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 | 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 |