|
Vickers Diamond Pyramid Hardness Number
|
Rockwell Hardness Number
|
|||
|
A¡¤Scale 60Kg
Load Brale Penetrator |
B¡¤Scale 100Kg
Load 1/16 in Penetrator |
C¡¤Scale 150Kg
Load Brale Penetrator |
D¡¤Scale 100Kg
Load Brale Penetrator |
|
|
840
820 200 |
84.1
83.8 83.4 |
-
- - |
65.3
64.7 64.0 |
74.8
74.3 73.8 |
|
-
780 760 740 |
-
83.0 82.6 82.2 |
-
- - - |
-
63.3 62.5 61.6 |
-
73.3 72.6 72.1 |
|
737
720 700 |
82.2
81.8 81.3 |
-
- - |
61.7
61.0 60.1 |
72.2
71.5 70.8 |
|
597
690 680 670 |
81.2
81.1 80.8 80.6 |
-
- - - |
60.0
59.7 59.2 58.8 |
70.7
70.5 70.1 69.8 |
|
667
|
80.5
|
-
|
58.7
|
69.7
|
|
677
640 |
80.7
79.8 |
-
- |
59.1
57.3 |
70.0
68.7 |
|
640
615 |
79.8
79.1 |
-
- |
57.3
56.0 |
68.7
67.7 |
|
607
591 |
78.6
78.4 |
-
- |
55.6
54.7 |
67.4
66.7 |
|
579
569 |
78.0
77.8 |
-
- |
54.0
53.5 |
66.1
65.8 |
|
553
547 |
77.1
76.9 |
-
- |
52.5
52.1 |
65.0
64.7 |
|
539
530 528 |
76.7
76.4 76.3 |
-
- - |
51.6
51.1 51.0 |
64.3
63.9 63.8 |
|
516
508 508 |
75.9
75.6 75.6 |
-
- - |
50.3
49.6 49.6 |
63.2
62.7 62.7 |
|
495
491 491 |
75.1
74.9 74.9 |
-
- - |
48.8
48.5 48.5 |
61.9
61.7 61.7 |
|
474
472 472 |
74.3
74.2 74.2 |
-
- - |
47.2
47.1 47.1 |
61.0
60.8 60.8 |
|
455
440 425 410 396 |
73.4
72.8 72.0 71.4 70.6 |
-
- - - - |
45.7
44.5 43.1 41.8 40.4 |
69.7
68.8 57.8 56.8 55.7 |
|
383
372 360 350 339 |
70.0
69.3 68.7 68.1 67.5 |
-
(110.0) (109.0) (108.5) (108.0) |
39.1
37.9 36.6 35.5 34.3 |
54.6
53.8 52.8 51.9 51.0 |
|
328
319 309 301 292 |
66.9
66.3 65.7 65.3 64.6 |
(107.5)
(107.0) (106.0) (105.5) (104.5) |
35.1
32.1 30.9 29.9 28.8 |
50.0
49.3 48.3 47.6 46.7 |
|
284
275 289 261 253 |
64.1
63.6 63.0 62.5 61.8 |
(104.0)
(103.0) (102.0) (101.0) 100.0 |
27.6
26.6 25.4 24.2 22.8 |
45.9
45.0 44.2 43.2 42.0 |
|
247
241 234 228 222 |
61.4
60.8 - - - |
990
98.2 97.3 96.4 95.5 |
21.7
20.5 (18.8) (17.5) (16.0) |
41.4
40.5 - - - |
|
218
212 207 202 196 |
-
- - - - |
94.6
93.8 92.8 91.9 00.7 |
(15.2)
(13.8) (12.7) (11.5) (10.0) |
-
- - - - |
|
192
188 182 178 175 |
-
- - - - |
00.0
69.0 87.8 85.8 86.0 |
(9.0)
(8.0) (6.4) (5.4) (4.4) |
-
- - - |
|
171
163 156 143 |
-
- - - |
85.0
82.9 80.8 78.7 76.4 |
(3.3)
(0.9) - - - |
-
- - - |
|
137
132 127 122 117 |
-
- - - - |
74.0
72.0 69.8 67.6 65.7 |
-
- - - - |
-
- - - - |