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  1.  Product Introduction :Made of selected high chromium cast iron and different chromium contents are available.  It adopts advanced heat treatment technology. It features high hardness, low breakage rate and no deformation, and is the key grinding medium for cement mills.

     2.Specifications & Dimensions

        1)  Cast steel balls (high/medium/low chromium): Φ15mm - Φ130mm
        2) Packaging: Ton bag packaging

    3. Technical Indicators

       1) Surface hardness: 55 - 67HRC; Volume hardness: 50 - 63HRC
       2) Impact toughness: >12J/cm²
       3) Crushing rate: ≤1%; Drop impact times: >20,000 times

      4. Scope of aplication   

        Cement raw material mills, cement finished product mills and slag mills. Suitable for various large - scale cement production lines.

      5.Usage effect

        1) Dosage: Determined by mill volume, generally 30% - 45% of mill effective volume.
        2) Usage: Regularly check the wear degree; Supplement new steel balls when the grinding efficiency decreases, and screen out broken ones.

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