High Chromium Alloy Cast Balls
High Chromium Alloy Cast Balls are engineered to deliver outstanding wear resistance in abrasive grinding environments. With high chromium content and a hardened microstructure, they offer low wear rates, excellent surface hardness, and consistent grinding performance, helping reduce media consumption and maintenance costs.
Product Lineup
High Chromium Alloy Cast Balls are produced using premium alloy materials through precision casting and controlled heat-treatment processes. The optimized metallurgical structure enhances hardness and wear resistance, making the grinding balls suitable for continuous industrial milling operations.
Application Overview
Machines | Industries |
·Ball mills | ·Mining industry |
·Power stations | |
·Tower mills | ·Cement industry |
·Coal grinding machine | ·Steel Industry |
·Bearing | ·Chemical Industry |
·Metallurgical industry |
High Chromium Alloy Cast Balls are widely used in cement plants, mining operations, thermal power stations, metallurgy, and chemical industries. They are suitable for ball mills processing clinker, limestone, coal, slag, and various mineral ores under wet or dry grinding conditions.
Technical data
Chemical Composition (%) | ||||||||||
Name | C | Si | Mn | Cr | Mo | S | P | Cu | Ni | |
High Chromium Alloy Cast Balls | ZQCr26 | 2.0-3.3 | ≤1.2 | 0.3-1.5 | 23.0-30.0 | 0-3.0 | ≤0.06 | ≤0.10 | 0-1.2 | 0-1.5 |
ZQCr20 | 2.0-3.3 | ≤1.2 | 0.3-1.5 | 18.0-23.0 | 0-3.0 | ≤0.06 | ≤0.10 | 0-1.2 | 0-1.5 | |
ZQCr15 | 2.0-3.3 | ≤1.2 | 0.3-1.5 | 14.0-18.0 | 0-3.0 | ≤0.06 | ≤0.10 | 0-1.2 | 0-1.5 | |
ZQCr12 | 2.0-3.3 | ≤1.2 | 0.3-1.5 | 10.0-14.0 | 0-3.0 | ≤0.06 | ≤0.10 | 0-1.2 | 0-1.5 | |
Middle Chromium Alloy Cast Balls | ZQCr8 | 2.1-3.3 | ≤2.2 | 0.3-1.5 | 7.0-10.0 | 0-1.0 | ≤0.06 | ≤0.10 | 0-0.8 | - |
ZQCr5 | 2.1-3.3 | ≤1.5 | 0.3-1.5 | 4.0-6.0 | 0-1.0 | ≤0.10 | ≤0.10 | 0-0.8 | - | |
Low Chromium Alloy Cast Balls | ZQCr2 | 2.1-3.6 | ≤1.5 | 0.3-1.5 | 1.0-3.0 | 0-1.0 | ≤0.10 | ≤0.10 | 0-0.8 | - |
Bainite Alloy Cast Balls | ZQQTB | 3.2-3.8 | 2.0-3.5 | 2.0-3.0 | - | - | ≤0.03 | ≤0.10 | - | - |
ZQQTM | 3.2-3.8 | 2.0-3.5 | 0.5-1.5 | - | - | ≤0.03 | ≤0.10 | - | - | |
| Physical Features | |||||||
| Name | Surface Hardness (HRC) | Impact Value (J/cm²) | Breakage Rate (%) | Diameter Tolerance (mm) | Diameter (mm) | Drop Test (Times) | |
| High Chromium Alloy Cast Balls | ZQCr26 | ≥58 | ≥4J | ≤1.0 | Φ≤30 +1.0 -1.0 30＜Φ≤60 ＋1.5 -1.0 60＜Φ≤80 +2.0 -1.0 80＜Φ≤100 +2.5 -1.0 Φ＞100 +3.0 -1.0 | 10-160 | ＞15000 |
| ZQCr20 | ≥58 | ≥4J | ≤1.0 | ||||
| ZQCr15 | ≥58 | ≥4J | ≤1.0 | ||||
| ZQCr12 | ≥58 | ≥4J | ≤1.0 | ||||
| Middle Chromium Alloy Cast Balls | ZQCr8 | ≥48 | ≥4J | ≤1.0 | |||
| ZQCr5 | ≥47 | ≥4J | ≤1.0 | ||||
| Low Chromium Alloy Cast Balls | ZQCr2 | ≥45 | ≥4J | ≤1.0 | |||
| Bainite Alloy Cast Balls | ZQQTB | ≥50 | ≥4J | ≤1.0 | |||
| ZQQTM | ≥52 | ≥4J | ≤1.0 | ||||
Quality Monitoring
Every batch of High Chromium Alloy Cast Balls undergoes comprehensive quality inspections, including chemical composition analysis, hardness testing, metallographic examination, and impact resistance evaluation. Strict quality control throughout the production process ensures stable performance and reliable product consistency.
Manufacturing Facilities
Exhibition Participation
High Chromium Alloy Cast Balls are regularly exhibited at international mining, cement, and industrial exhibitions. These events provide opportunities to showcase our manufacturing expertise, discuss application solutions, and build long-term partnerships with customers worldwide.
Collaboration Opportunities
Choosing High Chromium Alloy Cast Balls from ZenTi means partnering with a manufacturer committed to product quality, advanced casting technology, and reliable global supply. With extensive industry experience, strict quality management, and efficient delivery, we provide cost-effective grinding media solutions for customers around the world.
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