2022年附录三黑色金属硬度和强度换算表 .pdf

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1、1 附录三黑色金属硬度和强度换算表（GB1172 74）硬度抗拉强度(MPa)洛氏表面洛氏维氏布氏HRC HRA HR1 5NHR3 0NHR4 5NH V HB(F=30D2)70.0 69.5 69.0 68.5 68.0 86.6 86.3 86.1 85.8 85.5 1037 1017 997 978 957 67.5 67.0 66.5 66.0 65.5 85.2 85.0 84.7 84.4 84.1 941 923 906 889 872 65.0 64.5 64.0 63.5 63.0 83.9 83.6 83.3 83.1 82.8 92.2 92.1 91.9 91.8

2、 91.7 81.3 81.0 80.6 80.2 79.8 71.7 71.2 70.6 70.1 69.5 856 840 825 810 795 62.5 62.0 61.5 61.0 60.5 82.5 82.2 82.0 81.7 81.4 91.5 91.4 91.2 91.0 90.8 79.4 79.0 78.6 78.1 77.7 69.0 68.4 67.9 67.3 66.8 780 766 752 739 726 60.0 59.5 59.0 58.5 58.0 81.2 80.9 80.6 80.3 80.1 90.6 90.4 90.2 90.0 89.8 77.3

3、 76.9 76.5 76.1 75.6 66.2 65.6 65.1 64.5 63.9 713 700 688 676 664 2607 2551 2496 2443 2391 57.5 57.0 56.5 56.0 55.5 79.8 79.5 79.3 79.0 78.7 89.6 89.4 89.1 88.9 88.6 75.2 74.8 74.4 73.9 73.5 63.4 62.8 62.2 61.7 61.1 653 642 631 620 609 2341 2293 2246 2201 2157 55.0 54.5 54.0 53.5 53.0 78.5 78.2 77.9

4、 77.7 77.4 88.4 88.1 87.9 87.6 87.4 73.1 72.6 72.2 71.8 71.3 60.5 59.9 59.4 58.8 58.2 599 589 579 570 561 2115 2074 2034 1995 1957 52.5 52.0 51.5 51.0 50.5 77.1 76.9 76.6 76.3 76.1 87.1 86.8 86.6 86.3 86.0 70.9 70.4 70.0 69.5 69.1 57.6 57.1 56.5 55.9 55.3 551 543 534 525 517 501 494 1921 1885 1851 1

5、817 1785 50.0 49.5 49.0 48.5 48.0 75.8 75.5 75.3 75.0 74.0 85.7 85.5 85.2 84.9 84.6 68.6 68.2 67.7 67.3 66.8 54.7 54.2 53.6 53.0 52.4 509 501 493 485 478 488 481 474 468 461 1753 1722 1692 1663 1635 名师资料总结-精品资料欢迎下载-名师精心整理-第 1 页，共 4 页 -2 47.5 47.0 46.5 46.0 45.5 74.5 74.2 73.9 73.7 73.4 84.3 84.0 83.

6、7 83.5 83.2 66.4 65.9 65.5 65.0 64.6 51.8 51.2 50.7 50.1 49.5 470 463 456 449 443 455 449 442 436 430 1608 1581 1555 1529 1504（续）硬度抗拉强度(MPa)洛氏表面洛氏维氏布氏HRC HRA HR1 5NHR3 0NHR4 5NH V HB(F=30D2)45.0 44.5 44.0 43.5 43.0 73.2 72.9 72.6 72.4 72.1 82.9 82.6 82.3 82.0 81.7 64.1 63.6 63.2 62.7 62.3 48.9 48.3

7、47.4 47.1 46.5 436 429 423 417 411 424 418 413 407 401 1480 1457 1434 1411 1389 42.5 42.0 41.5 41.0 40.5 71.8 71.6 71.3 71.0 70.8 81.4 81.1 80.8 80.5 80.2.61.8 61.3 60.9 60.4 60.0 45.9 45.4 44.8 44.2 43.6 405 399 393 388 382 396 391 385 380 375 1368 1347 1327 1307 1287 40.0 39.5 39.0 38.5 38.0 70.5

