... quality&good price deliver in time,good service Tungsten carbide coat fixed pulleyswire drawing pulley,cone ring , wire ... ,wire drawing die,zirconia Ceramic,alumina ceramic,tungsten carbide rings,tungsten carbide product,zirconia ceramic ring,zirconia ceramic productsSpecially ... /cm3 3.63.653.74.0-4.35.5-6.052bending strengthMpa30035040070011003fracture toughness Mpam1/2 44.557124HardnessHRA≥86≥88≥89 ...