Таблица за преобразуване на твърдостта

Издръжливост на опън Твърдост по Бринел Твърдост по Викерс Твърдост по Рокуел
N/mm2 kp/mm2 (kgf/mm2) d(mm) HB HV HRB HRC
200 20.4 7.32 60 63
210 21.4 7.22 62 65
220 22.4 7.04 66 69
225 22.9 6.99 67 70
230 23.5 6.95 68 72
240 24.5 6.82 71 75
250 25.5 6.67 75 79
255 26 6.63 76 80
260 26.5 6.56 78 82
270 27.6 6.45 81 85 41
280 28.6 6.35 84 88 45
285 29.1 6.28 86 86 48
285 30.6 3 4 5
290 29.6 6.25 87 91 49
300 30.6 6.19 89 94 94
305 31.1 6.16 90 95 52
310 31.6 6.10 92 97 54
320 32.6 6.01 95 100 56
330 33.7 5.93 98 103 58
335 34.2 5.87 100 105 59
340 34.7 5.83 102 107 60
350 35.7 5.75 105 110 62
360 36.7 5.70 107 113 63.5
370 37.7 5.66 109 115 64
380 38.7 5.57 113 119 66
385 39.3 5.54 114 120 67
390 39.8 5.50 116 122 67.5
400 40.8 5.44 119 125 69
410 41.8 5.38 122 128 70
415 42.3 5.33 124 130 71
420 42.8 5.32 125 132 72
430 43.8 5.26 128 135 73
440 44.9 5.20 131 138 74
450 45.9 5.17 133 140 75
460 46.9 5.11 136 143 76.5
465 47.4 5.08 138 145 77
470 47.9 5.05 140 147 77.5
480 48.9 5.00 143 150 78.5
490 50 4.96 145 153 79.55
495 50.5 4.93 147 155 80
500 51 4.90 149 157 81
510 52 4.86 152 160 81.5
520 53 4.81 155 163 82.5
530 54 4.78 157 165 83
540 55.1 4.74 160 168 84.5
545 55.6 4.71 162 170 85
550 56.1 4.70 163 172 85.5
560 57.1 4.66 166 175 86
570 58.1 4.62 169 178 86.5
575 58.6 4.59 171 180 87
580 59.1 4.58 172 181
590 60.2 4.54 175 184 88 88
595 60.7 4.53 176 185
600 61.2 4.51 178 187 89
610 62.2 4.47 181 190 89.5
620 63.2 4.44 184 193 90
625 63.7 4.40 187 197 91
630 64.2 4.40 187 197 91
640 65.3 4.37 190 200 91.5
650 66.3 4.34 193 203 92
660 67.3 4.32 195 205 92.5
670 68.3 4.29 198 208 93
675 68.8 4.27 199 210 93.5
680 69.3 4.25 201 212
690 70.4 4.22 204 215 94
700 71.4 4.19 208 219
705 71.9 4.18 209 220 95
710 72.4 4.16 211 222 95.5
720 73.4 4.13 214 225 96
730 74.4 4.11 216 228
740 75.5 4.08 219 230 96.5
750 76.5 4.07 221 233 97
755 77 4.05 223 235
760 77.5 4.03 225 237 97.5
770 78.5 4.01 228 240 98
780 79.5 3.98 231 243 21
785 80 3.97 233 245
790 80.6 3.95 235 247 99
800 81.6 3.93 238 250 99.5 22
810 82.6 3.91 240 253
820 83.6 3.89 242 242 255 23
830 84.6 3.87 245 258
835 85.1 3.85 247 260 24
840 85.7 3.84 3.84 262
850 86.7 3.82 252 265
860 87.7 3.80 255 268 25
870 88.7 3.77 258 272 26
880 89.7 3.76 261 275
890 90.8 3.74 264 278
900 91.8 3.72 266 280 27
915 93.3 3.69 271 285
920 93.8 3.68 273 287 28
930 94.8 3.66 276 290
940 95.9 3.64 278 293 29
950 96.9 3.63 280 295
960 97.9 3.61 284 299
965 98.4 3.60 300 30
970 98.9 3.59 287 302
980 99.9 3.57 290 305
990 100.9 3.55 293 308
995 101.5 3.54 295 310 31
1000 102 3.53 296 311
1010 103 3.52 299 314
1000 102 3.53 296 311
1010 103 3.52 299 314
1020 105 3.50 301 317 32
1030 105 3.49 304 320
1040 106.1 3.47 307 323 32
1050 107.1 3.45 311 327 33
1060 108.1 3.44 314 330
1070 109.1 3.43 316 333
1080 110.1 3.41 319 336 34
1090 111.1 3.40 322 339 32
1095 111.7 3.39 323 340
1100 112.2 3.38 328 345 35
1120 114.2 3.35 332 349
1125 114.7 3.34 333 350
