> I have an opportunity to have some strings analyzed to ascertain the exact
> cause of why they broke(long story). In order for the analysis to be done
> accurately they need to know the composition metal of piano wire. I have always
> understood it to be tempered steel.
>
Greetings,
I don't think it is tempered, but, rather, annealed in order to rectify
the work hardening that occurs when the metal is drawn through the dies.
It is also curious that someone could analyse wire to determine the cause
of breakage and not be able to analyse the material, itself.????
regards,
Ed Foote RPT
http://www.uk-piano.org/edfoote/index.html
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