PCE Instruments PCE-900, Manual

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EN - 20
4.2 Abbreviations of the hardness scales
Abbreviation Meaning
HLD Leeb hardness scale, impact device type D
HB Brinell hardness scale
HRB Rockwell hardness scale B
HRC Rockwell hardness scale C
HSD Shore hardness scale
HV Vickers hardness scale
4.3 Material numbers
No. Material
1 (Cast) steel
2 Cold work tool steel
3 Stainless steel
4 Grey cast iron
5 Spheroidal graphite iron
6 Cast aluminium alloys
7 Brass
8 Bronze
9 Copper
4.4 Conversion chart
Material HL HRC HRB
HB
HS HV
30D
2
10D
2
(Cast) steel 300 ~ 900 20.0 ~ 68.0 38.4 ~ 99.5 80 ~ 647 32.5 ~ 99.5 80 ~ 940
Cold work tool
steel 300 ~ 840 20.4 ~ 67.1 80 ~ 898
Stainless steel 300 ~ 800 19.6 ~ 62.4 46.5 ~ 101.7 85 ~ 655 80 ~ 802
Grey cast iron 360 ~ 650 93 ~ 334
Spheroidal
graphite iron 400 ~ 660 131 ~ 387
Cast aluminium
alloys 174 ~ 560 20 ~ 159
Brass 200 ~ 550 13.5 ~ 95.3 40 ~ 173
Bronze 300 ~ 700 60 ~ 290
Copper 200 ~ 690 45 ~ 315
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