Advantage of Centrifugal Casting Process for Rough Rolling Bar mill
（1）After using centrifugal casting process，the strength of the rolls was elevated largely，and the technical difficult problem of roll breaking off has been basically solved. （2）The hardness drop of the roll body became less，and the working durability of the rolls increased obviously（3）The nodularizing degeneration problem of the nodular iron used as the material of the roll […]