Camet Metallurgical Technologies Co., Ltd.  

Product Name: High Speed Steel Roll Ring Model NO.: HSS roll ring Certification: ISO Type: Steel Rolling Equipment Casting Method: Centrifugal Cast Shell Hardness: 75-95 Hsd Size: as Per Drawing Trademark: CAMET Transport Package: Wood Box Specification: ISO Origin: China Product Description High speed steel roll ringPropertiesThe shell is a high carbon alloy steel containing Cr,Mo,W,V and Nb.The Microstructure consists of complex carbides embedded in a tempered martensitic matrix.Control of the carbon and a complex heat treatment allows the optimization of wear resistance,thermal fatigue resistance and oxide film formation,whilst maintaining low residual stress values.Mechanical propertiesHardness of shellHSD75-95Hardness of coreHSD30-45Tensile Strength of core≥450MPaChemical analysisCSiMnCrNiMoWV1.5/2.20.3/1.00.4/1.23.0/8.00.0/1.52.0/8.00.0/8.02.0/9.0ApplicationsWidely used as the F5 and F6 work roll for hot strip mills, the pre-finishing stands of high-speed wire mills and the finishing stands of bar mills.