This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment ----- Original Message -----=20 From: Paul Chick (EarthLink)=20 To: pianotech@ptg.org=20 Sent: August 27, 2002 7:14 PM Subject: Re: Foundry Castings Alan Brittle cast was for low stress, low cost castings. I'm sorry I can't = relate any specific formulas. Some cast machined very well, while = other parts were a head ache. =20 The brittle cast was probably gray iron--lots of carbon. That is why = gray iron machines easily. It is also why it breaks so readily. Del ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/4c/2c/1a/cb/attachment.htm ---------------------- multipart/alternative attachment--
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