[Jewelry making - Article 00557] - Re: [Orchid] Casted Vs. Die Struck Jewelry

[Volpe, Constantino]

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    John, As we do both a fair amount of cast and die struck jewelry
    here (as well as parts that are cast then struck), for us the
    decision to cast a piece or strike it comes down to which process is
    more economical and yields the best result. Some pieces can only be
    cast due to their intricate design. Others should be struck because
    the design is simple and lends itself to high volume production. One
    method is not better than the other method.  If you have a design
    that can be done either way, both methods should yield good results
    if done right. Yes, castings can have porosity, inclusions and so
    forth, but so can a die struck piece since the wrought material is
    originally cast also. I've seen plenty of porosity, pits and fire
    scale in stamped material because the starting material was poor.
    The only difference is that a casting will be softer than a struck
    piece since the struck piece is cold worked. However once you solder
    that item, that advantage goes away. In silver you can always age
    harden if that is an issue. 

Tino Volpe
Metallurgist, Technical Manager
Tiffany & Co.
300 Maple Ridge Drive
Cumberland, RI 02864-8707
401-288-0124
Constantino.Volpe AT Tiffany.com

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