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Subject: Re: Nihard4

Date: 10/04/01 at 1:13 PM
Posted by: Arun Rao
E-mail: kasc@satyam.net.in
Message Posted:

In Reply to: Re: Nihard4 posted by Ramin_Pejman on 10/04/01 at 5:12 AM:

I am surprised at the high levels of retained austenite detected. The only solution is to heat trea the casting by heating to 800Celsius and holding for a minimum period of 4 hours depending on the section thickness and then air coling. If you desire I could take up the manufacture of this Nihard casting on a trial basis.

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