Chemical Composition C(%)Si(%)Mn(%)Cr(%)Cu(%)Mo(%)P(%)S(%)0.57-0.650.17-0.370.7-0.90.25max0.25max0.3max0.035max0.035maxSize 20-200mm(0.8inch-8inch) Hardness SeriousSurfaceVolume Hardness Hardness39-43HRC36-40HRCImpact Value ≥15J/CM^2Strength of Extension ≥1200mpa/mm^2Length Tolerance 1m,Website:.sdhuafu.com,-25mmDiameter Tolerance(mm) 0m,-1.5mm Production Process Raw material inspection--Blanking--Burr grinding--Furnace heating--Straightening-- Quenching--Tempering treatment--Inspection--PackageApplication Mines, Chemical industries, Quartz sand plant, Other rod millsPackage Steel wire

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