10 Specialized Grinding Media Products
Engineered Forged SAG Media & High-Chromium Cast Cement Balls
Forged Steel Grinding Ball 100mm (Primary Milling)
The premier workhorse grinding ball for primary ball mills in iron ore, copper, and gold beneficiation plants with minimal wear.
Forged Steel Grinding Ball 125mm (SAG & Primary Ball Mills)
Ultra-impact resistant 125mm forged grinding media designed for large SAG discharge stages and primary comminution ball mills.
Forged Steel Grinding Ball 140mm (SAG Mills)
Heavy-duty 140mm forged alloy steel grinding balls engineered specifically for high-impact Semi-Autogenous Grinding (SAG) mills in mega copper and gold concentrators.
High-Chrome Cast Grinding Ball 12-18% Cr
The global benchmark casting media for Portland cement clinker and coal grinding mills with wear rates under 25g per ton of clinker.
Super High-Chrome Cast Grinding Ball 20-26% Cr
Ultra-wear-resistant cast balls containing 20-26% Chromium with M7C3 eutectic carbides, designed for corrosive wet slurry and white cement manufacturing.
Forged Steel Grinding Ball 60mm (B2 Alloy Steel)
High-durability 60mm forged alloy balls tailored for regrind mills and secondary ball milling with zero loss of sphericity.
Forged Steel Grinding Ball 80mm (Copper & Gold Circuits)
Precision-engineered 80mm forged balls for secondary grinding circuits to optimize mineral liberation before flotation.
Forged Steel Cylpebs 25x30mm
High-surface-area cylindrical grinding media engineered to boost fine grinding throughput in cement finish and precious metal mills.
Low-Chrome Cast Grinding Ball 1-3% Cr
Budget-friendly cast media designed for dry grinding in small ball mills, quicklime hydration, and non-aggressive industrial minerals.
Medium-Chrome Cast Grinding Ball 6-10% Cr
Cost-effective high-performance media for cement raw mills and phosphate/silica processing, balancing hardness with impact resistance.
Technical Metallurgy Comparison
Selection guide between Forged Alloy Steel and Cast High-Chromium Media
| Specification | Forged Steel Media | Cast High-Chrome Media | Application Note |
|---|---|---|---|
| Diameter Range | Ø 20mm - Ø 140mm | Ø 20mm - Ø 100mm | Custom sizes available upon request |
| Chromium Content (Cr %) | 0.30% - 1.20% Cr | 10.0% - 26.0% Cr | Cast media features eutectic M7C3 carbide network |
| Volumetric Hardness | 58 - 65 HRC | 60 - 67 HRC | Uniform through-hardening from shell to center |
| Impact Toughness (Ak) | > 12 - 16 J/cm² | 2.5 - 4.5 J/cm² | Forged alloy is mandatory for high-energy SAG mills |
| Drop Ball Fatigue Test | > 15,000 Continuous Drops | > 10,000 Continuous Drops | Breakage guarantee strictly < 0.3% |
| Primary Application Sector | Copper, Gold, Iron Ore SAG Mills | Cement Clinker & Secondary Regrind | Forged for extreme impact, Cast for abrasive sliding wear |
Need a Custom Diameter or Alloy Chemistry?
We manufacture custom diameters with tailored Cr/Mo/Mn additions according to your mine's Bond Work Index.