Wuxi Weishi Industrial Complete Equipment Co., Ltd.
Wuxi Weishi Industrial Complete Equipment Co., Ltd.
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Wear Resistant Steel Ball Energy Saving Steel Balls For Power Plant Coal Grinding
Product Description
The Energy Saving Steel Balls used for coal grinding in power plants are tailor-made according to the actual working conditions of the coal mill in power plants, and provide less-ball gradation grinding technology. Compared with traditional steel balls, Wear Resistant Grinding Balls have obvious advantages and benefits.
Technical parameters
① Material: Cr12%, Cr15%, Cr18%, Cr20%
② Hardness: HRC56-62
③ Impact value: ≥4.0 J/cm2
④ Broken rate after use: ≤0.3%
⑤ Grinding ball specifications: Φ20-φ90mm
| 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 | 12.0-20.0 | ≤0.08 | ≤0.08 | ≤0.15 | |
| 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 | 56-62 | ≥30000 | ||||
| Remark:M—martensite C—carbide A—retained austenite | |||||||
Production Line
