1-5'' Forged Grinding Ball for Ball Mill
The 1–5'' Forged Grinding Ball for Ball Mill is available in multiple diameters, meeting diverse requirements of grinding machines and processes. Unlike conventional balls, the forging process ensures a dense internal structure free of porosity or impurities, eliminating the risk of breakage from hidden defects. With smooth surfaces and precise roundness, the balls distribute evenly during operation, resulting in higher grinding efficiency and reduced energy consumption. Their stability and reliability make them ideal for large-scale ore crushing and milling.
Product Highlights
High-quality alloy steels such as ZT-2, ZT-3, and ZT-4 are selected as raw materials, each refined through strict smelting processes. After heating to high temperatures, the balls are repeatedly forged by air hammers or rolling equipment, aligning the metal fiber structure throughout the ball to enhance toughness and wear resistance. Subsequent quenching and tempering treatments achieve an optimal balance between surface hardness and core toughness. This ensures the 1–5'' Forged Grinding Ball maintains stable performance in long-term high-impact grinding environments.

Application Fields Overview
Machines | Industries |
·Ball mills | ·Mining industry |
·Power stations | |
·Tower mills | ·Cement industry |
·Coal grinding machine | ·Steel Industry |
·Bearing | ·Chemical Industry |
·Metallurgical industry |
The 1–5'' Forged Grinding Ball is widely used across mining, cement, power generation, and chemical industries, playing a critical role in grinding gold, copper, iron, and silver ores. Different diameters serve different stages of milling: larger balls handle coarse grinding by breaking down large ore fragments quickly, while smaller balls are suited for fine grinding to achieve the desired particle size. Whether in dry or wet milling environments, these forged balls deliver consistent results, supporting customers in achieving higher productivity and lower overall costs.
Technical Specifications Guide
Chemical Composition (%) | ||||||
Steel Specification | C | Mn | Si | Cr | S | P |
40Cr | 0.37-0.44 | 0.50-0.80 | 0.17-0.37 | 0.80-1.15 | ≤0.035 | ≤0.035 |
42CrMo | 0.38-0.45 | 0.50-0.80 | 0.17-0.37 | 0.90-1.25 | ≤0.035 | ≤0.035 |
60Mn | 0.57-0.65 | 0.70-1.00 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
65Mn | 0.62-0.72 | 0.90-1.20 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
ZT-4 | 0.44-0.72 | 0.50-0.90 | 0.17-0.37 | ≤0.50 | ≤0.035 | ≤0.035 |
ZT-10 | 0.60-0.78 | 0.65-1.33 | 0.25-0.65 | ≤0.45 | ≤0.035 | ≤0.035 |
B2 | 0.70-0.92 | 0.70-1.00 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.035 |
B3 | 0.52-0.65 | 0.66-1.00 | 1.30-1.90 | 0.74-1.20 | ≤0.030 | ≤0.030 |
B4 | 0.65-0.75 | 0.50-0.70 | 1.20-1.40 | 0.85-1.00 | ≤0.025 | ≤0.025 |
B6 | 0.75-0.90 | 0.80-1.02 | 0.17-0.37 | 0.88-0.98 | ≤0.035 | ≤0.035 |
BU | 0.95-1.05 | 0.95-1.05 | 0.15-0.35 | 0.45-0.55 | ≤0.035 | ≤0.035 |
BL | 0.55-0.75 | 0.65-0.85 | 0.15-0.35 | 0.70-1.20 | ≤0.035 | ≤0.035 |
BG | 0.90-1.05 | 0.35-0.95 | 0.15-0.35 | 1.00-1.70 | ≤0.035 | ≤0.035 |
Physical Features | |||||
Diameter (mm) (inches) | Surface Hardness (HRC) | Diameter Tolerance (mm) | Impact Value (J/cm²) | Breakage Rate (%) | Drop Test (times) |
20 (0.79) | >60 | +2.0 -1.0 | ≥12 | ≤1 | >15000 |
25 (0.98) | |||||
30 (1.18) | |||||
40 (1.57) | |||||
50 (1.97) | |||||
60 (2.36) | +3.0 -1.5 | ||||
65(5.56) | |||||
70 (2.76) | |||||
75 (3.00) | |||||
80 (3.15) | |||||
90 (3.54) | |||||
100 (3.94) | +4.0 -2.0 | ||||
120 (4.72) | >58 | ||||
125 (4.92) | |||||
140 (5.51) | >55 | +5.0 -3.0 | |||
150 (5.91) | |||||
Quality Assurance Process
A complete quality control system is applied throughout the production process. Each batch of 1–5'' Forged Grinding Balls undergoes hardness testing, metallographic analysis, drop testing, and impact testing. Hardness checks verify uniformity across the surface and core; metallographic analysis confirms proper structural composition; drop tests simulate operational impact to ensure durability in prolonged use; and impact testing validates toughness and fatigue resistance. These rigorous measures guarantee that every ball delivered meets or exceeds customer expectations.

Manufacturing Resources

Exhibition Records
We actively participate in major mining and construction material exhibitions worldwide, covering markets in Africa, Southeast Asia, South America, and the Middle East. At these events, we showcase the advantages and applications of the 1–5'' Forged Grinding Ball and engage directly with industry partners to discuss evolving market needs and technological developments. Exhibitions allow customers to experience our products firsthand while highlighting our commitment to expanding global cooperation.


Partnership Values
Thanks to stable performance and consistent quality, the 1–5'' Forged Grinding Ball has been exported to more than 50 countries across Europe, South America, Africa, Southeast Asia, and Australia. It is widely used by major mining companies and cement producers. Customer feedback highlights significant reductions in ball consumption, extended grinding cycles, and lower maintenance costs when using our products. This not only reflects the advantages of the grinding balls themselves but also demonstrates our professional capability in after-sales service and technical support.
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