中国国家标准硬度单位换算表 GB/T1172-1999
- 2015/9/26
- 来源：广泰精密仪器
- 5431人阅读
| 依照中国国家标准 GB/T1172-1999 |
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| 洛氏 |
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| 表面洛氏 |
| 维氏 | 布氏（F/D2=30） | 抗拉强度 |
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| HRC | HRA | HRD※ | HR15N | HR30N | HR45N | HV | HBS | HBW | бb（碳钢） |
| 68 | 85.5 | 76.9 |
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| 909 |
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| 67 | 85 | 76.1 |
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| 879 |
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| 66 | 84.4 | 75.4 |
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| 850 |
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| 65 | 83.9 | 74.5 | 92.2 | 81.3 | 71.1 | 822 |
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| 64 | 83.3 | 73.8 | 91.9 | 80.6 | 70.6 | 795 |
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| 63 | 82.8 | 73 | 91.7 | 79.8 | 69.5 | 770 |
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| 62 | 82.2 | 72.2 | 91.4 | 79 | 68.4 | 745 |
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| 61 | 81.7 | 71.5 | 91 | 78.1 | 67.3 | 721 |
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| 60 | 81.2 | 70.7 | 90.6 | 77.3 | 66.2 | 698 |
| 647 |
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| 59 | 80.6 | 69.9 | 90.2 | 76.5 | 65.1 | 676 |
| 639 |
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| 58 | 80.1 | 69.2 | 89.8 | 75.6 | 63.9 | 655 |
| 628 |
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| 57 | 79.5 | 68.5 | 89.4 | 74.8 | 62.8 | 635 |
| 616 |
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| 56 | 79 | 67.7 | 88.9 | 73.9 | 61.7 | 615 |
| 601 |
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| 55 | 78.5 | 66.9 | 88.4 | 73.1 | 60.5 | 596 |
| 585 |
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| 54 | 77.9 | 66.1 | 87.9 | 72.2 | 59.4 | 578 |
| 569 |
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| 53 | 77.4 | 65.4 | 87.4 | 71.3 | 58.2 | 561 |
| 552 |
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| 52 | 76.9 | 64.6 | 86.8 | 70.4 | 57.1 | 544 |
| 535 |
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| 51 | 76.3 | 63.8 | 86.3 | 69.5 | 55.9 | 527 |
| 518 |
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| 50 | 75.8 | 63.1 | 85.7 | 68.6 | 54.7 | 512 |
| 502 | 1710 |
| 49 | 75.3 | 62.1 | 85.2 | 67.7 | 53.6 | 497 |
| 486 | 1653 |
| 48 | 74.7 | 61.4 | 84.6 | 66.8 | 52.4 | 482 |
| 470 | 1600 |
| 47 | 74.2 | 60.8 | 84 | 65.9 | 51.2 | 468 | 449 | 455 | 1550 |
| 46 | 73.7 | 60 | 83.5 | 65 | 50.1 | 454 | 436 | 441 | 1503 |
| 45 | 73.2 | 59.2 | 82.9 | 64.1 | 48.9 | 441 | 424 | 428 | 1459 |
| 44 | 72.6 | 58.5 | 82.3 | 63.2 | 47.7 | 428 | 413 | 415 | 1417 |
| 43 | 72.1 | 57.7 | 81.7 | 62.3 | 46.5 | 416 | 401 | 403 | 1378 |
| 42 | 71.6 | 56.9 | 81.1 | 61.3 | 45.4 | 404 | 391 | 392 | 1340 |
| 41 | 71.1 | 56.2 | 80.5 | 60.4 | 44.2 | 393 | 380 | 381 | 1305 |
| 40 | 70.5 | 55.4 | 79.9 | 59.5 | 43 | 381 | 370 | 370 | 1271 |
| 39 | 70 | 54.6 | 79.3 | 58.6 | 41.8 | 371 | 360 |
| 1238 |
| 38 | 69.5 | 53.8 | 78.7 | 57.6 | 40.6 | 360 | 350 |
| 1207 |
| 37 | 69 | 53.1 | 78.1 | 56.7 | 39.4 | 350 | 341 |
| 1177 |
| 36 | 68.4 | 52.3 | 77.5 | 55.8 | 38.2 | 340 | 332 |
| 1147 |
| 35 | 67.9 | 51.5 | 77 | 54.8 | 37 | 331 | 323 |
| 1119 |
| 34 | 67.4 | 50.8 | 76.4 | 53.9 | 35.9 | 321 | 314 |
| 1092 |
| 33 | 66.9 | 50 | 75.8 | 53 | 34.7 | 313 | 306 |
| 1065 |
| 32 | 66.4 | 49.2 | 75.2 | 52 | 33.5 | 304 | 298 |
| 1039 |
| 31 | 65.8 | 48.4 | 74.7 | 51.1 | 32.3 | 296 | 291 |
| 1014 |
| 30 | 65.3 | 47.7 | 74.1 | 50.2 | 31.1 | 288 | 283 |
| 989 |
| 29 | 64.8 | 47 | 73.5 | 49.2 | 29.9 | 280 | 276 |
| 965 |
| 28 | 64.3 | 46.1 | 73 | 48.3 | 28.7 | 273 | 269 |
| 942 |
| 27 | 63.8 | 45.2 | 72.4 | 47.3 | 27.5 | 266 | 263 |
| 919 |
| 26 | 63.3 | 44.6 | 71.9 | 46.4 | 26.3 | 259 | 257 |
| 897 |
| 25 | 62.8 | 43.8 | 71.4 | 45.5 | 25.1 | 253 | 251 |
| 875 |
| 24 | 62.2 | 43.1 | 70.8 | 44.5 | 23.9 | 247 | 245 |
| 854 |
| 23 | 61.7 | 42.1 | 70.3 | 43.6 | 22.7 | 241 | 240 |
| 833 |
| 22 | 61.2 | 41.6 | 69.8 | 42.6 | 21.5 | 235 | 234 |
| 813 |
| 21 | 60.7 | 40.9 | 69.3 | 41.7 | 20.4 | 230 | 229 |
| 793 |
| 20 | 60.2 | 40.1 | 68.8 | 40.7 | 19.2 | 226 | 225 |
| 774 |