D667堆焊焊条EDZCr-B-15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