|
|
Tabela de Conversão
de Durezas |
| Dureza Rockwell "C" |
Dureza Brinell |
Dureza Vickers |
Dureza Rockwell "A" |
Dureza Rockwell "B" |
Dureza Rockwell "D" |
Dureza Shore |
| HRC |
HB |
HV |
HRA |
HRB |
HRD |
HS |
| 68 |
--- |
940 |
85,6 |
--- |
76,9 |
97 |
| 67 |
--- |
900 |
85,0 |
--- |
76,1 |
95 |
| 66 |
--- |
865 |
84,5 |
--- |
75,4 |
92 |
| 65 |
739 |
832 |
83,9 |
--- |
74,5 |
91 |
| 64 |
722 |
800 |
83,4 |
--- |
73,8 |
88 |
| 63 |
705 |
772 |
82,8 |
--- |
73,0 |
87 |
| 62 |
688 |
746 |
82,3 |
--- |
72,2 |
85 |
| 61 |
670 |
720 |
81,8 |
--- |
71,5 |
83 |
| 60 |
654 |
697 |
81,2 |
--- |
70,7 |
81 |
| 59 |
634 |
674 |
80,7 |
--- |
69,9 |
80 |
| 58 |
615 |
653 |
80,1 |
--- |
69,2 |
78 |
| 57 |
595 |
633 |
79,6 |
--- |
68,5 |
76 |
| 56 |
577 |
613 |
79,0 |
--- |
67,7 |
75 |
| 55 |
560 |
595 |
78,5 |
--- |
66,9 |
74 |
| 54 |
543 |
577 |
78,0 |
--- |
66,1 |
72 |
| 53 |
525 |
560 |
77,4 |
--- |
65,4 |
71 |
| 52 |
512 |
544 |
76,8 |
--- |
64,6 |
69 |
| 51 |
496 |
528 |
76,3 |
--- |
63,8 |
68 |
| 50 |
481 |
513 |
75,9 |
--- |
63,1 |
67 |
| 49 |
469 |
498 |
75,2 |
--- |
62,1 |
66 |
| 48 |
455 |
484 |
74,7 |
--- |
61,4 |
64 |
| 47 |
443 |
471 |
74,1 |
--- |
60,8 |
63 |
| 46 |
432 |
458 |
73,6 |
--- |
60,0 |
62 |
| 45 |
421 |
446 |
73,1 |
--- |
59,2 |
60 |
| 44 |
409 |
434 |
72,5 |
--- |
58,5 |
58 |
| 43 |
400 |
423 |
72,2 |
--- |
57,7 |
57 |
| 42 |
390 |
412 |
71,5 |
--- |
56,9 |
56 |
| 41 |
381 |
402 |
70,9 |
--- |
56,2 |
55 |
| 40 |
371 |
392 |
70,4 |
--- |
55,4 |
54 |
| 39 |
362 |
382 |
69,9 |
--- |
54,6 |
52 |
| 38 |
353 |
372 |
69,4 |
--- |
53,8 |
51 |
| 37 |
344 |
363 |
68,9 |
--- |
53,1 |
50 |
| 36 |
336 |
354 |
68,4 |
(109,0) |
52,3 |
49 |
| 35 |
327 |
345 |
67,9 |
(108,5) |
51,5 |
48 |
| 34 |
319 |
336 |
67,4 |
(108,0) |
50,8 |
47 |
| 33 |
311 |
327 |
66,8 |
(107,5) |
50,0 |
46 |
| 32 |
301 |
318 |
66,3 |
(107,0) |
49,2 |
44 |
| 31 |
294 |
310 |
65,8 |
(106,0) |
48,4 |
43 |
| 30 |
286 |
302 |
65,3 |
(105,5) |
47,7 |
42 |
| 29 |
279 |
294 |
64,7 |
(104,5) |
47,0 |
41 |
| 28 |
271 |
286 |
64,3 |
(104,0) |
46,1 |
41 |
| 27 |
264 |
279 |
63,8 |
(103,0) |
45,2 |
40 |
| 26 |
258 |
272 |
63,3 |
(102,5) |
44,6 |
38 |
| 25 |
253 |
266 |
62,8 |
(101,5) |
43,8 |
38 |
| 24 |
247 |
260 |
62,4 |
(101,0) |
43,1 |
37 |
| 23 |
243 |
254 |
62,0 |
100,0 |
42,1 |
36 |
| 22 |
237 |
248 |
61,5 |
99,0 |
41,6 |
35 |
| 21 |
236 |
243 |
61,0 |
98,5 |
40,9 |
35 |
| 20 |
236 |
238 |
60,5 |
97,8 |
40,1 |
34 |
| (18) |
219 |
230 |
--- |
96,7 |
--- |
33 |
| (16) |
212 |
222 |
--- |
95,5 |
--- |
32 |
| (14) |
203 |
213 |
--- |
93,9 |
--- |
31 |
| (12) |
194 |
204 |
--- |
92,3 |
--- |
29 |
| (10) |
187 |
196 |
--- |
90,7 |
--- |
28 |
| (8) |
179 |
188 |
--- |
89,5 |
--- |
27 |
| (6) |
171 |
180 |
--- |
87,1 |
--- |
26 |
| (4) |
165 |
173 |
--- |
85,5 |
--- |
25 |
| (2) |
158 |
160 |
--- |
83,5 |
--- |
24 |
| (0) |
152 |
160 |
--- |
81,7 |
--- |
24 |
OBS: Os valores são apenas para comparação