洛氏硬度、布氏硬度、维氏硬度对照表
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 σ(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 2607
59.5 80.9 - 700 2551
59 80.6 - 688 2496
58.5 80.3 - 676 2443
58 80.1 - 664 2391
57.5 79.8 - 653 2341
57 79.5 - 642 2293
56.5 79.3 - 631 2247
56 79 - 620 2201
55.5 78.7 - 609 2157
55 78.5 - 599 2115
54.5 78.2 - 589 2074
54 77.9 - 579 2034
53.5 77.7 - 570 1995
53 77.4 - 561 1957
52.5 77.1 551 1921
52 76.9 543 1885
51.5 76.6 534 1851
51 76.3 525 1817
50.5 76.1 517 1785
50 75.8 509 1753
49.5 75.5 501 1722
49 75.3 493 1692
48.5 75 485 1662
48 74.7 478 1635
47.5 74.5 470 1608
47 74.2 449 463 1581
46.5 73.9 442 456 1555
46 73.7 436 449 1529
45.5 73.4 430 443 1504
45 73.2 424 436 1480
44.5 72.9 413 429 1457
44 72.6 407 423 1434
43.5 72.4 401 417 1411
43 72.1 396 411 1389
42.5 71.8 391 405 1368
42 71.6 385 399 1347
41.5 71.3 380 393 1327
41 71.1 375 388 1307
40.5 70.8 370 382 1287
40 70.5 365 377 1268
39.5 70.3 360 372 1250
39 70 355 367 1232
38.5 69.7 350 362 1214
38 69.5 345 357 1197
37.5 69.2 341 352 1180
37 69 336 347 1163
36.5 68.7 332 342 1147
36 68.4 327 338 1131
35.5 68.2 323 333 1115
35 67.9 318 329 1100
34.5 67.7 314 324 1080
34 67.4 310 320 1070
33.5 67.1 306 316 1056
33 66.9 302 312 1042
32.5 66.6 298 308 1028
32 66.4 294 304 1015
31.5 66.1 291 300 1001
31 65.8 287 296 989
30.5 65.6 283 292 976
30 65.3 280 289 964
29.5 65.1 276 285 951
29 64.8 273 281 940
28.5 64.6 269 278 928
28 64.3 266 274 917
27.5 64 263 271 906
27 63.8 260 268 895
26.5 63.5 257 264 884
26 63.3 254 261 874
25.5 63 251 258 864
25 62.8 248 255 854
24.5 62.5 245 252 844
24 62.2 242 249 835
23.5 62 240 246 825
23 61.7 237 243 816
22.5 61.5 234 240 808
22 61.2 232 237 799