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Category
類 別
 Trade-
Mark
牌 號(hào)
 Equivalent to China Standard
相當(dāng)國(guó)標(biāo)
 Characteristics & application
特性和用途
 Equivalent to AWS
相當(dāng)AWS
Hard-surfacing

 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、耐氣蝕、抗氧化。堆焊高爐料鐘、破碎機(jī)件

D802
 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，耐熱、耐蝕、耐磨。堆焊高溫工件如熱剪切刀刃
 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，耐熱、耐蝕、耐磨。堆焊高溫工件如內(nèi)燃機(jī)閥
 ECoCr-B

D 822
 　 HRc≥53. Resistance to Wear and heat, bad shock resistance. Hardfacing of rotating blade wheel of boiler.
HRc≥53，耐熱、耐磨，但抗沖擊性差。堆焊鍋爐旋轉(zhuǎn)葉輪

D 832
 EDCoCr-C-03
 HRc≥50. Wear and heat resistance. Hardfacing of high temperature part such as hot-rolling guided way.
HRc≥50，耐熱、耐磨。堆焊高溫工件如熱軋導(dǎo)軌
 ECoCr-C

D 842
 EDCoCr-D-03
 HRc28-38. Corrosion and thermo-fatigue resistance, work harding. Hardfacing of hot forging die.
HRc28-38，耐蝕、抗熱疲勞，具有加工硬化性。堆焊熱鍛模