D822HRc≥53.ResistancetoWearandheat,badshockresistance.Hardfacingofrotatingbladewheelofboiler.HRc≥53，耐热、耐磨，但抗冲击性差。堆焊锅炉旋转叶轮D832EDCoCr-C-03HRc≥50.Wearandheatresistance.Hardfacingofhightemperaturepartsuchashot-rollingguidedway.HRc≥50，耐热、耐磨。堆焊高温工件如热轧导轨ECoCr-CD842EDCoCr-D-03HRc28-38.Corrosionandthermo-fatigueresistance,workharding.Hardfacingofhotforgingdie.HRc28-38，耐蚀、抗热疲劳，具有加工硬化性。堆焊热锻模)