Simulating structure-forming processes in tube steels during controlled rolling with accelerated cooling

The technology of combining controlled rolling with accelerated cooling (CR + AC) makes it possible to produce thick plates having a unique combination of strength, toughness, cold resistance, and weldability. This technology is characterized by several key parameters (cooling rate, the temperature at which accelerated cooling is ended, etc.), which should be determined and substantiated from the viewpoint of the structure-forming processes that take place in the plate metal. Values of the parameters for CR + AC were obtained by analyzing the results from a study of the phase transformations and structure-forming processes which occur during accelerated cooling. __________ Translated from Metallurg, No. 7, pp. 52–58, July, 2007.