Roll classification
There are many ways to classify the rolls, mainly:
(1) according to the type of products, there are strip rolls, section rolls, wire rod rolls, etc.;
(2) according to the position of the rolls in the mill series, there are open rolls, rough rolls, finishing rolls, etc.;
(3) according to the roll function, there are broken scale rolls, perforated rolls, flat rolls, etc.;
(4) according to the roll material, there are steel rolls, cast iron rolls, carbide rolls, ceramic rolls, etc.;
(5) according to the Manufacturing method: casting roll, forging roll, welded roll, set roll, etc.;
(6) hot roll, cold roll according to the state of the rolled steel. Various classifications can be combined accordingly to make the rolls have a clearer meaning, such as centrifugal casting high chromium cast iron work rolls for hot rolling strip steel.