Tableau de conversion de dureté pour traitement thermique
Tableau de conversion de dureté pour traitement thermique
| Vickers | Rockwell | Rockwell Superficial | Shore | Vickers | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| HV | HB | HRA | HRB | HRC | HRD | 15-N | 30-N | 45-N | HS | |
| 940 | / | 85.6 | / | 68 | 76.9 | 93.2 | 84.4 | 75.4 | 98 | 940 |
| 920 | / | 85.3 | / | 67.5 | 76.5 | 93 | 84 | 74.3 | 96.8 | 920 |
| 900 | / | 85 | / | 67 | 76.1 | 92.9 | 83.6 | 74.2 | 95.6 | 900 |
| 880 | / | 84.7 | / | 66.4 | 75.7 | 92.7 | 83.1 | 73.6 | 94.3 | 880 |
| 860 | / | 84.4 | / | 65.9 | 75.3 | 92.5 | 82.7 | 73.1 | 93.1 | 860 |
| 840 | / | 84.1 | / | 65.3 | 74.8 | 92.3 | 82.2 | 72.2 | 91.7 | 840 |
| 820 | / | 83.8 | / | 64.7 | 74.3 | 92.1 | 81.7 | 71.8 | 90.4 | 820 |
| 800 | / | 83.4 | / | 64 | 73.8 | 91.8 | 81.1 | 71 | 89 | 800 |
| 780 | / | 83 | / | 63.3 | 73.3 | 91.5 | 80.4 | 70.2 | 87.6 | 780 |
| 760 | / | 82.6 | / | 62.5 | 72.6 | 91.2 | 79.7 | 69.4 | 86.2 | 760 |
| 740 | / | 82.2 | / | 61.8 | 72.1 | 91 | 79.1 | 68.6 | 84.8 | 740 |
| 720 | / | 81.8 | / | 61 | 71.5 | 90.7 | 78.4 | 67.7 | 83.3 | 720 |
| 700 | / | 81.3 | / | 60.1 | 70.8 | 90.3 | 77.6 | 66.7 | 81.8 | 700 |
| 690 | / | 81.1 | / | 59.7 | 70.5 | 90.1 | 77.2 | 66.2 | 81 | 690 |
| 680 | / | 80.8 | / | 59.2 | 70.1 | 89.8 | 76.8 | 65.7 | 80.2 | 680 |
| 670 | / | 80.6 | / | 58.8 | 69.8 | 89.7 | 76.4 | 65.3 | 79.4 | 670 |
| 660 | / | 80.3 | / | 58.3 | 69.4 | 89.5 | 75.9 | 64.7 | 78.6 | 660 |
| 650 | / | 80 | / | 57.8 | 69 | 89.2 | 75.5 | 64.1 | 77.8 | 650 |
| 640 | / | 79.8 | / | 57.3 | 68.7 | 89 | 75.1 | 63.5 | 77 | 640 |
| 630 | / | 79.5 | / | 56.8 | 68.3 | 88.8 | 74.6 | 63 | 76.2 | 630 |
| 620 | / | 79.2 | / | 56.3 | 67.9 | 88.5 | 74.2 | 62.4 | 75.4 | 620 |
| 610 | / | 78.9 | / | 55.7 | 67.5 | 88.2 | 73.6 | 61.7 | 74.5 | 610 |
| 600 | / | 78.6 | / | 55.2 | 67 | 88 | 73.2 | 61.2 | 73.7 | 600 |
| 590 | / | 78.4 | / | 54.7 | 66.7 | 87.8 | 72.7 | 60.5 | 72.8 | 590 |
| 580 | / | 78 | / | 54.1 | 66.2 | 87.5 | 72.1 | 59.9 | 72 | 580 |
| 570 | / | 77.8 | / | 53.6 | 65.8 | 87.2 | 71.7 | 59.3 | 71.1 | 570 |
| 560 | / | 77.4 | / | 53 | 65.4 | 86.9 | 71.2 | 58.6 | 70.2 | 560 |
| 550 | 517 | 77 | / | 52.3 | 64.8 | 86.6 | 70.5 | 57.8 | 69.3 | 550 |
| 540 | 508 | 76.7 | / | 51.7 | 64.4 | 86.3 | 70 | 57 | 68.4 | 540 |
| 530 | 498 | 76.4 | / | 51.1 | 63.9 | 86 | 69.5 | 56.2 | 67.5 | 530 |
| 520 | 488 | 76.1 | / | 50.5 | 63.5 | 85.7 | 69 | 55.6 | 66.6 | 520 |
| 510 | 479 | 75.7 | / | 49.8 | 62.9 | 85.4 | 68.3 | 54.7 | 65.6 | 510 |
| 500 | 470 | 75.3 | / | 49.1 | 62.2 | 85 | 67.7 | 53.9 | 64.7 | 500 |
| 490 | 461 | 74.9 | / | 48.4 | 61.6 | 84.7 | 67.1 | 53.1 | 63.7 | 490 |
| 480 | 451 | 74.5 | / | 47.7 | 61.3 | 84.3 | 66.4 | 52.2 | 62.8 | 480 |
| 470 | 442 | 74.1 | / | 46.9 | 60.7 | 83.9 | 65.7 | 51.3 | 61.8 | 470 |
| 460 | 434 | 73.6 | / | 46.1 | 60.1 | 83.6 | 64.9 | 50.4 | 60.8 | 460 |
