... Finish 3.excellent Corrosion Resistance 4.ceramic wire drawing cone pulley, zirconia wire drawing capstans,tungsten carbide,zirconia Ceramicalumina ... cord drawing block,wire drawing wheel,Annealing roll,cone-pulley,big drawing zirconia ring,mid drawing zirconia ring,ceramic wire drawing cone ... 99ZTAZRO21densityg/cm3 3.63.653.74.0-4.35.5-6.052bending strengthMpa30035040070011003fracture toughnessMpam1/ ...