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Finishing Stand HSS RollsThe microstructure of HSS roll shows fine and diffuse carbide of MC and M6C embedded in the Martensite. The performance of wear resistance,Website:http://www.kdroll.com, thermal hardness and thermal fatigue resistance of HSS roll is excellent.1, Regarding the breakdown mill: due to the high temperature of steel, the roll should have relative high strength and steel-biting ability, moderate wearability and accident-resistant ability, thus improve the breakdown rate.2, Regarding the intermediate stands: as roll pass changes, steel temperature dropping, we should focus mo