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.
Ninghu offers the ultimate solution in wear resistance with our top-of-the-line grey cast iron ball. Designed to thrive across various industrial environments, our balls are renowned for their unmatched durability and performance. Meticulously crafted with precision using cutting-edge manufacturing techniques, our products ensure unparalleled quality and reliability. Collaborating with Ninghu grants you access to a superior product meticulously tailored to exceed your expectations. Elevate your operations with our dependable solution, setting new standards for productivity and efficiency.
| 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 | |||||
Utilizing state-of-the-art automated assembly lines and cutting-edge manufacturing methods, Ninghu is at the forefront of the production of wear-resistant materials. With our annual production capacity of 50,000 tons, we consistently meet the needs of our esteemed clients across the globe. Our ISO9001 certification underscores our unwavering dedication to excellence and adherence to rigorous quality standards. Recognized for delivering reliable, high-quality wear-resistant solutions, we are honored to be selected as suppliers to leading domestic importers and exporters. This recognition reaffirms our steadfast commitment to delivering premium products to our loyal customers worldwide.
At Ninghu, we are committed to providing unparalleled quality and service, making us your trusted partner for high-quality wear-resistant solutions. For inquiries or orders, please contact us at sunnyqin@nhgrindingmedia.com.
In conclusion, grey cast iron ball from Ninghu offer unmatched durability, performance, and reliability, making them indispensable in various industrial applications. With our dedication to excellence and innovation, we strive to empower industries worldwide with superior wear-resistant solutions.
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.