1130 115.2 3.33 334 352
1140 116.2 3.32 337 355 36
1150 117.3 3.31 340 358
1155 117.8 3.30 342 360
1160 118.3 3.29 343 361
1170 119.3 3.28 346 364 37
1180 120.3 3.26 349 367
1190 121.3 3.25 352 370
1200 122.4 3.24 354 373 38
1210 123.4 3.23 357 376
1220 124.4 3.21 361 380
1230 125.4 3.20 363 382 39
1240 126.4 3.19 366 385
1250 127.5 3.18 369 388
1255 128 3.17 371 390
1260 128.5 372 392 40
1270 129.52 3.16 374 394
1280 130.5 3.14 377 397
1290 131.5 3.13 380 400
1300 132.6 3.12 383 403 41
1310 133.6 3.10 387 407
1320 134.6 3.09 390 410
1330 135.6 3.08 393 413 42
1340 136.6 3.07 393 417
1350 137.7 3.06 399 420
1360 138.7 3.05 402 423 43
1370 139.7 3.04 405 426
1380 140.7 408 429
1385 141.2 3.02 409 430
1390 141.7 410 431
1400 142.8 3.01 413 434 44
1410 143.8 3.00 415 437
1420 144.8 2.99 418 440
1430 145.8 2.98 421 443
1440 146.8 2.97 424 446 45
1450 147.9 2.96 427 449
1455 148.4 428 450
1460 148.9 2.95 429 452
1470 149.9 2.94 432 455
1480 150.9 2.93 435 458 46
1485 151.4 437 460
1490 151.9 2.92 438 461
1500 152.9 2.91 441 464
1520 155 2.89 447 470
1530 156 449 473 47
1540 157 2.88 425 476
1550 158.1 2.87 455 479
1555 158.6 (456) 480
1560 159.1 2.86 (457) 481
1570 160.1 2.85 (460) 484 48
1580 161.1 2.88 (462) 486
1590 162.1 2.84 (465) 489
1595 162.6 2.83 (466) 490
1600 163.2 (467) 491
1610 164.2 2.82 (470) 494
1620 164.2 165.2 (472) 497 49
1630 166.2 (475) 500
1640 167.2 2.80 (478) 503
1650 168.3 2.79 (481) 506
1660 169.3 (483) 509
1665 169.8 2.78 (485) 510
1670 170.3 (486) 511
1680 171.3 2.77 (488) 514 50
1690 172.3 2.76 (491) 517 50
1700 173.4 2.75 (494) 520
1710 174.4 (496) 522
1720 175.4 2.74 (499) 525
1730 176.4 (501) 527 51
1740 177.4 2.73 (504) 530
1750 178.5 2.72 (506) 533
1760 179.5 2.71 (509) 536
1770 180.5 (512) 539
1775 181 2.70 (513) 540
1780 181.5 (514) 541
1790 182.5 2.69 (517) 544 52
1800 183.5 (520) 547
1810 184.6 2.68 (523) 550
1820 185.6 2.67 (525) 553
1830 186.6 (528) 556
1840 187.6 2.66 (531) 559
1845 188.1 (532) 560 53
1850 188.6 2.65 (533) 561
1860 189.7 (536) 564
1870 190.7 2.64 (539) 567
1880 191.7 (542) 570
1890 192.7 2.63 (543) 572
1900 193.7 2.62 (546) 575
1910 194.8 (549) 578 54
1920 195.8 2.61 (551) 580
1930 196.8 2.60 (554) 583
1940 197.8 (557) 586
1950 198.8 2.59 (560) 589
1955 199.4 (561) 590
1960 199.9 (562) 591
1970 200.9 2.58 (564) 594
1980 201.9 (567) 596 55
1990 202.9 2.57 (569) 599
1995 203.4 (570) 600
2000 203.9 2.56 ((572) 602
2010 205 (575) 605
2020 206 2.55 (577) 607
2030 207 (580) 610
2040 208 2.54 (582) 613
2050 209 (584) 615 56
2060 210.1 2.53 (587) 618
2070 211.1 (589) 620
2080 212.1 2.52 (592) 623
2090 213.1 (595) 626
2100 214.1 2.51 (598) 629
2105 214.7 (599) 630
2110 215.2 (600) 631
2120 216.2 2.50 (602) 634
2130 217.2 (604) 636
2140 218.2 2.49 (607) 639 57
2150 219.2 (609) 641
2160 220.3 2.48 (612) 644
2170 221.3 2.47 (615) 647
2180 222.3 (618) 650
2190 223.3 (620) 653
2200 224.3 2.46 (622) 655 58
675 59
698 60
720 61
745 62
773 63
800 64
829 65
864 66
900 67
940 68