[Jewelry making - Article 00409] - Re: [Orchid] Mokume Torque Plates

[James McMurray]

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    Jim,  When we bounced emails back and forth a few months ago I had
    asked about stainless bolts and plates. I purchased grade fives but
    had a number of stainless. In a pinch I used the stainless bolts with
    cold rolled steel. I also tried it with stainless plates.  All of my
    billets using sterling, fine, and nickle silver worked great. We
    tried copper, brass, shibuichi and sterling. It worked great. We also
    used steel, 18k, shibuichi it worked great. All of this was done in
    an electric kiln with tool wrap. Charcoal in all except the steel,
    18k, shibuichi. The billets worked very well and produced good rod
    stock. We must have been really lucky using the stainless. We used a
    20 ton press to compress the stacks then tightened the bolts as much
    as possible. 

    The stainless bolts worked quite a few times and still look good, I
    don't understand this given the thermal expansions. But we are now
    taking yur advice and using #5 bolts and stainless plates. 

    We need more work on patterning but we have plenty of billets to work
    with. Thank You!! 

James McMurray

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