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.
Wear resistant casting stands at the forefront of industries requiring robust materials to withstand abrasive environments. As a leading manufacturer and supplier in this domain, Ninghu provides high-quality product solutions tailored to diverse industrial applications. Our commitment to excellence, innovation, and customer satisfaction distinguishes us as the trusted partner for businesses worldwide seeking reliable wear resistant solutions.
The product refers to the process of manufacturing components with enhanced durability to withstand wear and tear in demanding environments. At Ninghu, we employ state-of-the-art technology and premium materials to produce wear resistant casting that exceeds industry standards. Our castings are meticulously crafted to endure extreme conditions, ensuring prolonged service life and minimal maintenance requirements.
| Chemical Composition | |||||||||||||||
| Series No. |
Type | Designation | Chemical Composition | Mechanical Properties | Microstructure | ||||||||||
| C | Si | Mn | Cr | Mo | Ni | Cu | S | P | ak(J/cm²) | HRC | σb(Mpa) | ||||
| 1 | Medium carbon and medium chromium I | ZG30Cr5MoRE | 0.25~0.40 | 0.3~1.0 | 0.3~1.0 | 4.5~5.5 | 0.2~1.0 | ≤0.045 | ≤0.045 | ≥25 | ≥45 | M+B+C | |||
| 2 | Medium carbon and medium chromium II | ZG40Cr5MoRE | 0.30~0.45 | 0.3~1.0 | 0.3~1.0 | 4.5~5.5 | 0.2~1.0 | ≤0.045 | ≤0.045 | ≥20 | ≥48 | M+B+C | |||
| 3 | Medium carbon and low alloy | ZG40CrMoNiRE | 0.30~0.50 | 0.3~1.5 | 0.3~1.0 | 1.2~1.8 | 0.2~0.6 | 0.1~0.4 | ≤0.04 | ≤0.04 | ≥30 | ≥40 | M+F | ||
| 4 | Low carbon high alloy | ZG20Cr9NiMo | 0.15~3.50 | ≤1.0 | 0.3~1.0 | 8~10 | 0.4~0.8 | 1.4~1.8 | ≤0.1 | ≤0.045 | ≤0.045 | ≥40 | ≥40 | M+C | |
| 5 | Alloy steel with chromium+molybdenum+nickel | ZG45Cr3NiMoMnRE | 0.30~0.50 | 0.3~0.8 | 0.3~1.2 | 2.0~3.2 | 0.3~0.5 | 0.5~1.0 | ≤0.04 | ≤0.04 | ≥20 | ≥50 | M+C | ||
| 6 | Alloy steel with 90 chromium | ZG90Cr6MoMn | 0.85~0.95 | 0.4~0.8 | 0.4~0.8 | 5~8 | 0.2~0.4 | ≤0.045 | ≤0.045 | ≥7 | ≥50 | M+C | |||
| 7 | Ordinary high manganese steel | ZGMn13 | 1.1~1.4 | 0.3~1.0 | 11~14 | ≤0.06 | ≤0.10 | ≥147 | Hb≤229 | 637 | A | ||||
| 8 | Modified high manganese steel | ZGMn13cr2 | 1.0~1.5 | 0.3~1.0 | 11~14 | 0.5~4.0 | ≤0.06 | ≤0.10 | ≥80 | ≤240 | A+C | ||||
| 9 | Ultra-high manganese steel | ZGMn17cr2 | 1.0~1.5 | 0.3~1.0 | 16~19 | 1.0~4.0 | Ti0.2~0.4 | ≤0.06 | ≤0.10 | ≥50 | ≤260 | A+C | |||
| 10 | High chromium cast iron | KmTBCr15Mo2 | 2.0~2.8 | ≤1.2 | 0.5~1.0 | 13~18 | 0.2~2.5 | 0~1.0 | 0~1.2 | ≤0.06 | ≤0.10 | ≥53 | M+A+C | ||
| 11 | High chromium cast iron | KmTBCr20Mo2 | 2.0~3.0 | ≤1.2 | 0.5~1.0 | 18~22 | 1.5~2.5 | 0~1.5 | 0.8~1.2 | ≤0.06 | ≤0.10 | ≥3 | ≥58 | M+A+C | |
| 12 | High chromium cast iron | KmTBCr26 | 2.0~3.0 | ≤1.2 | 0.5~1.0 | 23~28 | 0~1.0 | 0~1.5 | 0~2.0 | ≤0.06 | ≤0.10 | ≥55 | M+A+C | ||
| 13 | High chromium cast steel | ZGCr12SiMn-GT | 1.0~2.0 | ≤1.2 | 0.5~2.0 | 12~14 | 0~1.0 | 0~1.0 | 0~1.0 | ≤0.06 | ≤0.10 | ≥3.2 | ≥55 | M+A+C | |
| 14 | High chromium cast steel | ZGCr15SiMn-GT | 1.0~2.0 | ≤1.2 | 0.5~2.0 | 15~17 | 0~1.0 | 0~1.0 | 0~1.0 | ≤0.06 | ≤0.10 | ≥3.5 | ≥55 | M+A+C | |
| M-Martensite B-Bainite A-Austenite C-Carbide F-Ferrite | |||||||||||||||
Ninghu has emerged as a leading manufacturer of wear-resistant materials, supported by cutting-edge production technology and a fully automated production line. With an annual production capacity of 50,000 tons, we ensure timely delivery without compromising quality. Our commitment to excellence is underscored by ISO9001 certification, reflecting adherence to stringent quality management standards. Moreover, we are designated suppliers to major domestic import and export companies, further validating our reputation for reliability and performance.
Ninghu is a professional manufacturer and supplier of the product, equipped with our factory, comprehensive inventory, and efficient delivery capabilities. Partner with us for high-quality wear-resistant solutions that uphold durability, performance, and innovation across diverse industries. For inquiries, please contact sunnyqin@nhgrindingmedia.com.
In conclusion, Ninghu sets the benchmark for excellence in wear resistant casting, providing reliable solutions that empower businesses to thrive in challenging environments. With a steadfast commitment to quality, innovation, and customer satisfaction, we stand as the preferred choice for discerning buyers and global dealers seeking unparalleled performance and value.
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.