Camet Metallurgical Technologies Co., Ltd.  

Product Name: High Speed Steel Roll (HSS) Model NO.: HSS roll Certification: ISO Type: Steel Rolling Equipment Condition: New Customized: Customized Casting Method: Centrifugal Cast Barrel Hardness: 75-95 Hsd Core Hardness: 30-45 Hsd Weight: ?10 Tons Trademark: CAMET Transport Package: Steel Rack Specification: ISO Origin: China Product Description High speed steel rollPropertiesThe 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.Chemical Analysis CodeHSCCSiMnNiCrMoVWHSS75~951.5/2.00.3/1.00.4/1.20.0/1.53.0/8.02.0/8.02.0/9.00.0/8.0Mechanical propertiespropertiesBarrelNick/corel - SG cast ironTensile strength (N/mm2)≥760≥760Bending strength (N/mm2)770~1020425~500MicrostructureTempered martensite + small percentage bainite + carbideApplicationWork rolls for roughing stands and front finishing stands of strip mill, work rolls for cold strip mill