The analysis objective was to establish the influence of casting technology variables on A-segregations in 50 tons ingot in order to increase the homogeneity of AISI 4340 forgings products. The effect of initial mold temperature, hot top size and pouring temperature on the segregation process have been analyzed.

A-segregations prediction module, based on the mechanism proposed by K.Suzuki and T.Miyamoto, developed by Industrial Soft has been attached to the solidification software SimCADE v.2.0 and employed in these numerical experiments.

The conclusion section comes with seven practical recomandations that will help steel manufacturers and forging products buyers to take better decisions, save time, energy and increase the homogeneity of the mechanical properties.

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