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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 and reliable performance in harsh grinding environments.
| Feature | Advantage | Buyer Benefit |
|---|---|---|
| Precision heat treatment resulting in HRC50-55 hardness | Achieves uniform hardness distribution across the cross-section | Delivers 150% higher wear resistance compared to conventional rolled steel bars, avoiding uneven degradation and reducing replacement frequency. |
| Strict nonstraightness tolerance (<0.2%) | Ensures stable rotation and consistent grinding within the rod mill | Prevents mill jamming and avoids uneven wear to mill liners, ensuring continuous and smooth production. |
| Optimized alloy compositions (e.g., 40Cr, 42CrMo, 60Mn) | Enhances tensile strength and impact tolerance in harsh environments | Keeps breakage rate low, minimizing unplanned downtime and lowering maintenance and labor costs. |
| 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 |
| Material Options | Alloy Steel (40Cr, 42CrMo, 60Mn, 65Mn, 45#, B2, B3) |
| Diameter Range | 30 mm to 140 mm |
| Hardness | HRC50-55 |
| Diameter Tolerance | +0mm / -1.5mm |
| Length Tolerance | +0mm / -20mm |
| Nonstraightness | <0.2% |
| Customization | Customizable lengths and tailored alloy selection based on specific rod mill setup |
Mining Industry: Suitable for processing iron ore, copper ore, and gold ore.
Construction Materials: Designed for grinding gravel into construction sand, and quartz for glass manufacturing.
Energy Sector: Applicable for grinding coal and coke in power plants.
Equipment Compatibility: Specifically engineered for industrial rod mills.
Please confirm the exact breakage rate guarantee based on your specific application requirements and operating conditions.
Minimum Order Quantity (MOQ) and pricing details can be confirmed during the inquiry process.
Packaging methods for safe transport and lead times for customized lengths need to be verified prior to order placement.
Please inquire regarding specific ISO quality certifications if required for your project compliance.
Q1: What materials are available for these grinding rods?
A1: The rods are available in various alloy steel compositions, including 40Cr, 42CrMo, 60Mn, 65Mn, 45#, B2, and B3, which can be tailored to your specific rod mill setup.
Q2: What is the hardness level of the grinding rods?
A2: Through precision heat treatment, the grinding rods achieve a uniform hardness of HRC50-55.
Q3: What are the dimensional tolerances for this product?
A3: The diameter tolerance is +0mm / -1.5mm, the length tolerance is +0mm / -20mm, and the nonstraightness is strictly controlled at <0.2%.
