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Help CenterLow Chrome White Cast Iron Grinding Cylpebs Cr 1%-3% 45-55HRC High Toughness Low Cost For Cement Coal Mills
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High Chrome Cast Iron Grinding Balls – High Wear Resistance All Purpose For Mining Cement Power Plant
Product Description
Ningguo Huafeng Wear-Resistant Material Co., Ltd. supplies high chrome cast iron grinding balls with chromium content of 10%-18% and hardness of 58-62 HRC. Through oil quenching and tempering heat treatment, these balls achieve a Martensite + M7C3 Carbide microstructure providing excellent wear resistance. Suitable for all types of ball mills in mining, cement, and power plants.
Key Technical Parameters
- Diameter: φ20mm – φ120mm
- Cr Content: 10% – 18%
- Surface Hardness: 58 – 62 HRC
- Core Hardness: 54 – 58 HRC
- Impact Value: ≥3.0 J/cm²
- Breakage Rate: ≤1%
- Microstructure: Martensite + M7C3 Carbide
- Heat Treatment: Oil Quenching + Tempering
Product Advantages
- High hardness: 58-62 HRC for excellent wear resistance
- Low breakage: ≤1% breakage rate reduces mill downtime
- Uniform hardness: Surface to core difference ≤4 HRC
- All purpose: Suitable for mining, cement, and power plant ball mills
- Stable quality: Every batch tested with German OBLF spectrometer
Applications
- Mining: Iron ore, copper ore, gold ore, nickel ore
- Cement plants: Raw mills, cement mills, coal mills
- Thermal power plants: Coal pulverizing
- Mineral processing: Various ore grinding
Quality Assurance
Every batch is tested for chemical composition with German OBLF spectrometer, hardness with hardness tester, and breakage resistance with falling ball tester. The company is ISO9001, ISO14001 and ISO45001 certified.
Contact us – provide your mill parameters and operating conditions. We will recommend the most suitable specification for your application.
In stock available – standard sizes (φ40, φ50, φ60, φ80, φ100mm) are kept in inventory for fast delivery.
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