... wear resistance 3 :used for wood ,aluminum,brass,cast iron cutting tungsten carbide strips 1 our recommended grade for making tungsten ... original wood,aluminum section bar,brass rod and cast iron.YG6K1014.85190090.8Has wear resistance higher than Mk6,used ... wood,original wood,aluminum section bar,brass rod and cast iron.YG8K2014.7195089Wear and percussion resistance,used for processing hard ...