Rockwell
Rockwell Superficial
Brinell
Vickers
Shore
A
B
C
D
E
F
15-N
30-N
45-N
30-T
3000 kg
500 kg
136
Approx Tensile Strength (psi)
60kg Brale
100kg 1/16" Ball
150kg Brale
100kg Brale
100kg 1/8" Ball
60kg 1/16" Ball
15kg Brale
30kg Brale
45kg Brale
30 kg 1/16" Ball
10mm Ball Steel
Diamond Pyramid
Sciero-scope
25.0
27
---
73.0
72.5
33.8
65
24.5
26
72.0
33.1
24.2
25
71.0
32.4
64
24.0
24
70.5
32.0
23.5
23
70.0
31.1
63
23.0
22
69.5
30.4
22.5
21
69.0
29.7
62
22.0
20
68.5
29.0
21.5
19
68.0
28.1
61
21.2
18
67.5
67.0
27.4
21.0
17
66.5
26.7
60
20.5
16
66.0
26.0
20.0
15
65.5
25.3
59
14
65.0
24.6
13
64.5
23.9
58
12
64.0
11
63.5
22.6
57
10
62.5
63.0
21.9
9
62.0
56
8
61.5
7
61.0
19.8
6
60.5
19.1
55
5
60.0
18.4
4
59.0
59.5
18.0
3
58.5
17.1
54
2
58.0
16.4
1
57.5
15.7
53
0
57.0
15.0
