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。堆焊鍋爐旋轉葉輪