Krautkramer DynaPOCKET - Application Ranges of the Conversion Tables

Krautkramer DynaPOCKET Issue 03, 04/2005 7-5
The rebound hardness testing methodConversion of hardness values
Application ranges of the conversion tables
Conversion Material HV HB HRB HRC HS N/mm²
mode group
DIN St 80 – 1000 80 – 650 40 – 106 19 – 70 30 – 100 275 – 2200
ASTM St 90 – 1000 90 – 560 52 – 102 19 – 70 30 – 100 300 – 2200
Dyna St 75 – 1000 75 – 700 35 – 100 20 – 70 30 – 100 250 – 2200
ASt 75 – 1000 20 – 70
SSt 75 – 1000 75 – 700 35 – 100 20 – 70
GCI 90 – 350
NCI 120 – 400
AL 20 – 180 10 – 85
brS 40 – 180 10 – 95
brZ 45 – 320
Cu 45 – 320
Measuring range for the default scale HL: 150 – 1000