Volumetric hardness of grinding balls

Volumetric hardness of grinding balls – a calculated index of hardness. It summarizes hardness value for the grinding ball volume.

The calculation formula:

VH= 0,289 Т_surf+ 0,436 Т_0,25 + 0,203Т_0,5 + 0,063Т_0,75 + 0,009 Т_c