... , companion yoke, flange yoke, and etcProcess equipment Medium frequency induction furnace;3T Electro-hydraulic forging hammer;1600~ 2500T screw press; Verticle ... ;40cr steel; 20crmnt; Stainless steel; aluminum; alloy steelHeat treatmentThermal refining; continuous high-frequency quenching + temper +carburization availableSize standardASTM,JIS,GB,DIN ...