D 667D 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 802D 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-AD 812D 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-BD 822D 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 832D 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
|