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Grinding Rods are high-performance alloy steel components engineered for industrial grinding systems, specifically designed for rod mills in mineral processing and material refinement workflows . Unlike standard steel bars, these rods undergo precision heat treatment to optimize wear resistance and impact tolerance, making them critical for reducing operational downtime and enhancing milling efficiency. Our grinding rods are tailored to match diverse mill specifications, supporting industries from mining to glass manufacturing by delivering consistent particle size reduction .
Through advanced heat treatment processes, our grinding rods achieve uniform hardness distribution across the cross-section, resulting in 150% higher wear resistance compared to conventional rolled steel bars . This superior durability ensures a more regular wear mechanism along the rod length, avoiding uneven degradation that disrupts milling conditions .
The alloy composition enhances tensile strength, keeping the breakage rate below 1% — a key advantage for continuous production lines . This low failure rate minimizes mill jamming and reduces the need for frequent rod replacement.
We offer grinding rods in diameters ranging from 30 mm to 140 mm with customizable lengths, engineered to fit specific rod mill models in mining, quartz sand factories, and power plants . Each rod maintains strict straightness tolerances to ensure stable rotation and consistent grinding performance.
| 材料 (Material) | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) |
|---|---|---|---|---|---|---|
| 40Cr | 0.37 - 0.45 | 0.17 - 0.37 | 0.50 - 0.80 | ≤0.030 | ≤0.030 | 0.80 - 1.10 |
| 42CrMo | 0.38 - 0.45 | 0.17 - 0.37 | 0.50 - 0.80 | ≤0.035 | ≤0.035 | 0.90 - 1.20 |
| 60Mn | 0.57 - 0.65 | 0.17 - 0.37 | 0.70 - 1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
| 65Mn | 0.62 - 0.70 | 0.17 - 0.37 | 0.70 - 1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
| 45# | 0.42 - 0.50 | 0.17 - 0.37 | 0.50 - 0.80 | ≤0.040 | ≤0.0405 | ≤0.25 |
| B2 | 0.75 - 0.85 | 0.17 - 0.35 | 0.70 - 0.90 | ≤0.030 | ≤0.030 | 0.40 - 0.60 |
| B3 | 0.58 - 0.66 | 1.60 - 1.90 | 0.65 - 0.80 | ≤0.030 | ≤0.030 | 0.70 - 0.90 |
Ideal for grinding iron ore, copper ore, and gold ore in rod mills, facilitating mineral liberation for downstream processing . The rods’ wear resistance supports continuous operation in high-volume mining sites.
Used to grind gravel into construction sand and process quartz for glass manufacturing, ensuring consistent particle size and purity .
Employed in power plants for grinding coal and coke, optimizing combustion efficiency by reducing material to a uniform fine powder .