Category
类 别
 Trade-
Mark
牌 号
 Equivalent to China Standard
相当国标
 Characteristics & application
特性和用途
 Equivalent to AWS
相当AWS
Hard-surfacing

 D 667
 EDZCr-B-15
 HRc≥48. Resistance to wear, gas corrosion and oxidation. Hardfacing of blast furnace hopper and cracker part.
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. Resistance to heat, wear and corrosion. Hardfacing of high temperature part such as the edge of thermo-cutter.
HRc38-47，耐热、耐蚀、耐磨。堆焊高温工件如热剪切刀刃
 ECoCr-A

D 812
 EDCoCr-B-03
 HRc45-50. Resistance to heat, wear and corrosion. Hardfacing of high temperature part such as internal-combustion engine valve.
HRc45-50，耐热、耐蚀、耐磨。堆焊高温工件如内燃机阀
 ECoCr-B

D 822
 　 HRc≥53. Resistance to Wear and heat, bad shock resistance. Hardfacing of rotating blade wheel of boiler.
HRc≥53，耐热、耐磨，但抗冲击性差。堆焊锅炉旋转叶轮

D 832
 EDCoCr-C-03
 HRc≥50. Wear and heat resistance. Hardfacing of high temperature part such as hot-rolling guided way.
HRc≥50，耐热、耐磨。堆焊高温工件如热轧导轨
 ECoCr-C

D 842
 EDCoCr-D-03
 HRc28-38. Corrosion and thermo-fatigue resistance, work harding. Hardfacing of hot forging die.
HRc28-38，耐蚀、抗热疲劳，具有加工硬化性。堆焊热锻模