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Grinding media

Grinding balls
Grinding balls are delivered as-rolled or in the quenched and tempered condition. The standard grinding ball steel A810 is of the type 0.83% C, 0.8% Mn, 0.3% Cr.
Hardness in the quenched and tempered condition. The A 810 grinding balls maintain the same wear resistance from start to finish. Grinding balls in other steel grades can be supplied upon request.

Grinding rods
Grinding rods are delivered in the as-rolled, straightened condition. The grinding rod steel is of the type 1.0% C 1.4% Cr. The dimension range is O 75–120 mm. The hardness range is 340–400 HBW.

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Hardness

  • Surface:
    62 - 66 HRC
  • Core:
    60 - 65 HRC
  • Average volumetric hardness:
    61 - 65 HRC

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