PCE Instruments PCE-2500N, User Manual

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10.3 Ball indentation
Hardness 300 HV Indentation diameter
Penetration depth
0.54 mm
24 μm
Hardness 600 HV Indentation diameter
Penetration depth
0.54 mm
17 μm
Hardness 800 HV Indentation diameter
Penetration depth
0.35 mm
10 μm
10.4 Conversion chart materials
Material Hardness scale Value
Steel and cast steel
HRC 17.9
～
68.5
HRB 59.6
～
99.6
HRA 59.1
～
85.8
HB 127
～
651
HV 83
～
976
HS 32.2
～
99.5
Steel HB 143
～
650
Alloyed tool steel
HRC 20.4
～
67.1
HV 80
～
898
Stainless steel
HRB 46.5
～
101.7
HB 85
～
65 5
HV 85
～
802
Grey cast iron
HRC
HB 93
～
334
HV
Spheroidal graphite iron
HRC
HB 131
～
387
HV
Cast aluminium
HB 19
～
164
HRB 23.8
～
84.6
Brass
HB 40
～
173
HRB 13.5
～
95.3
Bronze HB
60
～
290
Copper HB 45
～
315