D802焊条D802钴基焊条Trade-Mark牌号EquivalenttoChinaStandard相当国标Characteristics&application特性和用途EquivalenttoAWS相当AWSD802EDCoCr-A-03HRc38-47.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-AD812EDCoCr-B-03HR***5-50.Resistancetoheat,wearandcorrosion.Hardfacingofhightemperaturepartsuchasinternal-combustionenginevalve.HR***5-50，耐热、耐蚀、耐磨。堆焊高温工件如内燃机阀ECoCr-BD822HRc≥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)