forged grinding ball and cast grinding ball

We mainly produce the following kinds of forged grinding ball and cast grinding ball: 1.Forged Grinding Ball Size: 25mm-150mm Hardness: surface hardness for dia25-90mm is HRC55-60, for dia100-150mm is HRC50-60. Core hardness for dia25-90mm is HRC40-50,for dia100-150mm is HRC35-45. Chemical elements: C: 0.5-0.6, S: 0.04MAX, Mn: 0.6-1.0, P: 0.04MAX, Si: 0.2-0.4, Cr: 0.25MAX. Speciality: High hardness,no breakage,good wear resistance,even wearing. Applied field: Mines,cement plants,power stations,chemical industries. 2. MnA High Efficiency Forged Grinding Ball Size: 25mm-150mm Hardness: surface hardness for dia25-90mm is HRC55-63, for dia100-150mm is HRC55-63. Core hardness for dia25-90mm is HRC48-55,for dia100-150mm is HRC45-53. Chemical elements: C: 0.72-0.92, S: 0.04MAX, Mn: 0.7-0.9, P: 0.04MAX, Si: 0.17-0.37, Cr: 0.4-0.6. Speciality: High hardness,no breakage,good wear resistance,even wearing. Applied field: Mines,cement plants,power stations,chemical industries. 3.High Chrome Alloyed CastGrinding Ball Chrome content:11-14% Size: dia25-150mm Hardness: dia25-70mm HRC58-63 dia80-150mm HRC57-62 4. Medium Chrome and Low Chrome Alloyed CastGrinding Ball: Chrome content:1.5-10% Size: dia25-150mm Hardness:HRC 50-60 Packing: 1. Container Bags 2. Steel Drums Payment: T/T in advance or Irrevocable L/C at sight We would like to establish long-term and friendly trade relations with you. We are looking forward to the positive answer from you soon.