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Subject: Hot Strength of Steels between 400 and 600.C

Date: 09/29/00 at 5:40 PM
Posted by: Antonio Augusto Gorni
E-mail: agorni@iron.com.br
Message Posted:

Hi!

I am trying to develop a mathematical model to calculate the power of a motor for a downcoiler installed in a Hot Strip Mill.

I am using the classical equation proposed by Tselikov in his book Rolling Mills. It requires the value of the yield strength of the steel being coiled.

That's the main problem: there is really few data about the yield strength of steels in the range between 400 and 700.C. It is relatively easy to find data and formulas for the calculation of yield strength above 700.C (hot rolling models) or below 450.C (atlas of hot tension data).

Does anybody know where can I find formulae or data for the yield strength of steels between 400 and 700.C? BTW, does anybody knows about more recent models to calculate coiling power than Tselikov's?

Thank you very much for your attention!


All the best,

Antonio
----
Antonio Augusto Gorni, Mat. Eng., M. Eng.
E-Mail: agorni@iron.com.br | agorni@ig.com.br
Home Page: http://www.gorni.eng.br
São Vicente SP, Brazil



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