 |
 |
| |
 |
Tabela de Equivalência de Dureza para Aços
Baseado na norma SAE J-417b |
|
|
|
|
Dureza Vickers | Dureza Brinell |
Dureza Rockwell |
Dureza Rockwell |
|
Dureza Brinell |
Carga de 3000 kg esfera de 10mm |
Superficial |
Resistência a tração |
|
Esfera de aço | Esfera de tungstênio |
Escala A |
Escala B |
Escala C |
Escala 15N |
Escala 30N |
Escala 45N |
Dureza shore |
KSI |
Kg/mm2 |
940
|
-
|
-
|
85.6
|
-
|
68
|
93.2
|
84.4
|
75.4
|
97
|
-
|
-
|
920
|
-
|
-
|
85.3
|
-
|
67.5
|
93
|
84
|
74.8
|
96
|
-
|
-
|
900
|
-
|
-
|
85
|
-
|
67
|
92.9
|
83.6
|
74.2
|
95
|
-
|
-
|
880
|
-
|
-
|
84.7
|
-
|
66.4
|
92.7
|
83.1
|
73.6
|
93
|
-
|
-
|
860
|
-
|
-
|
84.4
|
-
|
65.9
|
92.5
|
82.7
|
73.1
|
92
|
-
|
-
|
840
|
-
|
-
|
84.1
|
-
|
65.3
|
92.3
|
82.2
|
72.2
|
91
|
-
|
-
|
820
|
-
|
-
|
83.8
|
-
|
64.7
|
92.1
|
81.7
|
71.8
|
90
|
-
|
-
|
800
|
-
|
-
|
83.4
|
-
|
64
|
91.8
|
81.1
|
71
|
88
|
-
|
-
|
780
|
-
|
-
|
83
|
-
|
63.3
|
91.5
|
80.4
|
70.2
|
87
|
-
|
-
|
760
|
-
|
-
|
82.6
|
-
|
62.5
|
91.2
|
79.7
|
69.4
|
86
|
-
|
-
|
740
|
-
|
-
|
82.2
|
-
|
61.8
|
91
|
79.1
|
68.6
|
84
|
-
|
-
|
720
|
-
|
-
|
81.8
|
-
|
61
|
90.7
|
78.4
|
67.7
|
83
|
-
|
-
|
| 700
|
-
|
615
|
81.3
|
-
|
60.1 |
90.3
|
77.6
|
66.7
|
81
|
-
|
-
|
| 690
|
-
|
610
|
81.1
|
-
|
59.7
|
90.1
|
77.2
|
66.2
|
-
|
-
|
-
|
680
|
-
|
603
|
80.8
|
-
|
59.2
|
89.8
|
76.8
|
65.7
|
80
|
-
|
-
|
670
|
-
|
597
|
80.6
|
-
|
58.8
|
89.7
|
76.4
|
65.3
|
-
|
-
|
-
|
660
|
-
|
590
|
80.3
|
-
|
58.3
|
89.5
|
75.9
|
64.7
|
79
|
-
|
-
|
650
|
-
|
585
|
80
|
-
|
57.8
|
89.2
|
75.5
|
64.1
|
-
|
-
|
-
|
640
|
-
|
578
|
79.8
|
-
|
57.3
|
89
|
75.1
|
63.5
|
77
|
-
|
-
|
630
|
-
|
571
|
79.5
|
-
|
56.8
|
88.8
|
74.6
|
63
|
-
|
-
|
-
|
620
|
-
|
564
|
79.2
|
-
|
56.3
|
88.5
|
74.2
|
62.4
|
75
|
-
|
-
|
610
|
-
|
557
|
78.9
|
-
|
55.7
|
88.2
|
73.6
|
61.7
|
-
|
-
|
-
|
600
|
-
|
550
|
78.6
|
-
|
55.2
|
88
|
73.2
|
61.2
|
74
|
-
|
-
|
590
|
- |
535
|
78.4 |
- |
54.7
|
87.8 |
72.7
|
60.5
|
-
|
