94% WC Tungsten Alloy Cement Grinding Balls Media Impact Resistance ODM
Price:
Negotiable
MOQ:
1kg
Delivery Time:
within 15 days
Brand:
Zhongli
Product Description
94% WC Tungsten Alloy Cement Grinding Balls Media Impact Resistance ODM
Achieving the Optimal Balance of Hardness and Impact Resistance
In industrial milling, grinding media selection critically impacts process efficiency and quality. For tungsten carbide-cobalt (WC-Co) composites, achieving the perfect balance between hardness and impact resistance is essential for optimal performance.
Key Factors in Grinding Media Selection
- Material Composition: 94% tungsten carbide ensures superior hardness while 6% cobalt provides necessary ductility and toughness
- Size and Shape: Spherical design enables efficient rolling and cascading actions during milling
- Hardness and Density: Higher density media endure longer while maintaining milling efficiency
- Cost-Effectiveness: Long operational lifespan reduces replacement frequency and maintenance costs
Mechanical & Physical Properties
| Property | Tungsten Carbide (WC-6%Co) | Alumina (99%) | Zirconia (YTZP) | Steel (440C) |
|---|---|---|---|---|
| Density (g/cm³) | 14.6-15.0 | 3.9 | 6.0 | 7.8 |
| Hardness (HRA) | 90-92 | 80-85 | 88-90 | 60-65 |
| Fracture Toughness (MPa*m½) | 10-12 | 4-5 | 7-10 | 15-20 |
| Compressive Strength (GPa) | 4.5-6.0 | 2.5 | 2.0 | 2.0 |
Key Takeaways:
- 2× Harder than alumina, 3× harder than steel - Minimal wear in abrasive environments
- Highest density - Delivers superior kinetic energy for efficient grinding
- Exceptional compressive strength - Withstands high-load milling operations
Wear & Durability Performance
| Media Type | Relative Wear Rate | Lifespan (vs. Steel) | Cost Efficiency |
|---|---|---|---|
| Tungsten Carbide | 1× (Benchmark) | 20-50× longer | Best long-term |
| Zirconia | 1.5-2× | 10-15× longer | High upfront |
| Alumina | 3-5× | 5-8× longer | Moderate |
Real-World Example: In cement ball mills, WC media lasts 2+ years vs. steel's 1-2 months.
Performance Summary: Why Choose Tungsten Carbide?
✅ Unmatched Hardness
✅ High Density
✅ Chemical Stability
✅ Longest Lifespan
Product Images
Frequently Asked Questions
What is tungsten carbide grinding media?
Tungsten carbide grinding media consists of WC (tungsten carbide) particles bonded with cobalt (Co) or nickel (Ni). It is the hardest and most wear-resistant grinding material available, ideal for abrasive and high-impact milling.
What are the advantages over steel, alumina, or zirconia media?
- Hardness (HRA 90+): 3× harder than steel, 2× harder than alumina
- Density (14-15 g/cm³): Higher kinetic energy for faster grinding
- Wear Resistance: Lasts 20-50× longer than steel in abrasive slurries
- Contamination-Free: No iron/nickel leaching (critical for batteries, electronics)
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Company
Guangzhou Zoli Technology Co.,Ltd.
Location
Room 702A, No. 585, Airport Road, Tangjing Street, Baiyun District, Guangzhou City, Self-compiled 2341
Contact Person
Ain Qiu