設計研發
Design and Development
硬度值對照表--鋼鐵
| HV | HRA | HRB | HRC | HRD | 15N | 30N | 45N | HB | HS |
|---|---|---|---|---|---|---|---|---|---|
| 940 | 85.6 | - | 68.0 | 76.9 | 93.2 | 84.4 | 75.4 | - | 98.0 |
| 920 | 85.3 | - | 67.5 | 76.5 | 93.0 | 84.0 | 74.3 | - | 96.8 |
| 900 | 85.0 | - | 67.0 | 76.1 | 92.9 | 83.6 | 74.2 | - | 95.6 |
| 880 | 84.7 | - | 66.4 | 75.7 | 92.7 | 83.1 | 73.6 | - | 94.3 |
| 860 | 84.4 | - | 65.9 | 75.3 | 92.5 | 82.7 | 73.1 | - | 93.1 |
| 840 | 84.1 | - | 65.3 | 74.8 | 92.3 | 82.2 | 72.2 | - | 91.7 |
| 820 | 83.8 | - | 64.7 | 74.3 | 92.1 | 81.7 | 71.8 | 733 | 90.4 |
| 800 | 83.4 | - | 64.0 | 73.8 | 91.8 | 81.1 | 71.0 | 722 | 89.0 |
| 780 | 83.0 | - | 63.3 | 73.3 | 91.5 | 80.4 | 70.2 | 710 | 87.6 |
| 760 | 82.6 | - | 62.5 | 72.6 | 91.2 | 79.7 | 69.4 | 697 | 86.2 |
| 740 | 82.2 | - | 61.8 | 72.1 | 91.0 | 79.1 | 68.6 | 684 | 84.8 |
| 720 | 81.8 | - | 61.0 | 71.5 | 90.7 | 78.4 | 67.7 | 670 | 83.3 |
| 700 | 81.3 | - | 60.1 | 70.8 | 90.3 | 77.6 | 66.7 | 656 | 81.8 |
| 690 | 81.1 | - | 59.7 | 70.5 | 90.1 | 77.2 | 66.2 | 648 | 81.0 |
| 680 | 80.8 | - | 59.2 | 70.1 | 89.8 | 76.8 | 65.7 | 639 | 80.2 |
| 670 | 80.6 | - | 58.8 | 69.8 | 89.7 | 76.4 | 65.3 | 630 | 79.4 |
| 660 | 80.3 | - | 58.3 | 69.4 | 89.5 | 75.9 | 64.7 | 621 | 78.6 |
| 650 | 80.0 | - | 57.8 | 69.0 | 89.2 | 75.5 | 64.1 | 612 | 77.8 |
| 640 | 79.8 | - | 57.3 | 68.7 | 89.0 | 75.1 | 63.5 | 602 | 77.0 |
| 630 | 79.5 | - | 56.8 | 68.3 | 88.8 | 74.6 | 63.0 | 592 | 76.2 |
| 620 | 79.2 | - | 56.3 | 67.9 | 88.5 | 74.2 | 62.4 | 583 | 75.4 |
| 610 | 78.9 | - | 55.7 | 67.5 | 88.2 | 73.6 | 61.7 | 574 | 74.5 |
| 600 | 78.6 | - | 55.2 | 67.0 | 88.0 | 73.2 | 61.2 | 565 | 73.7 |
| 590 | 78.4 | - | 54.7 | 66.7 | 87.8 | 72.7 | 60.5 | 555 | 72.8 |
| 580 | 78.0 | - | 54.1 | 66.2 | 87.5 | 72.1 | 59.5 | 546 | 72.0 |
| 570 | 77.8 | - | 53.6 | 65.8 | 87.2 | 71.7 | 59.3 | 536 | 71.1 |
| 560 | 77.4 | - | 53.0 | 65.4 | 86.9 | 71.2 | 58.6 | 525 | 70.2 |
| 550 | 77.0 | - | 52.3 | 64.8 | 86.6 | 70.5 | 57.8 | 517 | 69.3 |
| 540 | 76.7 | - | 51.7 | 64.4 | 86.3 | 70.0 | 57.0 | 508 | 68.4 |
| 530 | 76.4 | - | 51.1 | 63.9 | 86.0 | 69.5 | 56.2 | 498 | 67.5 |
| 520 | 76.1 | - | 50.5 | 63.5 | 85.7 | 69.0 | 55.6 | 488 | 66.6 |
| 510 | 75.7 | - | 49.8 | 62.9 | 85.4 | 68.3 | 54.7 | 479 | 65.6 |
| 500 | 75.3 | - | 49.1 | 62.2 | 85.0 | 67.7 | 53.9 | 470 | 64.7 |
| 490 | 74.9 | - | 48.4 | 61.6 | 84.7 | 67.1 | 53.1 | 461 | 63.7 |
| 480 | 74.5 | - | 47.7 | 61.3 | 84.3 | 66.4 | 52.2 | 451 | 62.8 |
| 470 | 74.1 | - | 46.9 | 60.7 | 83.9 | 65.7 | 51.3 | 442 | 61.8 |
| 460 | 73.6 | - | 46.1 | 60.1 | 83.6 | 64.9 | 50.4 | 434 | 60.8 |
| 450 | 73.3 | - | 45.3 | 59.4 | 83.2 | 64.3 | 49.4 | 425 | 59.8 |
| 440 | 72.8 | - | 44.5 | 58.8 | 82.8 | 63.5 | 48.4 | 415 | 58.8 |
| 430 | 72.3 | - | 43.6 | 58.2 | 82.3 | 62.7 | 47.4 | 405 | 57.8 |
| 420 | 71.8 | - | 42.7 | 57.5 | 81.8 | 61.9 | 46.4 | 397 | 56.7 |
| 410 | 71.4 | - | 41.8 | 56.8 | 81.4 | 61.1 | 45.3 | 388 | 55.7 |
| 400 | 70.8 | - | 40.8 | 56.0 | 81.0 | 60.2 | 44.1 | 379 | 54.6 |
| 390 | 70.3 | - | 39.8 | 55.2 | 80.3 | 59.3 | 42.9 | 369 | 53.6 |
| 380 | 69.8 | 110.0 | 38.8 | 54.4 | 79.8 | 58.4 | 41.7 | 360 | 52.5 |
| 370 | 69.2 | - | 37.7 | 53.6 | 79.2 | 57.4 | 40.4 | 350 | 51.4 |
| 360 | 68.7 | 109.0 | 36.6 | 52.8 | 78.6 | 56.4 | 39.1 | 341 | 50.3 |
| 350 | 68.1 | - | 35.5 | 51.9 | 78.0 | 55.4 | 37.8 | 331 | 49.2 |
| 340 | 67.6 | 108.0 | 34.4 | 51.1 | 77.4 | 54.4 | 36.5 | 322 | 48.1 |