298
|
209.5
|
580
|
-
|
535
|
78
|
-
|
54.1
|
87.5
|
72.1
|
59.9
|
72
|
293
|
206
|
570
|
-
|
527
|
77.8
|
-
|
53.6
|
87.2
|
71.7
|
59.3
|
-
|
288
|
202.5
|
560
|
-
|
519
|
77.4
|
-
|
53
|
86.9
|
71.2
|
58.6
|
71
|
283
|
199
|
550
|
505
|
512
|
77
|
-
|
52.3
|
86.6
|
70.5
|
57.8
|
-
|
276
|
194
|
540
|
496
|
503
|
76.7
|
-
|
51.7
|
86.3
|
70
|
57
|
69
|
270
|
189.8
|
530
|
488
|
495
|
76.4
|
-
|
51.1
|
86
|
69.5
|
56.2
|
-
|
265
|
186.3
|
520
|
480
|
487
|
76.1
|
-
|
50.5
|
85.7
|
69
|
55.6
|
67
|
260
|
182.8
|
510
|
473
|
479
|
75.7
|
-
|
49.8
|
85.4
|
68.3
|
54.7
|
-
|
254
|
178.6
|
500
|
465
|
471
|
75.3
|
-
|
49.1
|
85
|
67.7
|
53.9
|
66
|
247
|
173.7
|
490
|
456
|
460
|
74.9
|
-
|
48.4
|
84.7
|
67.1
|
53.1
|
-
|
241
|
169.4
|
480
|
448
|
452
|
74.5
|
-
|
47.7
|
84.3
|
66.4
|
52.2
|
64
|
235
|
165.2
|
470
|
441
|
442
|
74.1
|
-
|
46.9
|
83.9
|
65.7
|
51.30
|
-
|
228
|
160.3
|
460
|
433
|
433
|
73.6
|
-
|
46.1
|
83.6
|
64.9
|
50.4
|
62
|
222
|
156.1
|
450
|
425
|
425
|
73.3
|
-
|
45.3
|
83.2
|
64.3
|
49.4
|
-
|
217
|
152.6
|
440
|
415
|
415
|
72.8
|
-
|
44.5
|
82.8
|
63.5
|
48.4
|
59
|
212
|
149.1
|
430
|
405
|
405
|
72.3
|
-
|
43.6
|
82.3
|
62.7
|
47.4
|
-
|
205
|
144.1
|
420
|
397
|
397
|
71.8
|
-
|
42.7
|
81.8
|
61.9
|
46.4
|
57
|
199
|
139.9
|
410
|
388
|
388
|
71.4
|
-
|
41.8
|
81.4
|
61.1
|
45.3
|
-
|
193
|
135.7
|
400
|
379
|
379
|
70.8
|
-
|
40.8
|
81
|
60.2
|
44.1
|
55
|
187
|
131.5
|
390
|
369
|
369
|
70.3
|
-
|
39.8
|
80.3
|
59.3
|
42.9
|
-
|
180
|
126.6
|
380
|
360
|
360
|
69.8
|
(110)
|
38.8
|
79.8
|
58.4
|
41.7
|
52
|
175
|
123
|
370
|
350
|
350
|
69.2
|
-
|
37.7
|
79.2
|
57.4
|
40.4
|
-
|
170
|
119.5
|
360
|
341
|
341
|
68.7
|
(109)
|
36.6
|
78.6
|
56.4
|
39.1
|
50
|
164
|
115.3
|
350
|
331
|
331
|
68.1
|
-
|
35.5
|
78
|
55.4
|
37.8
|
-
|
159
|
111.8
|
340
|
322
|
322
|
67.6
|
(108)
|
34.4
|
77.4
|
54.4
|
36.5
|
47
|
155
|
109
|
330
|
313
|
313
|
67
|
-
|
33.3
|
76.8
|
53.6
|
35.2
|
-
|
150
|
105.5
|
320
|
303
|
303
