|
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 |
65.3
|
105
|
30
|
47.7
|
---
|
---
|
75.0
|
50.4
|
31.3
|
---
|
286
|
---
|
302
|
42
|
140,000
|
64.7
|
104
|
29
|
47.0
|
---
|
---
|
74.5
|
49.5
|
30.1
|
---
|
279
|
---
|
294
|
41
|
137,000
|
64.3
|
104
|
28
|
46.1
|
---
|
---
|
73.9
|
48.6
|
28.9
|
---
|
271
|
---
|
286
|
41
|
133,000
|
63.8
|
103
|
27
|
45.2
|
---
|
---
|
73.3
|
47.7
|
27.8
|
---
|
264
|
---
|
279
|
40
|
129,000
|
63.3
|
103
|
26
|
44.6
|
---
|
---
|
72.8
|
46.8
|
26.7
|
---
|
258
|
---
|
272
|
39
|
126,000
|
62.8
|
102
|
25
|
43.8
|
---
|
---
|
72.2
|
45.9
|
25.5
|
---
|
253
|
---
|
266
|
38
|
124,000
|
62.4
|
101
|
24
|
43.1
|
---
|
---
|
71.6
|
45.0
|
24.3
|
---
|
247
|
---
|
260
|
37
|
121,000
|
62.0
|
100
|
23
|
42.1
|
---
|
---
|
71.0
|
44.0
|
23.1
|
82.0
|
240
|
201
|
254
|
36
|
118,000
|
61.5
|
99
|
22
|
41.6
|
---
|
---
|
70.5
|
43.2
|
22.0
|
81.5
|
234
|
195
|
248
|
35
|
115,000
|
61.0
|
98
|
21
|
40.9
|
---
|
---
|
69.9
|
42.3
|
20.7
|
81.0
|
228
|
189
|
243
|
35
|
112,000
|
60.5
|
97
|
20
|
40.1
|
---
|
---
|
69.4
|
41.5
|
19.6
|
80.5
|
222
|
184
|
238
|
34
|
109,000
|
59.0
|
96
|
18
|
---
|
---
|
---
|
---
|
---
|
---
|
80.0
|
216
|
179
|
230
|
33
|
106,000
|
58.0
|
95
|
16
|
---
|
---
|
---
|
---
|
---
|
---
|
79.0
|
210
|
175
|
222
|
32
|
103,000
|
57.5
|
94
|
15
|
---
|
---
|
---
|
---
|
---
|
---
|
78.5
|
205
|
171
|
213
|
31
|
100,000
|
57.0
|
93
|
13
|
---
|
---
|
---
|
---
|
---
|
---
|
78.0
|
200
|
167
|
208
|
30
|
98,000
|
56.5
|
92
|
12
|
---
|
---
|
---
|
---
|
---
|
---
|
77.5
|
195
|
163
|
204
|
29
|
96,000
|
56.0
|
91
|
10
|
---
|
---
|
---
|
---
|
---
|
---
|
77.0
|
190
|
160
|
196
|
28
|
93,000
|
55.5
|
90
|
9
|
---
|
---
|
---
|
---
|
---
|
---
|
76.0
|
185
|
157
|
192
|
27
|
91,000
|
55.0
|
89
|
8
|
---
|
---
|
---
|
---
|
---
|
---
|
75.5
|
180
|
154
|
188
|
26
|
88,000
|
54.0
|
88
|
7
|
---
|
---
|
---
|
---
|
---
|
---
|
75.0
|
176
|
151
|
184
|
26
|
86,000
|
|