金属材料硬度换算表
此硬度换算表是根据 GB/T 33362-2016
钢材洛氏标度硬度的近似换算值
| 洛氏C标度硬度(3) | 维氏硬度 | 布氏硬度 10mm球 负载3000kgf |
洛氏硬度(3) | 洛氏表面硬度 金刚石圆锥压头 |
肖氏硬度 | 抗拉强度 (近似值) MPa (kgf/mm2)(2) |
洛氏 硬度C(3) |
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| 标准球 | 碳化钨球 | A标度负载 60kgf 金刚石圆锥压头 |
B标度负载 100kgf 直径1.6mm (1/16in)球 |
D标度负载 100kgf 金刚石圆锥压头 |
15-N 标度 负载 15kgf |
30-N 标度 负载 30kgf |
45-N 标度 负载 45kgf |
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| HRC | HV | HBS | HBW | HRA | HRB | HRD | HR15N | HR30N | HR45N | HS | − | HRC |
| 68 | 940 | − | − | 85.6 | − | 76.9 | 93.2 | 84.4 | 75.4 | 97 | − | 68 |
| 67 | 900 | − | − | 85.0 | − | 76.1 | 92.9 | 83.6 | 74.2 | 95 | − | 67 |
| 66 | 865 | − | − | 84.5 | − | 75.4 | 92.5 | 82.8 | 73.3 | 92 | − | 66 |
| 65 | 832 | − | (739) | 83.9 | − | 74.5 | 92.2 | 81.9 | 72.0 | 91 | − | 65 |
| 64 | 800 | − | (722) | 83.4 | − | 73.8 | 91.8 | 81.1 | 71.0 | 88 | − | 64 |
| 63 | 772 | − | (705) | 82.8 | − | 73.0 | 91.4 | 80.1 | 69 9 | 87 | − | 63 |
| 62 | 746 | − | (688) | 82.3 | − | 72.2 | 91.1 | 79.3 | 68.8 | 85 | − | 62 |
| 61 | 720 | − | (670) | 81.8 | − | 71.5 | 90.7 | 78.4 | 67.7 | 83 | − | 61 |
| 60 | 697 | − | (654) | 81.2 | − | 70.7 | 90.2 | 77.5 | 66.6 | 81 | − | 60 |
| 59 | 674 | − | (634) | 80.7 | − | 69.9 | 89.8 | 76.6 | 65.5 | 80 | − | 59 |
| 58 | 653 | − | 615 | 80.1 | − | 69.2 | 89.3 | 75.7 | 64.3 | 78 | − | 58 |
| 57 | 633 | − | 595 | 79.6 | − | 68.5 | 88.9 | 74.8 | 63.2 | 76 | − | 57 |
| 56 | 613 | − | 577 | 79.0 | − | 67.7 | 88.3 | 73.9 | 62.0 | 75 | − | 56 |
| 55 | 595 | − | 560 | 78.5 | − | 66.9 | 87.9 | 73.0 | 60.9 | 74 | 2075(212) | 55 |
| 54 | 577 | − | 543 | 78.0 | − | 66.1 | 87.4 | 72.0 | 59.8 | 72 | 2015(205) | 54 |
| 53 | 560 | − | 525 | 77.4 | − | 65.4 | 86.9 | 71.2 | 58.6 | 71 | 1950(199) | 53 |
| 52 | 544 | (500) | 512 | 76.8 | − | 64.6 | 86.4 | 70.2 | 57.4 | 69 | 1880(192) | 52 |
| 51 | 528 | (487) | 496 | 76.3 | − | 63.8 | 85.9 | 69.4 | 56.1 | 68 | 1820(186) | 51 |
| 50 | 513 | (475) | 481 | 75.9 | − | 63.1 | 85.5 | 68.5 | 55.0 | 67 | 1760(179) | 50 |
| 49 | 498 | (464) | 469 | 75.2 | − | 62.1 | 85.0 | 67.6 | 53.8 | 66 | 1695(173) | 49 |
| 48 | 484 | 451 | 455 | 74.7 | − | 61.4 | 84.5 | 66.7 | 52.5 | 64 | 1635(167) | 48 |
| 47 | 471 | 442 | 443 | 74.1 | − | 60.8 | 83.9 | 65.8 | 51.4 | 63 | 1580(161) | 47 |
| 46 | 458 | 432 | 432 | 73.6 | − | 60.0 | 83.5 | 64.8 | 50.3 | 62 | 1530(156) | 46 |
| 45 | 446 | 421 | 421 | 73.1 | − | 59.2 | 83.0 | 64.0 | 49.0 | 60 | 1480(151) | 45 |
| 44 | 434 | 409 | 409 | 72.5 | − | 58.5 | 82.5 | 63.1 | 47.8 | 58 | 1435(146) | 44 |
| 43 | 423 | 400 | 400 | 72.0 | − | 57.7 | 82.0 | 62.2 | 46.7 | 57 | 1385(141) | 43 |
| 42 | 412 | 390 | 390 | 71.5 | − | 56.9 | 81.5 | 61.3 | 45.5 | 56 | 1340(136) | 42 |
