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.
Chrome grinding media balls are essential components in various industrial processes, particularly in the mining, cement, and chemical industries. Renowned for their high hardness, wear resistance, and durability, these balls are instrumental in grinding operations, where they effectively crush and grind materials into fine particles. At NINGHU, we take pride in offering premium-quality media balls that meet the stringent demands of our customers worldwide.
| 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 has cemented its status as an industry trailblazer in the realm of wear-resistant materials manufacturing, leveraging a rich reservoir of over three decades of unparalleled experience. As a vanguard high-tech enterprise and a pivotal member of the esteemed China Foundry Association, we remain steadfast in our unwavering commitment to upholding the apex standards of quality and driving relentless innovation. The prestigious ISO9001 certification serves as a tangible manifestation of our relentless pursuit of excellence, while our cutting-edge fully automated production line epitomizes precision and efficiency at unparalleled levels. An impressive annual production capacity scales up to 50,000 tons. We are strategically positioned to seamlessly cater to the dynamic and evolving demands of the global mining and mineral processing sectors, poised for sustained growth and dominance in the market.
At NINGHU, we prioritize customer satisfaction and offer comprehensive after-sales support to ensure the optimal performance of our media balls. Our strengths include:
NINGHU is a professional manufacturer and supplier of chrome grinding media balls, offering customizable solutions, and ample inventory. We also provide fast delivery to meet the diverse needs of industries worldwide. With our commitment to quality, innovation, and customer satisfaction, we are your trusted partner for high-quality wear-resistant solutions. Contact us at sunnyqin@nhgrindingmedia.com to learn more about our products and services.
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.