When a rectangular section, 100 wide and 60mm thick is rolled to some thickness in one pass with rolls of 400mm diameter in the hot rolling, where coefficient of friction is 0.3mm.
(i) What is the highest possible reduction in that pass ?
(ii) What will be the “length of contact “with the rolls?
(iii) If the mean rolling pressure is 500 Mpa, what is the total rolling force?