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
42.5
67
---
97.5
95.0
61.4
119
106
42.0
66
97.0
94.5
60.5
117
104
41.8
65
96.0
94.0
60.1
116
102
41.5
64
95.5
93.5
59.5
114
101
41.0
63
93.0
58.7
112
99
40.5
62
92.0
58.0
110
98
40.0
61
91.5
57.3
108
96
39.5
60
91.0
56.5
107
95
39.0
59
92.5
90.5
55.9
94
38.5
58
90.0
55.0
92
38.0
57
89.5
54.6
91
37.8
56
89.0
54.0
90
37.5
55
88.0
53.2
89
37.0
54
87.5
52.5
87
36.5
53
87.0
51.8
86
36.0
52
86.5
51.0
85
35.5
51
86.0
50.4
84
35.0
50
85.5
49.5
83
34.8
49
85.0
49.1
82
34.5
48
84.5
48.5
81
