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There are many ways to classify rolls, mainly: (1) According to product types, there are strip steel rolls, section steel rolls, wire rod rolls, etc.; (2) According to the position of the rolls in the mill series, they are divided into billet rolls, rough rolls, Finishing rolls, etc.;
(3) According to the functions of the rolls, there are scale-breaking rolls, perforated rolls, smoothing rolls, etc.;
(4) According to the material of the rolls, there are steel rolls, cast iron rolls, cemented carbide rolls, ceramic rolls, etc.;
(5) Press The manufacturing methods are divided into casting rolls, forging rolls, surfacing rolls, sleeved rolls, etc.;
(6) According to the state of the rolled steel, there are hot rolls and cold rolls. Various classifications can be combined accordingly to make the rolls have a clearer meaning, such as centrifugal cast high chromium cast iron work rolls for hot rolled strip steel.