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Place of Origin : China
Product Name : Wear Resistant Grinding Ball
Feature : Energy Saving
Material : Cr12%, Cr15%, Cr18%, Cr20%
Hardness : HRC56-62
Size : Dia.20-90mm
Application : Power Plant Coal Grinding
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
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Wear Resistant Steel Ball Energy Saving Steel Balls For Power Plant Coal Grinding Images |