Measured
Hardness
Cylinder Diameter
1/4"
(6.4mm)
3/8"
(10mm)
1/2"
(13mm)
5/8"
(16mm)
3/4"
(19mm)
7/8"
(22mm)
1 "
(25mm)
Calibration value (Actual hardness = Measured hardness + Calibration value)
0
12.5
8.5
6.5
5.5
4.5
3.5
3.0
10
12.0
8.0
6.0
5.0
4.0
3.5
3.0
20
11.0
7.5
5.5
4.5
4.0
3.5
3.0
30
10.0
6.5
5.0
4.5
3.5
3.0
2.5
40
9.0
6.0
4.5
4.0
3.0
2.5
2.5
50
8.0
5.5
4.0
3.5
3.0
2.5
2.0
60
7.0
5.0
3.5
3.0
2.5
2.0
2.0
70
6.0
4.0
3.0
2.5
2.0
2.0
1.5
80
5.0
3.5
2.5
2.0
1.5
1.5
1.5
90
4.0
3.0
2.0
1.5
1.5
1.5
1.0
100
3.5
2.5
1.5
1.5
1.0
1.0
0.5
DAEKYUNG TECH & TESTERS Mfg. CO.,LTD
- 15 -
9.3 Reference Table 3.
Calibration value when a cylinder-shaped specimen is tested as B, F, G scales
