上海斯米克D667堆焊焊条 上海斯米克D802钴基焊条 上海斯米克D812钴基焊条

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、耐气蚀、***化。堆焊高炉料钟、破碎机件

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

HR***5-50. Resistance to heat, wear and corrosion. Hardfacing of high temperature part such as internal-combustion engine valve.
HR***5-50，耐热、耐蚀、耐磨。堆焊高温工件如内燃机阀

ECoCr-B