BRINELL |
RESIT. (kg/mm2) |
ROCKWELL |
SHORE |
VICKERS |
|||
Impt. mm carga
3000
Est.
|
DUREZA BH |
AÇO CARB. BH x 0,36 |
C Rc |
B Rb |
A Ra |
HF |
HV |
2.35
|
682
|
245.5
|
64
|
-
|
82.2
|
91
|
685
|
2.40
|
653
|
235.1
|
62
|
-
|
81.2
|
87
|
820
|
2.45
|
627
|
225.7
|
60
|
-
|
80.5
|
84
|
765
|
2.50
|
601
|
216.4
|
58
|
-
|
80.2
|
81
|
717
|
2.55
|
578
|
208.1
|
57
|
-
|
79.4
|
78
|
675
|
2.60
|
555
|
100.8
|
55
|
120
|
78.6
|
75
|
633
|
2.65
|
534
|
192.2
|
53
|
119
|
77.9
|
72
|
598
|
2.70
|
514
|
185.0
|
52
|
119
|
77.0
|
70
|
567
|
2.75
|
495
|
178.2
|
50
|
117
|
76.5
|
67
|
540
|
2.80
|
477
|
171.7
|
49
|
117
|
75.7
|
65
|
515
|
2.85
|
461
|
166.0
|
47
|
116
|
75.0
|
63
|
494
|
2.90
|
444
|
159.8
|
46
|
115
|
74.2
|
61
|
472
|
2.95
|
429
|
154.4
|
45
|
115
|
73.4
|
59
|
454
|
3.00
|
415
|
149.4
|
44
|
114
|
72.8
|
57
|
437
|
3.05
|
401
|
144.4
|
42
|
113
|
72.0
|
55
|
420
|
3.10
|
388
|
139.7
|
41
|
112
|
71.4
|
54
|
404
|
3.15
|
375
|
135.0
|
40
|
112
|
70.6
|
52
|
389
|
3.20
|
363
|
130.7
|
38
|
110
|
70.0
|
51
|
375
|
3.25
|
352
|
126.7
|
37
|
110
|
69.3
|
49
|
363
|
3.30
|
341
|
122.8
|
36
|
109
|
68.7
|
48
|
350
|
3.35
|
331
|
119.2
|
35
|
109
|
68.1
|
46
|
339
|
3.40
|
321
|
115.6
|
34
|
108
|
67.5
|
45
|
327
|
3.45
|
311
|
112.0
|
33
|
108
|
66.9
|
44
|
316
|
3.50
|
302
|
108.7
|
32
|
107
|
66.3
|
43
|
305
|
3.55
|
293
|
105.5
|
31
|
106
|
65.7
|
42
|
296
|
3.60
|
285
|
102.6
|
30
|
105
|
65.3
|
40
|
287
|
3.65
|
277
|
99.7
|
29
|
104
|
64.6
|
39
|
279
|
3.70
|
269
|
96.9
|
28
|
104
|
64.1
|
38
|
270
|
3.75
|
262
|
94.3
|
26
|
103
|
63.6
|
37
|
263
|
3.80
|
255
|
91.8
|
25
|
102
|
63.0
|
37
|
256
|
3.85
|
248
|
89.3
|
24
|
102
|
62.5
|
36
|
248
|
3.90
|
241
|
86.8
|
23
|
100
|
61.8
|
35
|
241
|
3.95
|
235
|
84.6
|
22
|
99
|
61.4
|
34
|
235
|
4.00
|
229
|
82.4
|
21
|
98
|
60.8
|
33
|
229
|
4.05
|
223
|
80.3
|
20
|
97
|
-
|
32
|
223
|
4.10
|
217
|
78.1
|
18
|
96
|
-
|
31
|
217
|
4.15
|
212
|
76.3
|
17
|
96
|
-
|
31
|
212
|
4.20
|
207
|
74.5
|
16
|
95
|
-
|
30
|
207
|
4.25
|
202
|
72.7
|
15
|
94
|
-
|
30
|
202
|
4.30
|
197
|
70.9
|
13
|
93
|
-
|
29
|
197
|
4.35
|
192
|
69.1
|
12
|
92
|
-
|
28
|
192
|
4.40
|
187
|
67.3
|
10
|
91
|
-
|
28
|
187
|
4.45
|
183
|
65.9
|
9
|
90
|
-
|
27
|
183
|
4.50
|
179
|
64.4
|
8
|
89
|
-
|
27
|
179
|
4.55
|
174
|
62.6
|
7
|
88
|
-
|
26
|
174
|
4.60
|
170
|
61.2
|
6
|
87
|
-
|
26
|
170
|
4.65
|
166
|
59.8
|
4
|
86
|
-
|
25
|
166
|
4.70
|
163
|
58.7
|
3
|
85
|
-
|
25
|
163
|
4.75
|
159
|
57.2
|
2
|
84
|
-
|
24
|
159
|
4.80
|
156
|
56.2
|
1
|
83
|
-
|
24
|
156
|
4.85
|
153
|
55.1
|
-
|
82
|
-
|
23
|
153
|
4.90
|
149
|
53.6
|
-
|
81
|
-
|
23
|
149
|
4.95
|
146
|
52.6
|
-
|
80
|
-
|
22
|
146
|
5.00
|
143
|
51.5
|
-
|
79
|
-
|
22
|
143
|
5.05
|
140
|
50.4
|
-
|
78
|
-
|
21
|
140
|
5.10
|
137
|
49.3
|
-
|
77
|
-
|
21
|
137
|
5.15
|
134
|
48.2
|
-
|
76
|
-
|
21
|
134
|
5.20
|
131
|
47.2
|
-
|
74
|
-
|
20
|
131
|
5.25
|
128
|
46.1
|
-
|
73
|
-
|
20
|
128
|
5.30
|
128
|
45.4
|
-
|
72
|
-
|
-
|
126
|
5.35
|
124
|
44.6
|
-
|
71
|
-
|
-
|
124
|
5.40
|
121
|
43.6
|
-
|
70
|
-
|
-
|
121
|
5.45
|
118
|
42.5
|
-
|
69
|
-
|
-
|
118
|
5.50
|
116
|
41.8
|
-
|
68
|
-
|
-
|
116
|
5.55
|
114
|
41.0
|
-
|
67
|
-
|
-
|
114
|
5.60
|
112
|
40.3
|
-
|
66
|
-
|
-
|
112
|