1、洛氏硬度、布氏硬度、维氏硬度的常用范围值的对照表洛氏硬度HRC 洛氏硬度HRA布氏硬度HB 30D2维氏硬度HV 近似强度(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 8
2、3.3 - 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 260759.5 80.9 - 700.0 255159.0 80.6 - 688.0 249658.5 80.3 - 676.0 244358.0 80.1 - 664.0 239157.5 79.8 - 653.0 234157.0 79.5 - 642.0 2293
3、56.5 79.3 - 631.0 224756.0 79.0 - 620.0 220155.5 78.7 - 609.0 215755.0 78.5 - 599.0 211554.5 78.2 - 589.0 207454.0 77.9 - 579.0 203453.5 77.7 - 570.0 199553.0 77.4 - 561.0 195752.5 77.1 551.0 192152.0 76.9 543.0 188551.5 76.6 534.0 185151.0 76.3 525.0 181750.5 76.1 517.0 178550.0 75.8 509.0 175349.5
4、 75.5 501.0 172249.0 75.3 493.0 169248.5 75.0 485.0 166248.0 74.7 478.0 163547.5 74.5 470.0 160847.0 74.2 449 463.0 158146.5 73.9 442 456.0 155546.0 73.7 436 449.0 152945.5 73.4 430 443.0 150445.0 73.2 424 436.0 148044.5 72.9 413 429.0 145744.0 72.6 407 423.0 143443.5 72.4 401 417.0 141143.0 72.1 39
5、6 411.0 138942.5 71.8 391 405.0 136842.0 71.6 385 399.0 134741.5 71.3 380 393.0 132741.0 71.1 375 388.0 130740.5 70.8 370 382.0 128740.0 70.5 365 377.0 126839.5 70.3 360 372.0 125039.0 70.0 355 367.0 123238.5 69.7 350 362.0 121438.0 69.5 345 357.0 119737.5 69.2 341 352.0 118037.0 69.0 336 347.0 1163
6、36.5 68.7 332 342.0 114736.0 68.4 327 338.0 113135.5 68.2 323 333.0 111535.0 67.9 318 329.0 110034.5 67.7 314 324.0 108034.0 67.4 310 320.0 107033.5 67.1 306 316.0 105633.0 66.9 302 312.0 104232.5 66.6 298 308.0 102832.0 66.4 294 304.0 101531.5 66.1 291 300.0 100131.0 65.8 287 296.0 98930.5 65.6 283
7、 292.0 97630.0 65.3 280 289.0 96429.5 65.1 276 285.0 95129.0 64.8 273 281.0 94028.5 64.6 269 278.0 92828.0 64.3 266 274.0 91727.5 64.0 263 271.0 90627.0 63.8 260 268.0 89526.5 63.5 257 264.0 88426.0 63.3 254 261.0 87425.5 63.0 251 258.0 86425.0 62.8 248 255.0 85424.5 62.5 245 252.0 84424.0 62.2 242 249.0 83523.5 62.0 240 246.0 82523.0 61.7 237 243.0 81622.5 61.5 234 240.0 80822.0 61.2 232 237.0 799以上数据摘自 实用五金手册 广东科技出版社，2004.3
