Hard-surfacing 硬 面 堆 焊 D667 EDZCr-B-15 HRc≥48.Resistancetowear,gascorrosionandoxidation.Hardfacingofblastfurnacehopperandcrackerpart. HRc≥48，耐磨、耐氣蝕、抗氧化。堆焊高爐料鐘、破碎機件 　 D802 EDCoCr-A-03 HRc38-47.Resistancetoheat,wearandcorrosion.Hardfacingofhightemperaturepartsuchastheedgeofthermo-cutter. HRc38-47，耐熱、耐蝕、耐磨。堆焊高溫工件如熱剪切刀刃 ECoCr-A D812 EDCoCr-B-03 HRc45-50.Resistancetoheat,wearandcorrosion.Hardfacingofhightemperaturepartsuchasinternal-combustionenginevalve. HRc45-50，耐熱、耐蝕、耐磨。堆焊高溫工件如內燃機閥 ECoCr-B D822 　HRc≥53.ResistancetoWearandheat,badshockresistance.Hardfacingofrotatingbladewheelofboiler. HRc≥53，耐熱、耐磨，但抗沖擊性差。堆焊鍋爐旋轉葉輪 　 D832 EDCoCr-C-03 HRc≥50.Wearandheatresistance.Hardfacingofhightemperaturepartsuchashot-rollingguidedway. HRc≥50，耐熱、耐磨。堆焊高溫工件如熱軋導軌 ECoCr-C D842 EDCoCr-D-03 HRc28-38.Corrosionandthermo-fatigueresistance,workharding.Hardfacingofhotforgingdie. HRc28-38，耐蝕、抗熱疲勞，具有加工硬化性。堆焊熱鍛模