HRC60-68 Wear Resistant Grinding Ball Cr8%-18% Casting Steel Grinding Ball For Mining
HRC60-68 Wear Resistant Grinding Ball Cr8%-18% Casting Steel Grinding Ball For Mining
Product Description
Special grinding balls and grinding sections for mining are tailor-made according to the working conditions of wet grinding in the mining industry. The wear resistance is about 2 times that of ordinary grinding balls. We also provide personalized application solutions, such as providing ball mill grinding body grades. Matching technology, best usage plan, grinding body material and performance design, production improvement, energy saving and consumption reduction, etc.
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 Application
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