8、70.3 70.0 79.9 79.6 79.3 79.0 78.9 59.5 59.0 58.6 58.1 57.6 43.0 42.4 41.8 41.2 40.6 377 372 367 362 357 370 365 360 355 350 1268 1250 1232 1214 1197 37.5 37.0 36.5 36.0 35.5 78.4 78.1 77.8 77.5 77.2 57.2 56.7 56.2 55.8 55.3 40.0 39.4 38.8 38.2 37.6 352 347 342 338 333 345 341 336 332 327 1180 1163

9、1147 1131 1115 35.0 34.5 34.0 33.5 33.0 77.0 76.7 76.4 76.1 75.8 54.8 54.4 53.9 53.4 53.0 37.0 36.5 35.9 35.3 34.7 329 324 320 316 312 323 318 314 310 306 1100 1085 1070 1056 1042 32.5 32.0 31.5 31.0 30.5 75.5 75.2 74.9 74.7 74.4 52.5 52.0 51.6 51.1 50.6 34.1 33.5 32.9 32.3 31.7 308 304 300 296 292

10、302 298 294 291 287 1028 1015 1001 989 976 30.0 29.5 29.0 28.5 28.0 74.1 73.8 73.5 73.3 73.0 50.2 49.7 49.2 48.7 48.3 31.1 30.5 29.9 29.3 28.7 289 285 281 278 274 283 280 276 273 269 964 951 940 928 917 27.5 27.0 26.5 26.0 25.5 72.2 72.4 72.2 71.9 71.6 47.8 47.3 46.9 46.4 45.9 28.1 27.5 26.9 26.3 25

11、.7 271 268 264 261 258 266 263 260 257 254 906 895 884 874 864 25.0 24.5 24.0 23.5 23.0 71.4 71.1 70.8 70.6 70.3 45.5 45.0 44.5 44.0 43.6 25.1 24.5 23.9 23.3 22.7 255 252 249 246 243 251 248 245 242 240 854 844 835 825 816 22.5 22.0 21.5 21.0 20.5 70.0 69.8 69.5 69.3 69.0 43.1 42.6 42.2 41.7 41.2 22

12、.1 21.5 21.0 20.4 19.8 240 237 234 231 229 237 234 232 229 227 808 799 791 782 774 名师资料总结-精品资料欢迎下载-名师精心整理-第 2 页，共 4 页 -3 20.0 19.5 19.0 18.5 18.0 68.8 68.5 68.3 68.0 67.8 40.7 40.3 39.8 39.3 38.9 19.2 18.6 18.0 17.4 16.8 226 223 221 218 216 225 222 220 218 216 767 759 752 744 737 17.5 17.0 67.6 67.3

13、 38.4 37.9 16.2 15.6 214 211 214 211 727 724（续）硬度抗拉强度(MPa)洛氏表面洛氏维氏布氏HRB HR1 5NHR3 0NHR4 5NH V HB(F=30D2)100.0 99.5 99.0 98.5 98.0 91.5 91.3 91.2 91.1 90.9 81.7 81.4 81.0 80.7 80.4 71.7 71.2 70.7 70.2 69.6 233 230 227 225 222 803 793 783 773 763 97.5 97.0 96.5 96.0 95.5 90.8 90.6 90.5 90.4 90.2 80.1

14、79.8 79.4 79.1 78.8 69.1 68.6 68.1 67.6 67.1 219 216 214 211 208 754 744 735 726 717 95.0 94.5 94.0 93.5 93.0 90.1 89.9 89.8 89.7 89.5 78.5 78.2 77.8 77.5 77.2 66.5 66.0 65.5 65.0 64.5 206 203 201 199 196 708 700 691 688 675 92.5 92.0 91.5 91.0 90.5 89.4 89.3 89.1 89.0 88.8 76.9 76.6 76.2 75.9 75.6

