> 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 ************** A Good Credit Score is 700 or Above. See yours in just 2 easy steps! (http://pr.atwola.com/promoclk/100000075x1218550342x1201216770/aol?redir=http://www.freecreditreport.com/pm/default.aspx?sc=668072%26hmpgID=62%26bcd=fe bemailfooterNO62) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech_ptg.org/attachments/20090210/5a6589f0/attachment.html>
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