Microstructure (Typical)
Martensitic matrix with uniformly distributed chromium carbides.
Coarser carbides with lower carbide density.
Alloy chemistry and heat treatment are adjusted to achieve the specified matrix, hardness and wear resistance.
Cast Grinding BallsFor Ball Mills, Cement Mills & Mining
High chrome cast grinding balls deliver excellent wear resistance, consistency and cost efficiency for ball mills, cement mills and other fine grinding applications.
High Wear ResistanceHigher chromium for longer service life
Cost EfficientLower cost per ton milled
Consistent QualityStrict casting control and heat treatment
Wide Size RangeReliable supply for multiple mill types
Product Overview
Cast grinding balls provide flexible alloy grades and reliable wear performance for medium-impact grinding. Process control covers melting, molding, heat treatment and batch inspection.
Material grade, heat treatment and final specification are matched to the mill condition and verified by batch inspection.
Available Size Range17-130 mmOther sizes available on request
Product Specification
| Diameter | 17-130 mm |
|---|---|
| Hardness | 45-66 HRC |
| Chrome content | 1-30% |
| Impact value | Grade dependent |
| Packaging | Steel drums or bulk bags |
| Material | Low to high chrome cast iron |
|---|---|
| Best use | Cement, ball mills |
| Inspection | Chemistry, hardness and dimensions |
| Documentation | Batch report and packing list |
| Customization | Available by operating condition |
Technical Performance & Quality Control
Martensitic matrix with uniformly distributed chromium carbides.
Coarser carbides with lower carbide density.
Wear Performance Comparison (Typical)
100%High Chrome Cast Ball
140%Low Chrome Cast Ball
High chrome grades can provide a lower wear rate, longer service life and better cost efficiency in abrasive grinding conditions.
Product Advantages
High Wear ResistanceHigher chromium for longer service life
Cost EfficientLower cost per ton milled
Consistent QualityStrict casting control and heat treatment
Wide Size RangeReliable supply for multiple mill types
Applications / Where Used
- Cement mills
- General ball mills
- Thermal power plants
- Non-ferrous mineral grinding
Standard Size Range & Technical Data
| Diameter | Weight | Hardness | Wear Rate | Breakage Rate | Application |
|---|---|---|---|---|---|
| 17-25 mm | 0.03-0.08 kg/pc | 48-58 HRC | ≤ 2.0% | ≤ 2.5% | Fine grinding |
| 25-40 mm | 0.08-0.25 kg/pc | 48-60 HRC | ≤ 2.0% | ≤ 2.5% | Cement / fine grinding |
| 40-60 mm | 0.25-0.80 kg/pc | 50-62 HRC | ≤ 2.0% | ≤ 2.5% | Secondary ball mill |
| 60-90 mm | 0.80-2.20 kg/pc | 52-64 HRC | ≤ 2.0% | ≤ 2.5% | Ball mill grinding |
| 90-130 mm | 2.20-4.80 kg/pc | 54-66 HRC | ≤ 2.0% | ≤ 2.5% | Large ball mill |
Other sizes and specifications are available upon request.
Quality Assurance
Chemical CompositionRaw material and alloy verified
Hardness TestBatch hardness controlled
Dimensional InspectionSize and geometry verified
Impact & Drop TestPerformance verified
Frequently Asked Questions
The standard range is 17-130 mm. Additional sizes can be reviewed against your mill dimensions and operating data.
Raw material, alloy chemistry, heat treatment, hardness and dimensions are controlled and recorded by batch.
Selection is based on mill type, feed size, ore hardness, impact level, current consumption and target cost per ton.
Yes. Size, hardness, material grade, packaging and other parameters can be adjusted after technical review.
Export options include steel drums, bulk bags or strapped bundles depending on product type and destination.
Batch chemistry, hardness, dimensions, impact testing and available third-party reports can be supplied with the order.