| 450 | 425 | 73.3 | / | 45.3 | 59.4 | 83.2 | 64.3 | 49.4 | 59.8 | 450 |
| 440 | 415 | 72.8 | / | 44.5 | 58.8 | 82.8 | 63.5 | 48.4 | 58.8 | 440 |
| 430 | 405 | 72.3 | / | 43.6 | 58.2 | 82.3 | 62.7 | 47.4 | 57.8 | 430 |
| 420 | 397 | 71.8 | / | 42.7 | 57.5 | 81.8 | 61.9 | 46.4 | 56.7 | 420 |
| 410 | 388 | 71.4 | / | 41.8 | 56.8 | 81.4 | 61.1 | 45.3 | 55.7 | 410 |
| 400 | 379 | 70.8 | / | 40.8 | 56 | 81 | 60.2 | 44.1 | 54.6 | 400 |
| 390 | 369 | 70.3 | / | 39.8 | 55.2 | 80.3 | 59.3 | 42.9 | 53.6 | 390 |
| 380 | 360 | 69.8 | 110 | 38.8 | 54.4 | 79.8 | 58.4 | 41.7 | 52.5 | 380 |
| 370 | 350 | 69.2 | / | 37.7 | 53.6 | 79.2 | 57.4 | 40.4 | 51.4 | 370 |
| 360 | 341 | 68.7 | 109 | 36.6 | 52.8 | 78.6 | 56.4 | 39.1 | 50.3 | 360 |
| 350 | 331 | 68.1 | / | 35.5 | 51.9 | 78 | 55.4 | 37.8 | 49.2 | 350 |
| 340 | 322 | 67.6 | 108 | 34.4 | 51.1 | 77.4 | 54.4 | 36.5 | 48.1 | 340 |
| 330 | 313 | 67 | / | 33.3 | 50.2 | 76.8 | 53.6 | 35.2 | 46.9 | 330 |
| 320 | 303 | 66.4 | 107 | 32.2 | 49.4 | 76.3 | 52.3 | 33.9 | 45.7 | 320 |
| 310 | 294 | 65.8 | / | 31 | 48.4 | 75.6 | 51.3 | 32.5 | 44.6 | 310 |
| 300 | 284 | 65.2 | 105.5 | 29.8 | 47.5 | 74.9 | 50.2 | 31.1 | 43.4 | 300 |
| 295 | 280 | 64.8 | / | 29.2 | 47.1 | 74.6 | 49.7 | 30.4 | 42.8 | 295 |
| 290 | 275 | 64.5 | 104.5 | 28.5 | 46.5 | 74.2 | 49 | 29.5 | 42.2 | 290 |
| 285 | 270 | 64.2 | / | 27.8 | 46 | 73.8 | 48.4 | 28.7 | 41.6 | 285 |
| 280 | 265 | 63.8 | 103.5 | 27.1 | 45.3 | 73.4 | 47.8 | 27.9 | 41 | 280 |
| 275 | 261 | 63.5 | / | 26.4 | 44.9 | 73 | 47.2 | 27.1 | 40.4 | 275 |
| 270 | 256 | 63.1 | 102 | 25.6 | 44.3 | 72.6 | 46.4 | 26.2 | 39.7 | 270 |
| 265 | 252 | 62.7 | / | 24.8 | 43.7 | 72.1 | 45.7 | 25.2 | 39.1 | 265 |
| 260 | 247 | 62.4 | 101 | 24 | 43.1 | 71.6 | 45 | 24.3 | 38.5 | 260 |
| 255 | 243 | 62 | / | 23.1 | 42.2 | 71.1 | 44.2 | 23.2 | 37.9 | 255 |
| 250 | 238 | 61.6 | 99.5 | 22.2 | 41.7 | 70.6 | 43.4 | 22.2 | 37.2 | 250 |
| 245 | 233 | 61.2 | / | 21.3 | 41.1 | 70.1 | 42.5 | 21.1 | 36.6 | 245 |
| 240 | 228 | 60.7 | 98.1 | 20.3 | 40.3 | 69.6 | 41.7 | 19.9 | 36 | 240 |
| 230 | 219 | / | 96.7 | 18 | / | / | / | / | 34.7 | 230 |
| 220 | 209 | / | 95 | 15.7 | / | / | / | / | 33.4 | 220 |
| 210 | 200 | / | 93.4 | 13.4 | / | / | / | / | 32 | 210 |
| 200 | 190 | / | 91.5 | 11 | / | / | / | / | 30.7 | 200 |
| 190 | 181 | / | 89.5 | 8.5 | / | / | / | / | 29.4 | 190 |
| 180 | 171 | / | 87.1 | 6 | / | / | / | / | 28 | 180 |
| 170 | 162 | / | 85 | 3 | / | / | / | / | 26.6 | 170 |
| 160 | 152 | / | 81.7 | 0 | / | / | / | / | 25.2 | 160 |
| 150 | 143 | / | 78.7 | / | / | / | / | / | 23.8 | 150 |
| 140 | 133 | / | 75 | / | / | / | / | / | 22.3 | 140 |
| 130 | 124 | / | 71.2 | / | / | / | / | / | 20.8 | 130 |
| 120 | 114 | / | 66.7 | / | / | / | / | / | 19.1 | 120 |
| 110 | 105 | / | 62.3 | / | / | / | / | / | 17.6 | 110 |
| 100 | 95 | / | 58.2 | / | / | / | / | / | 16.1 | 100 |