| 41 | 402 | 381 | 381 | 70.9 | − | 56.2 | 80.9 | 60.4 | 44.3 | 55 | 1295(132) | 41 |
| 40 | 392 | 371 | 371 | 70.4 | − | 55.4 | 80.4 | 59.5 | 43.1 | 54 | 1250(127) | 40 |
| 39 | 382 | 362 | 362 | 69.9 | − | 54.6 | 79.9 | 58.6 | 41.9 | 52 | 1215(124) | 39 |
| 38 | 372 | 353 | 353 | 69.4 | − | 53.8 | 79.4 | 57.7 | 40.8 | 51 | 1180(120) | 38 |
| 37 | 363 | 344 | 344 | 68.9 | − | 53.1 | 78.8 | 56.8 | 39.6 | 50 | 1160(118) | 37 |
| 36 | 354 | 336 | 336 | 68.4 | (109.0) | 52.3 | 78.3 | 55.9 | 38.4 | 49 | 1115(114) | 36 |
| 35 | 345 | 327 | 327 | 67.9 | (108.5) | 51.5 | 77.7 | 55.0 | 37.2 | 48 | 1080(110) | 35 |
| 34 | 336 | 319 | 319 | 67.4 | (108.0) | 50.8 | 77.2 | 54.2 | 36.1 | 47 | 1055(108) | 34 |
| 33 | 327 | 311 | 311 | 66.8 | (107.5) | 50.0 | 76.6 | 53.3 | 34.9 | 46 | 1025(105) | 33 |
| 32 | 318 | 301 | 301 | 66.3 | (107.0) | 49.2 | 76.1 | 52.1 | 33.7 | 44 | 1000(102) | 32 |
| 31 | 310 | 294 | 294 | 65.8 | (106.0) | 48.4 | 75.6 | 51.3 | 32.7 | 43 | 980(100) | 31 |
| 30 | 302 | 286 | 286 | 65.3 | (105.5) | 47.7 | 75.0 | 50.4 | 31.3 | 42 | 950 (97) | 30 |
| 29 | 294 | 279 | 279 | 64.7 | (104.5) | 47.0 | 74.5 | 49.5 | 30.1 | 41 | 930 (95) | 29 |
| 28 | 286 | 271 | 271 | 64.3 | (104.0) | 46.1 | 73.9 | 48.6 | 28.9 | 41 | 910 (93) | 28 |
| 27 | 279 | 264 | 264 | 63.8 | (103.0) | 45.2 | 73.3 | 47.7 | 27.8 | 40 | 880 (90) | 27 |
| 26 | 272 | 258 | 258 | 63.3 | (102.5) | 44.6 | 72.8 | 46.8 | 26.7 | 38 | 860 (88) | 26 |
| 25 | 266 | 253 | 253 | 62.8 | (101.5) | 43.8 | 72.2 | 45.9 | 25.5 | 38 | 840 (86) | 25 |
| 24 | 260 | 247 | 247 | 62.4 | (101.0) | 43.1 | 71.6 | 45.0 | 24.3 | 37 | 825 (84) | 24 |
| 23 | 254 | 243 | 243 | 62.0 | 100.0 | 42.1 | 71.0 | 44.0 | 23.1 | 36 | 805 (82) | 23 |
| 22 | 248 | 237 | 237 | 61.5 | 99.0 | 41.6 | 70.5 | 43.2 | 22.0 | 35 | 785 (80) | 22 |
| 21 | 243 | 231 | 231 | 61.0 | 98.5 | 40.9 | 69.9 | 42.3 | 20.7 | 35 | 770 (79) | 21 |
| 20 | 238 | 226 | 226 | 60.5 | 97.8 | 40.1 | 69.4 | 41.5 | 19.6 | 34 | 760 (77) | 20 |
| (18) | 230 | 219 | 219 | − | 96.7 | − | − | − | − | 33 | 730 (75) | (18) |
| (16) | 222 | 212 | 212 | − | 95.5 | − | − | − | − | 32 | 705 (72) | (16) |
| (14) | 213 | 203 | 203 | − | 93.9 | − | − | − | − | 31 | 675 (69) | (14) |
| (12) | 204 | 194 | 194 | − | 92.3 | − | − | − | − | 29 | 650 (66) | (12) |
| (10) | 196 | 187 | 187 | − | 90.7 | − | − | − | − | 28 | 620 (63) | (10) |
| (8) | 188 | 179 | 179 | − | 89.5 | − | − | − | − | 27 | 600 (61) | (8) |
| (6) | 180 | 171 | 171 | − | 87.1 | − | − | − | − | 26 | 580 (59) | (6) |
| (4) | 173 | 165 | 165 | − | 85.5 | − | − | − | − | 25 | 550 (56) | (4) |
| (2) | 166 | 158 | 158 | − | 83.5 | − | − | − | − | 24 | 530 (54) | (2) |
| (0) | 160 | 152 | 152 | − | 81.7 | − | − | − | − | 24 | 515 (53) | (0) |
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