1. Superior Impact and Abrasion Resistance:
   The nodular graphite structure gives our liners remarkable toughness. They can withstand repeated heavy impacts from grinding media (balls) and coarse ore, while simultaneously resisting constant abrasive wear. This dual resistance significantly extends service life.

2. Excellent Strength and Ductility:
   Unlike brittle materials that can crack or shatter, our ductile iron liners offer a great balance of strength and flexibility. This inherent ductility allows them to absorb energy upon impact, reducing the risk of catastrophic failure.

3. Significantly Extended Service Life:
   By combining high hardness with superior toughness, our ball-iron castings outlast traditional manganese steel or white iron liners in many applications. This means fewer liner change-outs, reduced downtime, and lower long-term maintenance costs.

4. Enhanced Cost-Efficiency:
   While the initial investment might be comparable, the extended operational life and reduced frequency of replacements translate into a significantly lower total cost of ownership. You achieve more tons ground per dollar spent on liners.

5. Reduced Weight:
   In some designs, ductile iron liners can be made lighter than their steel counterparts without compromising strength, leading to easier handling and installation.

Comparison of domestic and foreign grades of ductile iron