EN36 Overview EN36 is a nickel-chromium case-hardening steel designed to provide a hard, wear-resistant surface with a tough and ductile core. Chemical Compositions C Si Mn Cr Ni 0.12 – 0.18 0.10 – 0.35 0.30 – 0.60 0.60 – 1.10 3.00 – 3.75 Heat Treatment CarburisingDiffusion treatment where requiredHardeningOil quenchingLow-temperature tempering Mechanical Properties Very hard wear-resistant caseTough coreHigh fatigue resistanceGood impact resistanceCase hardness can reach approximately 60 HRC+, depending on carburising and treatment Equivalent Grades EN: EN36 / EN36CAISI: 3310-type / equivalent depending on specificationJIS: SNC22-type Applications GearsPinionsShaftsBushesTransmission componentsHeavy-duty machine components Available Forms Round barsFlats