|
Correspondance des duretés des aciers trempés |
 |
|
Écrit par ConcepTEC.net
|
|
|
Résistance en
daN /mm2
|
Dureté
Brinell
|
Dureté
Vickers
|
Rockwell
B
|
Rockewell
C
|
Dureté
Shore
|
|
62
|
182
|
197
|
89.5
|
|
30
|
|
64
|
189
|
204
|
91
|
|
31
|
|
66
|
195
|
209
|
92.5
|
|
32
|
|
68
|
201
|
216
|
94
|
|
33
|
|
70
|
208
|
223
|
95.3
|
15.5
|
34
|
|
72.5
|
215
|
230
|
97
|
17.5
|
35
|
|
75
|
223
|
238
|
98
|
19
|
36
|
|
77.5
|
230
|
246
|
99.3
|
20.5
|
37
|
|
80
|
239
|
254
|
100.5
|
22
|
38
|
|
82
|
245
|
261
|
101.5
|
23.5
|
39
|
|
84
|
250
|
266
|
102.5
|
24.5
|
40
|
|
86
|
257
|
273
|
103.7
|
25.7
|
41
|
|
89
|
266
|
282
|
104.8
|
27
|
42
|
|
91.5
|
272
|
289
|
105.8
|
28.3
|
43
|
|
94
|
282
|
298
|
106.8
|
29.7
|
44
|
|
96
|
288
|
305
|
107.3
|
30.4
|
45
|
|
99
|
297
|
314
|
108.3
|
31.7
|
46
|
|
101
|
304
|
321
|
108.8
|
32.4
|
47
|
|
104
|
313
|
330
|
109.6
|
33.5
|
48
|
|
106.5
|
321
|
338
|
110
|
34.5
|
49
|
|
109
|
329
|
346
|
110.5
|
35.2
|
50
|
|
112
|
337
|
354
|
111
|
36
|
51
|
|
115
|
345
|
363
|
111.5
|
37
|
52
|
|
118
|
352
|
370
|
112
|
38
|
53
|
|
122
|
363
|
382
|
112.5
|
38.8
|
54
|
|
125
|
373
|
391
|
113
|
39.6
|
55
|
|
128
|
380
|
399
|
113.4
|
40.5
|
56
|
|
131
|
388
|
407
|
113.8
|
41.2
|
57
|
|
134
|
398
|
418
|
114.1
|
42
|
58
|
|
137
|
406
|
427
|
114.6
|
42.8
|
59
|
|
141
|
415
|
437
|
115
|
43.5
|
60
|
|
144
|
423
|
446
|
115.7
|
44.2
|
61
|
|
148
|
432
|
457
|
|
45
|
62
|
|
151
|
441
|
67
|
|
45.8
|
63
|
|
155
|
451
|
478
|
|
46.6
|
64
|
|
158
|
457
|
486
|
|
47.2
|
65
|
|
161
|
464
|
494
|
|
48
|
66
|
|
165
|
474
|
506
|
|
48.5
|
67
|
|
170
|
485
|
520
|
|
49.2
|
68
|
|
173
|
492
|
529
|
|
49.8
|
69
|
|
176
|
499
|
538
|
|
50.3
|
70
|
|
180
|
507
|
548
|
|
51
|
71
|
|
183
|
514
|
558
|
|
51.6
|
72
|
|
187
|
522
|
570
|
|
52.2
|
73
|
|
191
|
530
|
581
|
|
52.8
|
74
|
|
195
|
538
|
593
|
|
53.8
|
75
|
|
200
|
547
|
606
|
|
54
|
76
|
|
230
|
553
|
615
|
|
54.6
|
77
|
|
206
|
560
|
626
|
|
55
|
78
|
|
210
|
566
|
636
|
|
55.5
|
79
|
|
214
|
573
|
647
|
|
56
|
80
|
|
219
|
582
|
662
|
|
56.8
|
81
|
|
222
|
587
|
671
|
|
57.2
|
81.7
|
|
225
|
592
|
679
|
|
58
|
82.5
|
|
228
|
597
|
688
|
|
|
83
|
|
231
|
602
|
697
|
|
|
83.7
|
|
235
|
606
|
707
|
|
59
|
84.5
|
|
242
|
616
|
727
|
|
60
|
85.7
|
|
245
|
622
|
737
|
|
|
86.5
|
|
249
|
627
|
748
|
|
61
|
87.5
|
|
257
|
637
|
771
|
|
62
|
89
|
|
266
|
648
|
798
|
|
63
|
90.5
|
|
277
|
659
|
828
|
|
64
|
92
|
|
289
|
670
|
863
|
|
65
|
93.8
|
|
Matériaux 
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Internet Exprorer 7 ou +
