维氏硬度 | 布氏硬度 | 洛氏硬度 | ||
- | 荷载 3000 公斤 | B 级硬度标 | C 级硬度标 | D 级硬度标 |
940 | - | - | 68.0 | 76.9 |
920 | - | - | 67.5 | 76.5 |
900 | - | - | 67.0 | 76.1 |
880 | (767) | - | 66.4 | 75.7 |
860 | (757) | - | 65.9 | 75.3 |
840 | (745) | - | 65.3 | 74.8 |
820 | (733) | - | 64.7 | 74.3 |
800 | (722) | - | 64.0 | 73.8 |
780 | (710) | - | 63.3 | 73.3 |
760 | (698) | - | 62.5 | 72.6 |
740 | (684) | - | 61.8 | 72.1 |
720 | (670) | - | 61.0 | 71.5 |
700 | (656) | - | 60.1 | 70.8 |
690 | (647) | - | 59.7 | 70.5 |
680 | (638) | - | 59.2 | 70.1 |
670 | (630) | - | 58.8 | 69.8 |
660 | 620 | - | 58.3 | 69.4 |
650 | 611 | - | 57.8 | 69.0 |
640 | 601 | - | 57.3 | 68.7 |
630 | 591 | - | 56.8 | 68.3 |
620 | 582 | - | 56.3 | 67.9 |
610 | 573 | - | 55.7 | 67.5 |
600 | 564 | - | 55.2 | 67.0 |
590 | 554 | - | 54.7 | 66.7 |
580 | 545 | - | 54.1 | 66.2 |
570 | 535 | - | 53.6 | 65.8 |
560 | 525 | - | 53.0 | 65.4 |
550 | 517 | - | 52.3 | 64.8 |
540 | 507 | - | 51.7 | 64.4 |
530 | 497 | - | 51.1 | 63.9 |
520 | 488 | - | 50.5 | 63.5 |
510 | 479 | - | 49.8 | 62.9 |
500 | 471 | - | 49.1 | 62.2 |
490 | 460 | - | 48.4 | 61.6 |
480 | 452 | - | 47.7 | 61.3 |
470 | 442 | - | 46.9 | 60.7 |
460 | 433 | - | 46.1 | 60.1 |
450 | 425 | - | 45.3 | 59.4 |
440 | 415 | - | 44.5 | 58.8 |
430 | 405 | - | 43.6 | 58.2 |
420 | 397 | - | 42.7 | 57.5 |
410 | 388 | - | 41.8 | 56.8 |
400 | 379 | - | 40.8 | 56.0 |
390 | 369 | - | 39.8 | 55.2 |
380 | 360 | (110.0) | 38.8 | 54.4 |
370 | 350 | - | 37.7 | 53.6 |
360 | 341 | (109.0) | 36.6 | 52.8 |
350 | 331 | - | 35.5 | 51.9 |
340 | 322 | (108.0) | 34.4 | 51.1 |
330 | 313 | - | 33.3 | 50.2 |
320 | 303 | (107.0) | 32.2 | 49.4 |
310 | 294 | - | 31.0 | 48.4 |
300 | 284 | (105.0) | 29.8 | 47.5 |
295 | 280 | - | 29.2 | 47.1 |
290 | 275 | (104.5) | 28.5 | 46.5 |
285 | 270 | - | 27.8 | 46.0 |
280 | 265 | (103.5) | 27.1 | 45.3 |
275 | 261 | - | 26.4 | 44.9 |
270 | 256 | (102.0) | 25.6 | 44.3 |
265 | 252 | - | 24.8 | 43.7 |
260 | 247 | (101.0) | 24.0 | 43.1 |
255 | 243 | - | 23.1 | 42.2 |
250 | 238 | 99.5 | 22.2 | 41.7 |
245 | 233 | - | 21.3 | 41.1 |
240 | 228 | 98.1 | 20.3 | 40.3 |
230 | 219 | 96.7 | (18.0) | - |
220 | 209 | 95.0 | (15.7) | - |
210 | 200 | 93.4 | (13.4) | - |
200 | 190 | 91.5 | (11.0) | - |
190 | 181 | 89.5 | (8.5) | - |
180 | 171 | 87.1 | (6.0) | - |
170 | 162 | 85.0 | (3.0) | - |
160 | 152 | 81.7 | (0.0) | - |
150 | 143 | 78.7 | - | - |
140 | 133 | 75.0 | - | - |
130 | 124 | 71.2 | - | - |
120 | 114 | 66.7 | - | - |
110 | 105 | 62.3 | - | - |
100 | 95 | 56.2 | - | - |
95 | 90 | 52.0 | - | - |
90 | 86 | 48.0 | - | - |
85 | 81 | 41.0 | - | - |