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Help CenterLow Chrome Cast Grinding Balls Cr 1%-3% HRC45-55 Cost Effective For Cement Mills Coal Mills Soft Ore
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Low Chrome Cast Grinding Balls – Economical Grinding Media for Non-Abrasive Applications
Product Description
Ningguo Huafeng offers low chrome cast grinding balls with 1%-3% chromium content, providing a cost-effective solution for grinding applications where extreme wear resistance is not required. These balls deliver adequate performance at a significantly lower cost than high chrome alternatives.
Key Technical Parameters
- Diameter: φ4.8mm – φ120mm
- Cr Content: 1% – 3%
- Surface Hardness: 45 – 55 HRC
- Core Hardness: 42 – 50 HRC
- Impact Value: ≥1.5 J/cm²
- Breakage Rate: ≤2%
- Microstructure: Pearlite + Carbide
- Heat Treatment: As-Cast / Normalizing
Best Value Applications
| Application | Suitability |
|---|---|
| Cement raw mills | ★★★★★ |
| Coal mills | ★★★★★ |
| Phosphate grinding | ★★★★ |
| Soft ore (limestone, bauxite) | ★★★★★ |
| Hard rock mining | ★★ |
Why Choose Low Chrome?
- Lower initial cost: Up to 40% savings vs high chrome balls
- High toughness: Lower breakage in low-impact mills
- Available ex-stock: Quick delivery for standard sizes
- Proven performance: Used in cement plants worldwide
Contact us – let us know your mill type and target diameter. We will provide a competitive quotation within 24 hours.
Send Inquiry to This Supplier
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