洛氏硬度、布氏硬度、维氏硬度的常用范围值的对照表.doc

以下是洛氏硬度、布氏硬度、维氏硬度的常用范围值的对照表。 洛氏硬度 洛氏硬度 布氏硬度 维氏硬度 近似强度HRC HRA HB 30D2 HV (MPa)70 86.6 - 1037 -69.5 86.3 - 1017 -69 86.1 - 997 -68.5 85.8 - 978 -68 85.5 - 959 -67.5 85.2 - 941 -67 85 - 923 -66.5 84.7 - 906 -66 84.4 - 889 -65.5 84.1 - 872 -65 83.9 - 856 -64.5 83.6 - 840 -64 83.3 - 825 -63.5 83.1 - 810 -63 82.8 - 795 -62.5 82.5 - 780 -62 82.2 - 766 -61.5 82 - 752 -61 81.7 - 739 -60.5 81.4 - 726 -60 81.2 - 713 260759.5 80.9 - 700 255159 80.6 - 688 249658.5 80.3 - 676 244358 80.1 - 664 239157.5 79.8 - 653 234157 79.5 - 642 229356.5 79.3 - 631 224756 79 - 620 220155.5 78.7 - 609 215755 78.5 - 599 211554.5 78.2 - 589 207454 77.9 - 579 203453.5 77.7 - 570 199553 77.4 - 561 195752.5 77.1 551 192152 76.9 543 188551.5 76.6 534 185151 76.3 525 181750.5 76.1 517 178550 75.8 509 175349.5 75.5 501 172249 75.3 493 169248.5 75 485 166248 74.7 478 163547.5 74.5 470 160847 74.2 449 463 158146.5 73.9 442 456 155546 73.7 436 449 152945.5 73.4 430 443 150445 73.2 424 436 148044.5 72.9 413 429 145744 72.6 407 423 143443.5 72.4 401 417 141143 72.1 396 411 138942.5 71.8 391 405 136842 71.6 385 399 134741.5 71.3 380 393 132741 71.1 375 388 130740.5 70.8 370 382 128740 70.5 365 377 126839.5 70.3 360 372 125039 70 355 367 123238.5 69.7 350 362 121438 69.5 345 357 119737.5 69.2 341 352 118037 69 336 347 116336.5 68.7 332 342 114736 68.4 327 338 113135.5 68.2 323 333 111535 67.9 318 329 110034.5 67.7 314 324 108034 67.4 310 320 107033.5 67.1 306 316 105633 66.9 302 312 104232.5 66.6 298 308 102832 66.4 294 304 101531.5 66.1 291 300 100131 65.8 287 296 98930.5 65.6 283 292 97630 65.3 280 289 96429.5 65.1 276 285 95129 64.8 273 281 94028.5 64.6 269 278 92828 64.3 266 274 91727.5 64 263 271 90627 63.8 260 268 89526.5 63.5 257 264 88426 63.3 254 261 87425.5 63 251 258 86425 62.8 248 255 85424.5 62.5 245 252 84424