• Introduction
  • Parameter

Grinding Media Ball

Material: High Cr Cast Iron, Low Cr Cast Iron

Application: Mining
Hardness: ≥46HRC
Quality Control: spectrometer
Diameter tolerance: +1.5 -1.0
Supply Ability: 4000 Ton/Tons per Year
Packaging Details: flexible container bags or steel druns
20 feet container: 25 tons (Max.)
Port: Shanghai Port
Lead Time :
Quantity(Kilograms) 1 – 10 11 – 100 >100
Est. Time(days) 10 15 To be negotiated
Dimensions: 150,140, 125, 110, 100, 90, 80, 70, 40, 30, 20, 17, 15
High Cr white iron Grinding Media Ball possess a combination of superior abrasion resistance and a reasonable degree of toughness.
The high Cr Grinding Media Ball have longer service life than the other material,such as high Mn steel and Cr-Mo alloy steel.

And now it is widely used in the working condition of high wear and low impact, such as dry grinding process, coal mills, cement mills due to its excellent performance.

Our Photos for Grinding Media Ball for Ball Mill:

  • Grinding Media Ball
  • Grinding Media Ball
  • Grinding Media Ball

Grinding Media Ball for Specification available:

Cast Balls(1.1) Diameter (mm): φ150, φ140, φ125, φ110, φ100, φ90, φ80, φ70, φ60, φ50, φ40, φ30, φ20, φ17, φ15

Cast Cylpebs(1.)Diameter (mm): φ35×40, φ30×35, φ25×30, φ20×25, φ18×18, φ16×16, φ15×20, φ14×14, φ12×16,φ12×12, φ10×12, φ10×10, φ8×8

Packaged by flexible container bags weighing about 1000kg or in iron drums weighing about 850kg.
In addition to all kinds of castings and forgings, we have annual production of grinding media of 30,000 metric tons, mainly with high Cr, middle Cr and low Cr alloy materials widely used in cement mills, mine mills and coal mills.
We focus on the research and development of the advanced wear-resistant materials and highly efficient production techniques.

Q&A:

Q: Do you provide free samples?
A: Yes, usually we provide free samples for testing under the condition of freight paid by customer.

Q: What is the Warranty for our products ?
A: If any quality problems on our side occurred in this period , we will take on the shipping cost and replacement.

Q: What is the delivery time of your products?
A: It depends on the inventory availability.If items needed are in stock, the delivery time would be within 7 work days, but if not the delivery time would be around 30 work days.

Q: Can you manufacture Customization products?
A: Yes, we can.
We can produce both standard and special prosucts.
Our can make them according to your drawings and samples.
We will send working schedule of your order each week.
Our will inspect and test all merchandise in case of damaging and missing parts before shipment.
The detailed inspection picturesion by email.


Materials Hardness Impact value Wear in Cement Mills(g/mt) Application Field
High Cr Cast Iron ≥HRc60 ≥4J 25-60 The dry-grinding process in cement works, power plants andwet-grinding process in mine;
Low Cr Cast Iron ≥HRc46 ≥3J ≤130 The dry-grinding process in cement works,power plants andwet-grinding process in mines

Composition(%) C Si Mn Cr P S Hardness(HRC) Wear Rate in Gold Mine
Low Cr Cast Balls 2.0~3.0 0.5~1.5 ≤0.50 1.5~2.5 ≤0.07 ≤0.07 46~55 About 1000g/MT
Mid Cr Cast Balls 2.0~3.5 ≤1.0 0.3~1.2 4.0~6.0 ≤1.0 ≤1.0 ≥50 About 870g/MT
Cr12 Cast Balls 2.0~3.0 ≤1.2 0.7~2.0 10~12 ≤0.06 ≤0.06 ≥55 ≤870g/MT
Cr15 Cast Balls 2.0~3.0 ≤1.2 0.7~2.0 14~16 ≤0.06 ≤0.06 ≥58
Cr20 Cast Balls 2.0~3.5 ≤1.0 0.5~1.5 17~23 ≤0.06 ≤0.06 ≥60 ≤760g/MT


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