Based on the Leebs method HL, utilising a 3mm tungsten carbide ball. Other hardness scales can be selected, HS Shore, HB Brinell, HRB Rockwell B, HRC Rockwell C, HV Vickers and N/mm2 tensile strength.
Choice of nine material groups can be selected:
- St Low-alloy/unalloyed steel and cast steel
- ASt Tool steel
- SSt Corrosion resistant steel
- GCI Gray cast iron
- NCI Nodular graphite cast iron
- AL Aluminium cast alloys
- brS Brass
- brZ Bronze
- Cu Wrought copper alloys