 200 years
    ago. These colourings were to help prevent rusting or for the look. 

    The colour itself can be replicated thru several patine methods that
    I have seen. Try Prizm art supply out of Toledo or Pittsburgh for
    some of the Patines that they carry. 

    Hope this gives you a clearer picture and once in a while I made
    jewelry from old gun barrels. 

Jerry

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