... good quality&good price deliver in time,good service cone pulley,wire drawing dies,tungsten carbide ring,wire drawing cone, ... /cm3 3.63.653.74.0-4.35.5-6.052bending strengthMpa30035040070011003fracture toughnessMpam1/2 44.557124HardnessHRA>86>88>89> ... 9088-90Modulus of elasticityGPa3203503903002205coefficient of linear expansionX10-6/k 6.5-11.26Minimal residual unbalance of up toGmm/kg ...