PTA/FLAME SPRAY POWDER MACROCRYSTALLITE TUNGSTEN CARBIDE/Ni BASE ALLOY

Blended powders which contain macrocrystallite tungsten carbide pellets and nickel-based self-fluxing alloy, high hardness((≥1700HV0.1), impact resistance and excellent wear resistance. Ni-based alloy powder is spherical or nearly spherical, and has good wettability with macrocrystallite tungsten carbide. PTA surfacing welding layer has good wear resistance, low porosity and Excellent impact resistance. Mainly used in wear resistance, anti-erosion surface or wear repair for mining extraction, oil drilling, machinery equipment, grain and oil equipment etc.