High Rolling Mill - an overview | ScienceDirect Topics
The other mill is made by STANAT. Two sets of rolls, both of 150 mm diameter, are available. For hot rolling the rolls are made of D2 tool steel, hardened to Rc = 55. The rolls for cold rolling are of L3 tool steel, containing 1% C, 1.5% Cr and 0.2% V, hardened to Shore 90. The motor power is 12 kW, with the highest speed of 1.2 m/s.