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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

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

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