Place of Origin : Zhoushan,China

Material: high quality 38CrMoAL, 1.8550, 1.8519,
SKD11, SKD61, D2, DC53, 42CrMo, 40Cr, C45, C30
Process: Advanced nitriding Process
Hardness After Hardening & Tempering: HB280-320
Nitrided Hardness: HV900-1000
Nitrided Case Depth: 0.45-0.7mm
Nitrided Brittleness: Less than Grade 2
Surface Roughness: Ra 0.4
Szie diameter30mm~diameter650mm