Centrifugal casting of spun
cast alloy indefinite chill roll
Spun Cast Alloy Indefinite Chill Rolls :
These rolls are spun cast
with highly alloyed shell consisting of Nickel, Molybdenum and
Chromium. The Core can be grey iron with flake graphite, iron or
spheroidal graphite iron depending on the mill requirement of neck
The shell micro structure consists of bainitic/martensitic matrix
with carbides and fine graphites. The micro structure offers
excellent surface finish to rolled product along with bruise and
crack resistance due to presence of graphite which can be altered
depending upon the rolling condition.
Applications: These rolls are used as work rolls in the finishing
stands of Hot Strip Mills, Plate Mills and Steckel Mills. Low
hardness spun cast Indefinite Chill Rolls can also be used as work
rolls in Roughing stands of Hot strip Mills and Steckel Mills.