|
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
|
10mm Ball Steel
|
Diamond Pyramid
|
Sciero-scope
|
|
86.5
|
---
|
70
|
78.5
|
---
|
---
|
94.0
|
86.0
|
77.6
|
---
|
---
|
---
|
1076
|
101
|
---
|
|
86.0
|
---
|
69
|
77.7
|
---
|
---
|
93.5
|
85.0
|
76.5
|
---
|
---
|
---
|
1044
|
99
|
---
|
|
85.6
|
---
|
68
|
76.9
|
---
|
---
|
93.2
|
84.4
|
75.4
|
---
|
---
|
---
|
940
|
97
|
---
|
|
85.0
|
---
|
67
|
76.1
|
---
|
---
|
92.9
|
83.6
|
74.2
|
---
|
---
|
---
|
900
|
95
|
---
|
|
84.5
|
---
|
66
|
75.4
|
---
|
---
|
92.5
|
82.8
|
73.2
|
---
|
---
|
---
|
865
|
92
|
---
|
|
83.9
|
---
|
65
|
74.5
|
---
|
---
|
92.2
|
81.9
|
72.0
|
---
|
739
|
---
|
832
|
91
|
---
|
|
83.4
|
---
|
64
|
73.8
|
---
|
---
|
91.8
|
81.1
|
71.0
|
---
|
722
|
---
|
800
|
88
|
---
|
|
82.8
|
---
|
63
|
73.0
|
---
|
---
|
91.4
|
80.1
|
69.9
|
---
|
705
|
---
|
772
|
87
|
---
|
|
82.3
|
---
|
62
|
72.2
|
---
|
---
|
91.1
|
79.3
|
68.8
|
---
|
688
|
---
|
746
|
85
|
---
|
|
81.8
|
---
|
61
|
71.5
|
---
|
---
|
90.7
|
78.4
|
67.7
|
---
|
670
|
---
|
720
|
83
|
---
|
|
81.2
|
---
|
60
|
70.7
|
---
|
---
|
90.2
|
77.5
|
66.6
|
---
|
654
|
---
|
697
|
81
|
320,000
|
|
80.7
|
---
|
59
|
69.9
|
---
|
---
|
89.8
|
76.6
|
65.5
|
---
|
634
|
---
|
674
|
80
|
310,000
|
|
80.1
|
---
|
58
|
69.2
|
---
|
---
|
89.3
|
75.7
|
64.3
|
---
|
615
|
---
|
653
|
78
|
300,000
|
|
79.6
|
---
|
57
|
68.5
|
---
|
---
|
88.9
|
74.8
|
63.2
|
---
|
595
|
---
|
633
|
76
|
290,000
|
|
79.0
|
---
|
56
|
67.7
|
---
|
---
|
88.3
|
73.9
|
62.0
|
---
|
577
|
---
|
613
|
75
|
282,000
|
|
78.5
|
120
|
55
|
66.9
|
---
|
---
|
87.9
|
73.0
|
60.9
|
---
|
560
|
---
|
595
|
74
|
274,000
|
|
78.0
|
120
|
54
|
66.1
|
---
|
---
|
87.4
|
72.0
|
59.8
|
---
|
543
|
---
|
577
|
72
|
266,000
|
|
77.4
|
119
|
53
|
65.4
|
---
|
---
|
86.9
|
71.2
|
58.6
|
---
|
525
|
---
|
560
|
71
|
257,000
|
|
76.8
|
119
|
52
|
64.6
|
---
|
---
|
86.4
|
70.2
|
57.4
|
---
|
500
|
---
|
544
|
69
|
245,000
|
|
76.3
|
118
|
51
|
63.8
|
---
|
---
|
85.9
|
69.4
|
56.1
|
---
|
487
|
---
|
528
|
68
|
239,000
|
|
75.9
|
117
|
50
|
63.1
|
---
|
---
|
85.5
|
68.5
|
55.0
|
---
|
475
|
---
|
513
|
67
|
233,000
|
|
75.2
|
117
|
49
|
62.1
|
---
|
---
|
85.0
|
67.6
|
53.8
|
---
|
464
|
---
|
498
|
66
|
227,000
|
|
74.7
|
116
|
48
|
61.4
|
---
|
---
|
84.5
|
66.7
|
52.5
|
---
|
451
|
---
|
484
|
64
|
221,000
|
|
74.1
|
116
|
47
|
60.8
|
---
|
---
|
83.9
|
65.8
|
51.4
|
---
|
442
|
---
|
471
|
63
|
217,000
|
|
73.6
|
115
|
46
|
60.0
|
---
|
---
|
83.5
|
64.8
|
50.3
|
---
|
432
|
---
|
458
|
62
|
212,000
|
|
73.1
|
115
|
45
|
59.2
|
---
|
---
|
83.0
|
64.0
|
49.0
|
---
|
421
|
---
|
446
|
60
|
206,000
|
|
72.5
|
114
|
44
|
58.5
|
---
|
---
|
82.5
|
63.1
|
47.8
|
---
|
409
|
---
|
434
|
58
|
200,000
|
|
72.0
|
113
|
43
|
57.7
|
---
|
---
|
82.0
|
62.2
|
46.7
|
---
|
400
|
---
|
423
|
57
|
196,000
|
|
71.5
|
113
|
42
|
56.9
|
---
|
---
|
81.5
|
61.3
|
45.5
|
---
|
390
|
---
|
412
|
56
|
191,000
|
|
70.9
|
112
|
41
|
56.2
|
---
|
---
|
80.9
|
60.4
|
44.3
|
---
|
381
|
---
|
402
|
55
|
187,000
|
|
70.4
|
112
|
40
|
55.4
|
---
|
---
|
80.4
|
59.5
|
43.1
|
---
|
371
|
---
|
392
|
54
|
182,000
|
|
69.9
|
111
|
39
|
54.6
|
---
|
---
|
79.9
|
58.6
|
41.9
|
---
|
362
|
---
|
382
|
52
|
177,000
|
|
69.4
|
110
|
38
|
53.8
|
---
|
--- | |