Tungsten Carbide PTA Welding Powder 

GPNi2503B-2 is a carbide PTA welding powder which mixed by cast tungsten carbide powder and nickel based alloy powder. The welding layer has high hardness and impact toughness to protect parts that exposed in high abrasion and impact wear. The welding layer can extend work part service life to 3-5 times. Layer Hardness HRC 56-60 Apparent Density 5.9-6.6g/cm3 Particle Size Distribution 63-150um Chemical Composition Cast Tungsten Carbide+Ni based Alloy  Typical Applications: Oil Drilling and Extraction Digging Bucket Lignite Mining Extruded Screw in Food and Plastic Processing