© PCE Instruments
9
8
Further information
8.1
Approximate conversion curve
Barcol hardness
8.2
Hardness conversion
NOTE: Due to the properties of soft metal materials, a consistent conversion between different
hardness systems is not possible. Therefore, the following conversion table is for reference
only. It is recommended to determine the actual hardness values by taking measurements.
Barcol
OU2800S
Brinell
10mm
500kg
Vickers
5kg
Webster
W-20
Rockwell
B
E
F
H
35
21
32
36
22
35
37
23
37
38
24
40
39
25
42
40
25
26
45
41
25
27
47
B
rine
ll
–
R
o
c
k
w
e
ll
–
V
ic
k
e
rs
h
a
rd
n
e
s
s