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It is known that the degree of positive segregations in upper part of ingots is very sensitiveiy dependent upon the enriched liquid velocity. In this paper, relationship between chemical composition of steel and liquid density changesare considered,Besides, the influence of the primary and secondary arm spacing (A1, ),2) on the liquid f[ow velocity, i,e, intensity of positive macrosegregations, was studied, using examples from 3-tone ingots, for different grades of steel. The elements as W, Ni.doi:10.2355/isijinternational.39.329 fatcat:bg4rid5i2ngjjdjcobvnnphpfu