|
66.4
|
(107)
|
32.2
|
76.2
|
52.3
|
33.9
|
45
|
146
|
102.6
|
310
|
294
|
294
|
65.8
|
-
|
31
|
75.6
|
51.3
|
32.5
|
-
|
142
|
99.8
|
300
|
284
|
284
|
65.2
|
(105.5)
|
29.8
|
74.9
|
50.2
|
31.1
|
42
|
138
|
97
|
295
|
280
|
280
|
64.8
|
-
|
29.2
|
74.6
|
49.7
|
30.4
|
-
|
136
|
95.6
|
290
|
275
|
275
|
64.5
|
(104.5)
|
28.5
|
74.2
|
49
|
29.5
|
41
|
133
|
93.5
|
285
|
270
|
270
|
64.2
|
-
|
27.8
|
73.8
|
48.4
|
28.7
|
-
|
131
|
92.1
|
280
|
265
|
265
|
63.8
|
(103.5)
|
27.1
|
73.4
|
47.8
|
27.9
|
40
|
129
|
90.7
|
275
|
261
|
261
|
63.5
|
-
|
26.4
|
73
|
47.2
|
27.1
|
-
|
127
|
89.3
|
270
|
256
|
256
|
63.1
|
(102)
|
25.6
|
72.6
|
46.4
|
26.2
|
38
|
124
|
87.2
|
265
|
252
|
252
|
62.7
|
-
|
24.8
|
72.1
|
45.7
|
25.2
|
-
|
122
|
85.8
|
260
|
247
|
247
|
62.4
|
(101)
|
24
|
71.6
|
45
|
24.3
|
37
|
120
|
84.4
|
255
|
243
|
243
|
62
|
-
|
23.1
|
71.1
|
44.2
|
23.2
|
-
|
117
|
82.3
|
250
|
238
|
238
|
61.6
|
99.5
|
22.2
|
70.6
|
43.4
|
22.2
|
36
|
115
|
80.9
|
245
|
233
|
233
|
61.2
|
-
|
21.3
|
70.1
|
42.5
|
21.1
|
-
|
113
|
79.4
|
240
|
228
|
228
|
60.7
|
98.1
|
20.3
|
69.3
|
41.7
|
19.9
|
34
|
111
|
78
|
230
|
219
|
219
|
-
|
96.7
|
(18)
|
-
|
-
|
-
|
33
|
106
|
74.5
|
220
|
209
|
209
|
-
|
95
|
(15.7)
|
-
|
-
|
-
|
32
|
101
|
71
|
210
|
200
|
200
|
-
|
93.4
|
(13.4)
|
-
|
-
|
-
|
30
|
97
|
68.2
|
200
|
190
|
190
|
-
|
91.5
|
(11)
|
-
|
-
|
-
|
29
|
92
|
64.7
|
190
|
181
|
181
|
-
|
89.5
|
(8.5)
|
-
|
-
|
-
|
28
|
88
|
61.9
|
180
|
171
|
171
|
-
|
87.1
|
(6)
|
-
|
-
|
-
|
26
|
84
|
59.1
|
170
|
162
|
-
|
-
|
85
|
(3)
|
-
|
-
|
-
|
25
|
79
|
55.5
|
160
|
152
|
-
|
-
|
81.7
|
(0)
|
-
|
-
|
-
|
24
|
75
|
52.7
|
150
|
143
|
-
|
-
|
78.7
|
-
|
-
|
-
|
-
|
22
|
71
|
49.9
|
140
|
133
|
-
|
-
|
75
|
-
|
-
|
-
|
-
|
21
|
66
|
46.4
|
|
 |
 |
 |
 |
Os valores entre parênteses devem ser considerados como valores de referência, sendo que os mesmos estão fora da escala normal.
Fonte: Metaltech
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