[Jewelry making - Article 00173] - Re: [Orchid] Copper Soldering

[jesse Brennan]

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    Here is probably the best guide to the industrial silver brazing
    alloys: 

    http://tinyurl.com/yk6ahq (pdf file) 

    "Colors " are for them are shown but I can't say that I agree with
    those shown. 

    I go along with Judy nothing really matches -- true gilding metal (95
    copper-5 Zinc--Old pennies) comes closest but the melting points are
    too close for most brazers to work with. Old penny info at:

    http://tinyurl.com/yja4lp 

    The only possible supplier for non mill order quantities ( huge)
    seems to be Thompson enamels but even that may not be absolutely a
    color match ? 

    Design joints for welding, use oxygen free copper, and use a tig
    welder. It will work when you get the skill. 

jesse
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