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. |
|
|||||
Category 类 别 |
Trade 牌 号 |
Chemical composition 主要成份(%) |
Characteristics & application 特性和用途 |
Equivalent to AWS 相当AWS |
||||
Hardfacing 硬 面 堆 焊 |
S 101 |
C3 Cr28 Ni4 |
HRc48-54. Resistance to wear, gas corrosion and
oxidation. Hardfacing of bucket tooth and case pump. |
|
||||
S 111 |
C1 Cr29 W5 |
HRc38-47. Resistance to wear and corrosion at
high-temperature. Hardfacing of high temperature and pressure valve. |
ECoCr-A |
|||||
S 112 |
C1.5 Cr29 W8 |
HRc45-50. Resistance to wear and corrosion at
high-temperature. Hardfacing of valve and hot-rolling pass. |
ECoCr-B |
|||||
S 113 |
C2.5 Cr30 W17 |
HRc≥55. Wear and heat resistance at high temperature, bad shock
resistance. Hardfacing of screw charging carriage. |
|
|||||
S 114 |
C2.5 Cr30 W12 |
HRc≥53. Wear and heat resistance at high temperature, bad shock
resistance. Hardfacing of three-cone bit. |
ECoCr-C |