Hard-surfacing 硬 面 堆 焊 D667 EDZCr-B-15 HRc≥48.Resistancetowear,gascorrosionandoxidation.Hardfacingofblastfurnacehopperandcrackerpart. HRc≥48，耐磨、耐气蚀、抗氧化。堆焊高炉料钟、破碎机件 　 D802 EDCoCr-A-03 HRc38-47.Resistancetoheat,wearandcorrosion.Hardfacingofhightemperaturepartsuchastheedgeofthermo-cutter. HRc38-47，耐热、耐蚀、耐磨。堆焊高温工件如热剪切刀刃 ECoCr-A D812 EDCoCr-B-03 HRc45-50.Resistancetoheat,wearandcorrosion.Hardfacingofhightemperaturepartsuchasinternal-combustionenginevalve. HRc45-50，耐热、耐蚀、耐磨。堆焊高温工件如内燃机阀 ECoCr-B D822 　HRc≥53.ResistancetoWearandheat,badshockresistance.Hardfacingofrotatingbladewheelofboiler. HRc≥53，耐热、耐磨，但抗冲击性差。堆焊锅炉旋转叶轮 　 D832 EDCoCr-C-03 HRc≥50.Wearandheatresistance.Hardfacingofhightemperaturepartsuchashot-rollingguidedway. HRc≥50，耐热、耐磨。堆焊高温工件如热轧导轨 ECoCr-C D842 EDCoCr-D-03 HRc28-38.Corrosionandthermo-fatigueresistance,workharding.Hardfacingofhotforgingdie. HRc28-38，耐蚀、抗热疲劳，具有加工硬化性。堆焊热锻模