... , 40Cr, 20CrMnTi, 42CrMo, copper, stainless steel and so on as per your requestprocessForgedHeat treatmentHigh frequency quenching, heat treatment, hardened ... B (Hub) or Typle C (Hub on both size) or Type D(detacheable bolt on hub)International Standard : ANSI B29.1MMaterial ... smallDajin Corporation goal is provide quality, delivery and service on time in responsiveness to customer demand and prospect. ...