| The process starts when 24ct
pure gold casting grain is mixed with
varying quantities of copper, zinc and silver to form 9,14 and 18 carat gold alloys. |
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A solder core of the same purity but lower melting point is slid inside the rod. |
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Molten alloy is drawn through a die at the base of a graphite crucible. It cools forming a 1"dia.tubular rod. |
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The completed bar is rolled down to the small sizes and shapes of wire used in chain making. |
Click here to see the chain making and finishing processes.
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