By M O El-Bealy*
A mathematical model has been developed to predict the deflection of caster rolls – and hence the resulting internal quality of cast slab – under various conditions of temperature, roll material and ceramic insulating coating on the roll. It predicts the minimum thickness of coating required and shows that while cast-iron rolls require a thicker coating than steel their deflection is less.

*Companies Chair of Materials Processing & Technology, MTC-Egypt, CTU-Germany, KTH-Sweden, MIT-USA & Sweden Branch: Royal Institute of Technology