PCE Health and Fitness PCE-900 User Manual page 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
(Cast) steel 300 ~ 900
Cold work tool 300 ~ 840
steel
Stainless steel 300 ~ 800
Grey cast iron 360 ~ 650
Spheroidal 400 ~ 660
graphite iron
Cast aluminium 174 ~ 560
alloys
Brass 200 ~ 550
Bronze 300 ~ 700
Copper 200 ~ 690
EN - 20
HL HRC
20.0 ~ 68.0 38.4 ~ 99.5
20.4 ~ 67.1
19.6 ~ 62.4 46.5 ~ 101.7
13.5 ~ 95.3
HB
HRB
30D
2
80 ~ 647
85 ~ 655
93 ~ 334
131 ~ 387
20 ~ 159
40 ~ 173
60 ~ 290
45 ~ 315
HS
10D
2
32.5 ~ 99.5 80 ~ 940
80 ~ 898
80 ~ 802
HV