| HARDNESS CONVERSION TABLE HB-HRC-Rm | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| HB | HV | HRC | HRB | Rm | HB | HV | HRC | HRB | Rm |
| 124 | - | - | 71 | 420 | 232 | 244.8 | 21.1 | 100 | 765 |
| 126 | - | - | 72 | 430 | 236 | 249 | 21.9 | - | 770 |
| 128 | - | - | 73 | - | 240 | 253.2 | 22.6 | 101 | 780 |
| 130 | - | - | - | 440 | 244 | 257.4 | 23.4 | 102 | 800 |
| 132 | - | - | 74 | 450 | 248 | 261.6 | 24 | - | 810 |
| 134 | - | - | 75 | - | 252 | 265.9 | 24.7 | 103 | 820 |
| 136 | - | - | 76 | 460 | 256 | 270.1 | 25.4 | - | 830 |
| 138 | - | - | - | - | 260 | 274.3 | 26.1 | 104 | 850 |
| 140 | - | - | 77 | 470 | 264 | 278.5 | 26.8 | - | 860 |
| 142 | - | - | 78 | 480 | 268 | 282.7 | 27.4 | 105 | 880 |
| 144 | - | - | - | - | 272 | 287 | 27.9 | - | 890 |
| 146 | - | - | 79 | 490 | 276 | 291.2 | 28.6 | 106 | 900 |
| 148 | - | - | 80 | 500 | 280 | 295.4 | 29.1 | - | 910 |
| 150 | - | - | 81 | - | 284 | 299.6 | 29.6 | 107 | 930 |
| 152 | - | - | - | 510 | 288 | 303.8 | 30.2 | - | 940 |
| 154 | - | - | 82 | 520 | 292 | 308.1 | 30.7 | - | 950 |
| 156 | - | - | - | - | 296 | 312.3 | 31.3 | 108 | 970 |
| 158 | - | - | 83 | 530 | 300 | 316.5 | 31.8 | - | 980 |
| 160 | - | - | - | 540 | 304 | 320.7 | 32.3 | - | 990 |
| 162 | - | - | 84 | - | 308 | 324.9 | 32.8 | 109 | 1010 |
| 164 | - | - | - | 550 | 312 | 329.2 | 33.3 | - | 1020 |
| 166 | - | - | 85 | 560 | 316 | 333.4 | 33.8 | - | 1030 |
| 168 | - | - | - | - | 320 | 337.6 | 34.3 | 110 | 1050 |
| 170 | - | - | 86 | 570 | 324 | 341.8 | 34.7 | - | 1060 |
| 172 | - | - | - | - | 328 | 346 | 35.1 | - | 1070 |
| 174 | - | - | 87 | 580 | 332 | 350.3 | 35.6 | - | 1090 |
| 176 | 185.7 | - | - | 590 | 336 | 354.5 | 36.1 | - | 1100 |
| 178 | 187.8 | - | 88 | - | 340 | 358.7 | 35.5 | - | 1120 |
| 180 | 189.9 | - | - | 600 | 344 | 362.9 | 36.9 | - | 1130 |
| 182 | 192 | - | 89 | 610 | 348 | 367.1 | 37.3 | - | 1140 |
| 184 | 194.1 | - | - | - | 352 | 371.4 | 37.7 | - | 1160 |
| 186 | 196.2 | - | 90 | 620 | 356 | 375.6 | 38.1 | - | 1170 |
| 188 | 198.3 | - | - | 630 | 360 | 379.8 | 38.5 | - | 1190 |
| 190 | 200.5 | - | 91 | - | 364 | 384 | 38.9 | - | 1200 |
| 192 | 202.6 | - | - | 640 | 368 | 388.2 | 39.2 | - | 1210 |
| 194 | 204.7 | - | 92 | 650 | 372 | 392.5 | 39.6 | - | 1230 |
| 196 | 206.8 | - | - | - | 376 | 396.7 | 39.9 | - | 1240 |
| 198 | 208.9 | - | 93 | 660 | 380 | 400.9 | 40.4 | - | 1260 |
| 200 | 211 | - | - | - | 384 | 405.1 | 40.7 | - | 1270 |
| 202 | 213.1 | - | 94 | 670 | 388 | 409.3 | 41.1 | - | 1280 |
| 204 | 215.2 | - | - | 680 | 392 | 413.6 | 41.4 | - | 1290 |
| 206 | 217.3 | 15 | - | - | 396 | 417.8 | 41.8 | - | 1310 |
| 208 | 219.4 | 15.4 | 95 | 690 | 400 | 422 | 42.1 | - | 1320 |
| 210 | 221.6 | 15.9 | - | 700 | 404 | 426.2 | 42.5 | - | 1330 |
| 212 | 223.7 | 16.4 | 96 | - | 408 | 430.4 | 42.8 | - | 1350 |
| 214 | 225.8 | 16.9 | - | 710 | 412 | 434.7 | 43.2 | - | 1370 |
| 216 | 227.9 | 17.6 | - | 720 | 416 | 438.9 | 43.6 | - | 1380 |
| 218 | 230 | 18.1 | 97 | - | 420 | 443.1 | 43.9 | - | 1390 |
| 220 | 232.1 | 18.5 | - | 730 | 424 | 447.3 | 44.2 | - | 1410 |
| 222 | 234.2 | 19 | 98 | - | 428 | 451.5 | 44.5 | - | 1430 |
| 224 | 236.3 | 19.4 | - | 740 | 432 | 455.8 | 44.9 | - | 1440 |
| 226 | 238.4 | 19.8 | - | 750 | 436 | 460 | 45.2 | - | 1460 |
| 228 | 240.5 | 20.3 | 99 | - | 440 | 464.2 | 45.5 | - | 1470 |
| 230 | 242.7 | 20.7 | - | 760 | 444 | 468.4 | 45.8 | - | 1490 |