15、64.0 63.4 63.9 62.4 61.9 194 191 189 187 185 667 659 651 644 636 90.0 89.5 89.0 88.5 88.0 88.7 88.6 88.4 88.3 88.1 75.3 75.0 74.6 74.3 74.0 61.4 60.9 60.3 59.8 59.3 183 180 178 176 174 629 621 614 607 601 87.5 87.0 86.5 86.0 85.5 88.0 87.9 87.7 87.6 87.5 73.7 73.4 73.0 72.7 72.4 58.8 58.3 57.8 57.2

16、56.7 172 170 168 166 165 594 587 581 575 568 85.0 84.5 84.0 83.5 83.0 87.3 87.2 87.0 86.9 86.8 72.1 71.8 71.4 71.1 70.8 56.2 55.7 55.2 54.7 54.1 163 161 159 157 156 562 556 550 545 539 82.5 82.0 81.5 81.0 80.5 86.6 86.5 86.3 86.2 86.1 70.5 70.2 69.8 69.5 69.2 53.6 53.1 52.6 52.1 51.6 154 152 151 149

17、 148 140 138 137 136 134 534 528 523 518 51.3 80.0 79.5 79.0 78.5 78.0 85.9 85.8 85.7 85.5 85.4 68.9 68.6 68.2 67.9 67.6 51.0 50.5 50.0 49.5 49.0 146 145 143 142 140 133 132 130 129 128 508 503 498 494 489 名师资料总结-精品资料欢迎下载-名师精心整理-第 3 页，共 4 页 -4 77.5 77.0 76.5 76.0 75.5 85.2 85.1 85.0 84.8 84.7 67.3 6

18、7.0 66.6 66.3 66.0 48.5 47.9 47.4 46.9 46.4 139 138 136 135 134 127 126 125 124 123 485 480 476 472 468 75.0 74.5 74.0 73.5 73.0 84.5 84.4 84.3 84.1 84.0 65.7 65.4 65.1 64.7 64.4 45.9 45.4 44.8 44.3 43.8 132 131 130 129 128 122 121 120 119 118 464 460 456 452 449（续）硬度抗拉强度(MPa)洛氏表面洛氏维氏布氏HRB HR1 5NHR3

19、 0NHR4 5NH V HB(F=30D2)72.5 72.0 71.5 71.0 70.5 83.9 83.7 83.6 83.4 83.3 64.1 63.8 63.5 63.1 62.8 43.3 42.8 42.3 41.7 41.2 126 125 124 123 122 117 116 115 115 114 445 442 439 435 432 70.0 69.5 69.0 68.5 68.0 83.2 83.0 82.9 82.7 82.6 62.5 62.2 61.9 61.5 61.2 40.7 40.2 39.7 39.2 38.6 121 120 119 118 1

20、17 113 112 112 111 110 429 426 423 420 418 67.5 67.0 66.5 66.0 65.5 82.5 82.3 82.2 82.1 81.9 60.9 60.6 60.3 59.9 59.6 38.1 37.6 37.1 36.6 36.1 116 115 115 114 113 110 109 108 108 107 415 412 410 407 405 65.0 64.5 64.0 63.5 63.0 81.8 81.6 81.5 81.4 81.2 59.3 59.0 58.7 58.3 58.0 35.5 35.0 34.5 34.0 33

21、.5 112 111 110 110 109 107 106 106 105 105 403 400 398 396 394 62.5 62.0 61.5 61.0 60.5 81.1 80.9 80.8 80.7 80.5 57.7 57.4 57.1 56.7 56.4 32.9 32.4 31.9 31.4 30.9 108 108 107 106 105 104 104 103 103 102 392 390 388 386 385 60 80.4 56.1 30.4 105 102 383 是 近似强 度值，不分钢种，用于换 算精度要求不高时，但不 适用于铸铁。表 中洛氏 硬度HRC17 1 9.5 和 HRC67.5 70 区 间，以及布氏硬度450501 区 间的换算，分别超出金属 洛氏硬度试 验法和金属布氏硬度试验 法所规定的范围，仅供参 考使用。名师资料总结-精品资料欢迎下载-名师精心整理-第 4 页，共 4 页 -