硬度换算器
按 SAE J417 / ASTM E140 在 HRC、HV、HB 之间换算(钢材),并给出近似抗拉强度。
完整换算表(钢材)
| HRC | HV | HB | Rm ≈ (MPa) |
|---|---|---|---|
| 68 | 940 | — | — |
| 67 | 900 | — | — |
| 66 | 865 | — | — |
| 65 | 832 | 739 | — |
| 64 | 800 | 722 | — |
| 63 | 772 | 705 | — |
| 62 | 746 | 688 | — |
| 61 | 720 | 670 | — |
| 60 | 697 | 654 | — |
| 59 | 674 | 634 | — |
| 58 | 653 | 615 | — |
| 57 | 633 | 595 | — |
| 56 | 613 | 577 | — |
| 55 | 595 | 560 | 2075 |
| 54 | 577 | 543 | 2015 |
| 53 | 560 | 525 | 1950 |
| 52 | 544 | 512 | 1880 |
| 51 | 528 | 496 | 1820 |
| 50 | 513 | 481 | 1760 |
| 49 | 498 | 469 | 1695 |
| 48 | 484 | 455 | 1635 |
| 47 | 471 | 443 | 1580 |
| 46 | 458 | 432 | 1530 |
| 45 | 446 | 421 | 1480 |
| 44 | 434 | 409 | 1435 |
| 43 | 423 | 400 | 1385 |
| 42 | 412 | 390 | 1340 |
| 41 | 402 | 381 | 1295 |
| 40 | 392 | 371 | 1250 |
| 39 | 382 | 362 | 1215 |
| 38 | 372 | 353 | 1180 |
| 37 | 363 | 344 | 1160 |
| 36 | 354 | 336 | 1115 |
| 35 | 345 | 327 | 1080 |
| 34 | 336 | 319 | 1055 |
| 33 | 327 | 311 | 1025 |
| 32 | 318 | 301 | 1000 |
| 31 | 310 | 294 | 980 |
| 30 | 302 | 286 | 950 |
| 29 | 294 | 279 | 930 |
| 28 | 286 | 271 | 910 |
| 27 | 279 | 264 | 880 |
| 26 | 272 | 258 | 860 |
| 25 | 266 | 253 | 840 |
| 24 | 260 | 247 | 825 |
| 23 | 254 | 243 | 805 |
| 22 | 248 | 237 | 785 |
| 21 | 243 | 231 | 770 |
| 20 | 238 | 226 | 760 |
| — | 230 | 219 | 730 |
| — | 222 | 212 | 705 |
| — | 213 | 203 | 675 |
| — | 204 | 194 | 650 |
| — | 196 | 187 | 620 |
| — | 188 | 179 | 600 |
| — | 180 | 171 | 580 |
| — | 173 | 165 | 550 |
| — | 166 | 158 | 530 |
| — | 160 | 152 | 515 |
