March 19, 2024
Deployed in a cement clinker grinding mill, these high-chromium cast grinding balls feature stable hardness and low breakage. They help us maintain consistent grinding output and lower long-term consumable costs.
In the realm of material processing, efficiency and quality are paramount. With the evolution of industries relying on grinding processes, the demand for precision and reliability in grinding media has soared. At Ninghu, we offer an unparalleled solution with our Grinding of Minerals Media Balls. Engineered with precision and crafted for excellence, our media balls stand as a testament to innovation and performance in material grinding.
Ninghu's Steel Ball Mill is meticulously crafted spheres designed to optimize the grinding process in various industries. Made from high-quality materials and subjected to stringent quality control measures, these media balls ensure consistent performance and longevity. Our commitment to excellence is reflected in every aspect of our product, from design to manufacturing, making Ninghu the preferred choice for industries worldwide seeking top-tier grinding solutions.
| Mechanical Properties and Microstruture | |||||
| Name | Designation | HRC | Impact Value (J/cm²) |
Microstruture | Falling Times |
| Special High Chromium Alloy Casting Grinding Balls | ZQCr26 | ≥60 | ≥4.0 | M+C | ≥20000 |
| ZQCr20 | ≥60 | ≥4.0 | M+C | ≥20000 | |
| Ultra-high Chromium Alloy Casting Grinding Balls | ZQCr15 | ≥60 | ≥4.0 | M+C | ≥20000 |
| Ordinary High Chromium Alloy Casting Grinding Balls | ZQCr12 | ≥58 | ≥3.5 | M+C | ≥18000 |
| Medium Chromium Alloy Casting Grinding Balls | ZQCr8 | ≥48 | ≥2.5 | P+C | ≥12000 |
| ZQCr5 | ≥47 | ≥2.0 | P+C | ≥12000 | |
| Low Chromium Alloy Casting Grinding Balls | ZQCr2 | ≥45 | ≥2.0 | P+C | ≥10000 |
| Carbide Ductile Iron Grinding Balls | ZQCADI | ≥50 | ≥2.0 | P+C | |
| M-Martensite P-Pearlite A-Austenite C-Carbide | |||||
Ninghu prides itself on being a leading manufacturer of wear-resistant materials, equipped with the most advanced fully automated production line and an annual production capacity of 50,000 tons. Our commitment to quality is underscored by ISO9001 quality system certification, ensuring that Grinding of Minerals Media Balls meet the highest standards of performance and reliability. As designated suppliers of major domestic import and export companies, we have earned the trust of our clients through consistent delivery of excellence.
Ninghu stands as a beacon of excellence in the realm of grinding media, offering premium quality solutions tailored to meet the evolving needs of industries worldwide. With our commitment to innovation, quality, and customer satisfaction, we are your trusted partner for high-quality wear-resistant solutions. Experience excellence and innovation with Ninghu – contact us at sunnyqin@nhgrindingmedia.com and embark on a journey towards enhanced efficiency and productivity in material processing.
March 19, 2024
Deployed in a cement clinker grinding mill, these high-chromium cast grinding balls feature stable hardness and low breakage. They help us maintain consistent grinding output and lower long-term consumable costs.
June 24, 2025
Used in a copper-ore wet-grinding ball mill, the grinding balls show durable wear resistance under non-stop 24-hour operation. Stable grinding performance reduces frequent mill inspections for abnormal ball damage.
August 12, 2025
Used in an iron-ore grinding mill, these high-chromium cast grinding balls maintain uniform hardness from batch to batch. They withstand sustained heavy-load impacts well with minimal breakage, and reliable wear performance keeps our throughput steady over long operating cycles.
October 07, 2025
Adopted for a gold-ore grinding mill, these high-chromium cast balls have evenly distributed hardness. They hold up well under complex abrasive conditions, and their consistent wear profile helps us achieve fine, uniform particle size throughout service.
January 15, 2026
Applied in a limestone grinding production line, the cast steel balls perform reliably under fluctuating load conditions. Well-balanced wear characteristics effectively cut down unplanned downtime.