洛氏硬度、布氏硬度、维氏硬度对照表 洛氏硬度 HRC 洛氏硬度 HRA 布氏硬度 HB 30D2 维氏硬度 HV 近似强度 σ(MPa) 70.0 86.6 - 1037.0 - 69.5 86.3 - 1017.0 - 69.0 86.1 - 997.0 - 68.5 85.8 - 978.0 - 68.0 85.5 - 959.0 - 67.5 85.2 - 941.0 - 67.0 85 - 923.0 - 66.5 84.7 - 906.0 - 66.0 84.4 - 889.0 - 65.5 84.1 - 872.0 - 65.0 83.9 - 856.0 - 64.5 83.6 - 840.0 - 64.0 83.3 - 825.0 - 63.5 83.1 - 810.0 - 63.0 82.8 - 795.0 - 62.5 82.5 - 780.0 - 62.0 82.2 - 766.0 - 61.5 82.0 - 752.0 - 61.0 81.7 - 739.0 - 60.5 81.4 - 726.0 - 60.0 81.2 - 713.0 2607 59.5 80.9 - 700.0 2551 59.0 80.6 - 688.0 2496 58.5 80.3 - 676.0 2443 58.0 80.1 - 664.0 2391 57.5 79.8 - 653.0 2341 57.0 79.5 - 642.0 2293 56.5 79.3 - 631.0 2247 56.0 79.0 - 620.0 2201 55.5 78.7 - 609.0 2157 55.0 78.5 - 599.0 2115 54.5 78.2 - 589.0 2074 54.0 77.9 - 579.0 2034 53.5 77.7 - 570.0 1995 53.0 77.4 - 561.0 1957 52.5 77.1 551.0 1921 52.0 76.9 543.0 1885 51.5 76.6 534.0 1851 51.0 76.3 525.0 1817 50.5 76.1 517.0 1785 50.0 75.8 509.0 1753 49.5 75.5 501.0 1722 49.0 75.3 493.0 1692 48.5 75.0 485.0 1662 48.0 74.7 478.0 1635 47.5 74.5 470.0 1608 47.0 74.2 449 463.0 1581 46.5 73.9 442 456.0 1555 46.0 73.7 436 449.0 1529 45.5 73.4 430 443.0 1504 45.0 73.2 424 436.0 1480 44.5 72.9 413 429.0 1457 44.0 72.6 407 423.0 1434 43.5 72.4 401 417.0 1411 43.0 72.1 396 411.0 1389 42.5 71.8 391 405.0 1368 42.0 71.6 385 399.0 1347 41.5 71.3 380 393.0 1327 41.0 71.1 375 388.0 1307 40.5 70.8 370 382.0 1287 40.0 70.5 365 377.0 1268 39.5 70.3 360 372.0 1250 39.0 70.0 355 367.0 1232 38.5 69.7 350 362.0 1214 38.0 69.5 345 357.0 1197 37.5 69.2 341 352.0 1180 37.0 69.0 336 347.0 1163 36.5 68.7 332 342.0 1147 36.0 68.4 327 338.0...
