Pomiar twardości
Przelicznik prób twardości
Współzależność różnych prób twardości: Brinella HB, Vickersa HV i Rockwella HRC
|
HV |
HB |
HRC |
Rm MPa |
|
HV |
HB |
HRC |
Rm MPa |
|
100 |
95 |
|
|
|
440 |
415 |
44,5 |
1450 |
|
110 |
105 |
|
|
|
460 |
433 |
46,1 |
1520 |
|
120 |
114 |
|
|
|
480 |
448 |
47,7 |
1583 |
|
130 |
124 |
|
426 |
|
500 |
471 |
49,1 |
1650 |
|
140 |
133 |
|
455 |
|
520 |
488 |
50,5 |
1720 |
|
150 |
143 |
|
490 |
|
540 |
507 |
51,7 |
1790 |
|
160 |
152 |
(0) |
516 |
|
560 |
525 |
53,0 |
1850 |
|
170 |
162 |
(3,0) |
545 |
|
580 |
545 |
54,1 |
1920 |
|
180 |
171 |
(6,0) |
579 |
|
600 |
564 |
55,2 |
1990 |
|
190 |
181 |
(8,5) |
600 |
|
620 |
582 |
56,3 |
2060 |
|
200 |
190 |
11 ,0 |
634 |
|
640 |
601 |
57,3 |
2130 |
|
210 |
200 |
13,4 |
668 |
|
660 |
620 |
58,3 |
2200 |
|
220 |
209 |
15,7 |
695 |
680 |
638 |
59,2 |
2270 |
|
|
230 |
219 |
18,0 |
730 |
700 |
656 |
60,1 |
|
|
|
240 |
228 |
20, 3 |
765 |
720 |
670 |
61,0 |
|
|
|
250 |
238 |
22 ,2 |
799 |
740 |
684 |
61,8 |
|
|
|
260 |
247 |
24,0 |
834 |
760 |
698 |
62,5 |
|
|
|
270 |
256 |
25 ,6 |
868 |
780 |
710 |
63,3 |
|
|
|
280 |
265 |
27,1 |
902 |
800 |
722 |
64,4 |
|
|
|
290 |
275 |
28,5 |
936 |
820 |
|
64,7 |
|
|
|
300 |
284 |
29,8 |
970 |
840 |
|
65, 3 |
|
|
|
320 |
303 |
32,2 |
1040 |
860 |
|
65,9 |
|
|
|
340 |
322 |
34,4 |
1110 |
880 |
|
66,4 |
|
|
|
360 |
341 |
36,6 |
1170 |
900 |
|
67,0 |
|
|
|
380 |
360 |
38 ,8 |
1240 |
920 |
|
67,5 |
|
|
|
400 |
379 |
40,8 |
1310 |
940 |
|
68,0 |
|
|
|
420 |
397 |
42 ,7 |
1380 |
|
|
|
|
|
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