In a message dated 3/31/2000 10:54:08 PM, you wrote: <<In fact the very high stiffness (young's modulus) of modern high carbon steel, or indeed iron with any appreciable carbon content,>> <<Which explains why even the moden repro wire just doesn't sound like old iron...any carbon in wire and young's modulus goes way up, even a bit. >> Stephen; I thought that iron was high in carbon content (4% +) and that steel was made from iron ore when the impurities, carbon, sulfur, etc., were driven off via some process...with differing grades of 'steel' having differring alloy materials i.e. brass, copper, nickle, carbon introduced into the mix as desired. "High carbon steel" contains 1.5% +/- carbon content and above 2% it is considered iron...isn't it? Perhaps I am missing something vis a vis "iron strings". Jim Bryant (FL)
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