... bar, brass rod , cast iron and others 1.YG6 Good wear resistance, used for hard wood, used for processing original wood ... , aluminum section bar, brass rod and cast iron.2.YG8 Wear and percussion resistance , used for processing hard wood, soft ... wood, ferrous and non-ferrous.3. YL10.2 Fine carbide, High wear resistance, high bending strength, high resistance to bonding, high ...