[Jewelry making - Article 00341] - Re: [Orchid] Torch vs. Electromelt

[leonid Surpin]

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    These are all valid points, but electro melt has one distinct
    advantage. The precise temperature control. In my opinion this is
    overriding factor. To achieve good crystalline structure of the
    alloy, it must be poured at precise temperature. Lower that optimum,
    and casting is incomplete, and higher temperature would produce
    alloy with large grain which is inferior and also could produce
    porosity. If all I need an ingot then torch is fine, but for more
    elaborate work, precise temperature control worth all the
    disadvantages.
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