... and Ni hard.Tungsten carbide We produce the following types of wear plate and wear ring for the shotcrete robots and concrete ... sizes of the parts include 4", 5", 6", 7", 8", 9", or according to customer's requirements.Ni hard casting Wear Plate ... RingTungsten Wear Plate / Wear Ring / Thrust RingFEATURESThis wear plate is abrasion resistant, corrosion resistant and aging resistant.We are one of the most ...