... 2, Recommended grade for making tungsten carbide rod blank and grinding finished rods . GradeISOPerformancePerformance&application ... recommended for tungsten carbide rod blanksDensityHardnessT.R.S.g/cm3HRAN/mm2TF13K4014.1092. ... iron, aluminium alloy, fine aluminium,iron, plastic,graphite.YG15K4013.97882900Excellent impact and shock resistance, suitable for ...