[Jewelry making - Article 00142] - Re: [Orchid] Rolling Sterling Ingots

[frank goss]

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    Warren: Sounds like you  have a metal contamination or some other
    alloy problem. The only thing I can think of that will  make the
    metal crumble. I suggest you start with a new batch of silver and
    use a rolling alloy until you get the hang of it and then try mixing
    your used scrap 50/ 50 with fresh metal.. Give a call to one of the
    refining houses and tell them what you need in an alloy and see what
    they recommend. I personally use United Precious Metals S88 master
    alloy for sterling, which is a low ox alloy. I use it for casting as
    well as milling and have had no problems. I have however found that
    it does work harden a little faster that milling stock and has to be
    annealed more frequently when hammer forging. Frank Goss 


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