Category |
Trade- |
Equivalent to China Standard |
Characteristics & application |
Equivalent to 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. |
|
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. |
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. |
ECoCr-B |
|
D 822 |
HRc≥53. Resistance to Wear and heat, bad shock
resistance. Hardfacing of rotating blade wheel of boiler. |
|||
D 832 |
EDCoCr-C-03 |
HRc≥50. Wear and heat resistance. Hardfacing of high
temperature part such as hot-rolling guided way. |
ECoCr-C |
|
D 842 |
EDCoCr-D-03 |
HRc28-38. Corrosion and thermo-fatigue resistance,
work harding. Hardfacing of hot forging die. |
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