|
Correspondance des duretés des aciers recuits |
 |
|
Écrit par ConcepTEC.net
|
Chiffres de dureté pour des aciers à l'Etat naturel ou recuit
-
|
Résitance en N/mm²
|
Dureté
Brinell
HB
|
Dureté
Vickers
HV
|
Rockwell B
HRB
|
Rockewell C
HRC
|
Dureté
Shore
|
|
300
|
84.6
|
|
|
|
|
|
320
|
90.3
|
|
|
|
|
|
340
|
85.5
|
|
53
|
|
|
|
360
|
101
|
|
58
|
|
|
|
380
|
107
|
|
63
|
|
|
|
400
|
113
|
|
66
|
|
|
|
420
|
118
|
|
69
|
|
|
|
440
|
124
|
|
71.5
|
|
|
|
460
|
129
|
|
73.5
|
|
|
|
480
|
135
|
|
75.5
|
|
|
|
500
|
141
|
|
77.5
|
|
|
|
520
|
146
|
|
79.5
|
|
|
|
540
|
152
|
|
81
|
|
|
|
560
|
158
|
|
83
|
|
|
|
580
|
163
|
|
84.5
|
|
|
|
600
|
169
|
173
|
86
|
|
|
|
620
|
174
|
178
|
87.5
|
|
|
|
650
|
183
|
187
|
89.5
|
|
30
|
|
670
|
188
|
192
|
91
|
|
31
|
|
690
|
194
|
197
|
92
|
|
32
|
|
710
|
199
|
203
|
93.5
|
|
33
|
|
740
|
208
|
210
|
95.5
|
15.5
|
34
|
|
765
|
215
|
218
|
96.5
|
17.5
|
35
|
|
790
|
223
|
225
|
98
|
19
|
36
|
|
820
|
231
|
233
|
99
|
21
|
37
|
|
845
|
237
|
239
|
100.5
|
22.3
|
38
|
|
870
|
245
|
247
|
103
|
|
39
|
|
880
|
248
|
249
|
|
24
|
|
|
895
|
252
|
253
|
|
|
40
|
|
900
|
253
|
254
|
103
|
25
|
|
|
920
|
259
|
260
|
104
|
26
|
41
|
|
945
|
267
|
267
|
104.8
|
27
|
42
|
|
970
|
274
|
274
|
105.8
|
28
|
43
|
|
990
|
278
|
279
|
|
29
|
|
|
1000
|
282
|
282
|
|
|
44
|
|
1020
|
287
|
287
|
107.3
|
30
|
|
|
1030
|
290
|
290
|
107.5
|
|
45
|
|
1040
|
293
|
293
|
|
31
|
|
|
1050
|
295
|
295
|
108
|
|
46
|
|
1070
|
300
|
300
|
|
32
|
|
|
1080
|
303
|
303
|
108.9
|
|
47
|
|
1100
|
309
|
309
|
|
33
|
|
|
1110
|
312
|
312
|
109.5
|
|
48
|
|
1130
|
318
|
318
|
|
34
|
|
|
1140
|
320
|
320
|
110
|
|
49
|
|
1160
|
325
|
325
|
|
35
|
|
|
1170
|
327
|
327
|
110.5
|
|
50
|
|
1190
|
333
|
333
|
|
36
|
|
|
1200
|
337
|
337
|
111
|
|
51
|
|
1230
|
343
|
343
|
111.6
|
37
|
52
|
|
1260
|
352
|
352
|
112
|
38
|
53
|
|
1290
|
361
|
361
|
114.4
|
38.8
|
54
|
|
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