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Subject: Re: Hardness problem in high chrome iron.

Date: 07/16/02 at 12:04 AM
Posted by: Aguinaldo Gonsalez
E-mail: gui.pg@ig.com.br
Message Posted:

In Reply to: Hardness problem in high chrome iron. posted by Arun Rao on 06/16/02 at 1:55 AM:

Dear Arun

The relation cromium and carbon is 10 /1.
The temperature optimum to heat treatment is 1010 C, but you must be care with heating velocity. This velocity is not superior a 85 C/ hr.
After air cooling is good to make a temper at 250 a 300C

Regards


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