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
硬
面


堆


焊


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
D 802
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