Cr8%-Cr18% Forged Steel Grinding Media Balls Grinding Section For Ball Mill
Product Description
Special grinding balls and grinding sections for mining are specialized tools used in the process of mineral ore grinding. Mining operations often involve extracting valuable minerals from the earth, which are then processed to separate the desired minerals from the ore. Grinding is a crucial step in this process, where the ore is crushed and ground into smaller particles to increase its surface area for subsequent mineral extraction.
The special grinding balls and grinding sections used in mining are designed to optimize the efficiency and effectiveness of the grinding process. They are typically made from durable materials that can withstand the harsh conditions found in mining operations, including high impact forces, abrasion, and corrosion.
Grinding balls are spherical grinding media that are used in ball mills, which are large rotating drums filled with the mined ore and grinding media. These balls are designed to effectively break down the ore particles and facilitate the grinding process. They come in various sizes and compositions, depending on the specific requirements of the mining operation. Common materials used for grinding balls include steel, ceramic, and high-chromium alloys.
Technical parameters
① Material: Cr8%, Cr10%, Cr12%, Cr15%, Cr18%.
② Hardness: HRC60-68
③ Impact value: ≥3.5J/cm3
④ Broken rate after use: ≤0.3%
⑤ Grinding ball specifications: φ15mm—φ130mm
⑥ Grinding section specifications: φ18*18mm—φ50*60mm
| Product Name | Special grinding balls and grinding sections for mining |
| chemical composition(%) | C | Si | Mn | Cr | S | P | Y |
| 1.8-3.3 | 0.3-1.2 | 0.2-1.0 | 8.0-20.0 | ≤0.08 | ≤0.08 | ≤0.10 |
| Mo | Nb | Ti | V | Cu | Al | W |
| microscale | microscale | microscale | microscale | microscale | microscale | microscale |
| mechanical properties | Microstructure | Impact value AK(J/cm3) | hardness(HRC) | Falling ball impact fatigue life (number of times) |
| M+C+A | ≥3.5 | 60-68 | ≥28000 |
| Remark:M—martensite C—carbide A—retained austenite |
Product Line
Product Application
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Cr8%-Cr18% Forged Steel Grinding Media Balls Grinding Section For Ball Mill Images
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