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Silver expansion

Hi everyone, I’m a newcomer to your site, but I love the wealth of
advise and support that’s so freely given, I’m learning
heaps - thanks. Now to my question. What is the coefficient of
expansion of sterling silver? I can’t find this in any reference book
or any book on metallurgy ( that I can understand). I’m working on an
idea of shrink fitting silver around other materials, stone, shell
etc, and I need to know the tolerances I can work to so that I don’t
put too much stress into the pieces. I’d be grateful for any info or
advise you can give. Cheers from sunny Nelson, NZ Ian.