HRC57-65 High Chrome Grinding Media Balls For Cement Mill, Raw Material Mill And Coal Mill
HRC57-65 High Chrome Grinding Media Balls For Cement Mill, Raw Material Mill And Coal Mill
Product Description
Special High Chrome Grinding Media Balls are tailor-made according to the actual working conditions of cement plants. The products have good wear resistance, low deformation rate of steel balls, and almost no breakage. At the same time, we provide personalized application solutions, such as providing initial assembly and grading of grinding bodies, optimal solutions for steel balls, grinding body material and performance design, increasing production and efficiency, saving energy and reducing consumption, etc.
Technical Parameters
① Material: Cr10%, Cr12%, Cr15%, Cr18%
② Hardness: HRC57-65
③ Impact value: ≥4.0 J/cm2
④ Broken rate after use: ≤0.3%
⑤ Grinding ball specifications: φ4.8mm—φ100mm
| product name | Special high chromium balls for cement mill, raw material mill and coal mill | ||||||
| chemical composition(%) | C | Si | Mn | Cr | S | P | Y |
| 1.8-3.3 | 0.3-1.2 | 0.2-1.0 | 10.0-20.0 | ≤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 | ≥4.0 | 57-65 | ≥30000 | ||||
| Remark:M—martensite C—carbide A—retained austenite | |||||||
Product Application
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