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Actual temperatures of structural and phase transformations Ar3 and Ar1 for different chemical compositions of low-alloy pipe steels are determined on the basis of dilatometric studies. Equations are obtained for calculating the temperature of critical points Ar3 and Ar1 taking account of the effect of 14 main chemical elements as a result of processing experimental data. It is shown that Ar3...
Available methods of assessing the characteristics of coke—in particular, its strength—are reviewed. Their relative advantages and disadvantages are considered. A method of direct determination of coke strength is proposed, including a method of assessing the crack resistance in which the porosity and also the shape and size of the sample are taken into account.
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