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.
Grinding media play a pivotal role in material processing across various industries, facilitating the reduction of particle size and achieving the desired level of fineness. They encompass a range of materials and shapes designed to effectively grind or crush materials into finer particles. At Ninghu, our products are meticulously crafted to ensure optimal performance and longevity. From high-chrome steel balls to ceramic beads, our diverse product range caters to various grinding needs across industries such as mining, cement, and pharmaceuticals. Engineered with precision and manufactured to the highest standards, our products deliver unparalleled results, making material processing more efficient and cost-effective.
At Ninghu, we specialize in manufacturing top-tier products designed to meet the diverse needs of our customers. With cutting-edge technology, stringent quality control, and a commitment to innovation, we have established ourselves as a trusted partner for high-quality wear-resistant 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 state-of-the-art production technology and a fully automated production line. With an annual production capacity of 50,000 tons, we adhere to strict quality control measures, ensuring that our products meet the highest standards. Our ISO9001 certification and designation as suppliers to major domestic import and export companies attest to our commitment to quality excellence.
In conclusion, Ninghu is your trusted partner for high-quality grinding media solutions, delivering excellence and innovation to industries worldwide. With our commitment to quality, reliability, and customer satisfaction, we are poised to meet your material processing needs with precision and efficiency. Contact us at sunnyqin@nhgrindingmedia.com to learn more about how we can elevate your grinding processes to new heights of performance and productivity. Trust Ninghu for all your products requirements, and experience the difference quality makes.
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.