| 布氏硬度 HB | 洛氏硬度 | 维氏 硬度 HV | 布氏硬度 HB | 洛氏硬度 | 维氏硬度 HV | ||
| HRA | HRC | HRA | HRC | ||||
| 86.6 | 70.0 | 1037 | 78.5 | 55.0 | 599 | ||
| 86.3 | 69.5 | 1017 | 78.2 | 54.5 | 589 | ||
| 86.1 | 69.0 | 997 | 77.9 | 54.0 | 579 | ||
| 85.8 | 68.5 | 978 | 77.7 | 53.5 | 570 | ||
| 85.5 | 68.0 | 959 | 77.4 | 53.0 | 561 | ||
| 85.2 | 67.5 | 941 | 77.1 | 52.5 | 551 | ||
| 85.0 | 67.0 | 923 | 76.9 | 52.0 | 543 | ||
| 84.7 | 66.5 | 906 | 76.6 | 51.5 | 534 | ||
| 84.4 | 66.0 | 889 | 501 | 76.3 | 51.0 | 525 | |
| 84.1 | 65.5 | 872 | 494 | 76.1 | 50.5 | 517 | |
| 83.9 | 65.0 | 856 | 488 | 75.8 | 50.0 | 509 | |
| 83.6 | 64.5 | 840 | 481 | 75.5 | 49.5 | 501 | |
| 83.3 | 64.0 | 825 | 474 | 75.3 | 49.0 | 493 | |
| 83.1 | 63.5 | 810 | 468 | 75.0 | 48.5 | 485 | |
| 82.8 | 63.0 | 795 | 461 | 74.7 | 48.0 | 478 | |
| 82.5 | 62.5 | 780 | 455 | 74.5 | 47.5 | 470 | |
| 82.2 | 62.0 | 766 | 449 | 74.2 | 47.0 | 463 | |
| 82.0 | 61.5 | 752 | 442 | 73.9 | 46.5 | 456 | |
| 81.7 | 61.0 | 739 | 436 | 73.7 | 46.0 | 449 | |
| 81.4 | 60.5 | 726 | 430 | 73.4 | 45.5 | 443 | |
| 81.2 | 60.0 | 713 | 424 | 73.2 | 45.0 | 436 | |
| 80.9 | 59.5 | 700 | 418 | 72.9 | 44.5 | 429 | |
| 80.6 | 59.0 | 688 | 413 | 72.6 | 44.0 | 423 | |
| 80.3 | 58.5 | 676 | 407 | 72.4 | 43.5 | 417 | |
| 80.1 | 58.0 | 664 | 401 | 72.1 | 43.0 | 411 | |
| 79.8 | 57.5 | 653 | 396 | 71.8 | 42.5 | 405 | |
| 79.5 | 57.0 | 642 | 391 | 71.6 | 42.0 | 399 | |
| 79.3 | 56.5 | 631 | 385 | 71.3 | 41.5 | 393 | |
| 79.0 | 56.0 | 620 | 380 | 71.1 | 41.0 | 388 | |
| 78.7 | 55.5 | 609 | 375 | 70.8 | 40.5 | 382 | |
Imbonerahamwe yo guhindura agaciro k'ibikoresho by'icyuma bikozwe mu byuma bikozwe mu cyuma
| 布氏硬度 HB | 洛氏硬度 | 维氏硬度 HV | 布氏硬度 HB | 洛氏硬度 | 维氏硬度 HV | ||
| HRA | HRC | HRA | HRC | ||||
| 370 | 70.5 | 40.0 | 377 | 269 | 28.0 | 274 | |
| 365 | 70.3 | 39.5 | 372 | 266 | 27.5 | 271 | |
| 360 | 70.0 | 39.0 | 367 | 263 | 27.0 | 268 | |
| 355 | 38.5 | 362 | 260 | 26.5 | 264 | ||
| 350 | 38.0 | 351 | 257 | 26.0 | 261 | ||
| 345 | 37.5 | 352 | 254 | 25.5 | 258 | ||
| 341 | 37.0 | 347 | 251 | 25.0 | 255 | ||
| 336 | 36.5 | 342 | 248 | 24.5 | 252 | ||
| 332 | 36.0 | 338 | 245 | 24.0 | 249 | ||
| 327 | 35.5 | 333 | 242 | 23.5 | 246 | ||
| 323 | 35.0 | 329 | 240 | 23.0 | 243 | ||
| 318 | 34.5 | 324 | 237 | 22.5 | 240 | ||
| 314 | 34.0 | 320 | 234 | 22.0 | 237 | ||
| 310 | 33.5 | 316 | 232 | 21.5 | 234 | ||
| 306 | 33.0 | 312 | 229 | 21.0 | 231 | ||
| 302 | 32.5 | 308 | 227 | 20.5 | 229 | ||
| 298 | 32.0 | 304 | 225 | 20.0 | 226 | ||
| 294 | 31.5 | 300 | 222 | 19.5 | 223 | ||
| 291 | 31.0 | 296 | 220 | 19.0 | 221 | ||
| 287 | 30.5 | 292 | 218 | 18.5 | 218 | ||
| 283 | 30.0 | 289 | 216 | 18.0 | 216 | ||
| 280 | 29.5 | 285 | 214 | 17.5 | 214 | ||
| 276 | 29.0 | 281 | 211 | 17.0 | 211 | ||
| 273 | 28.5 | 278 | |||||
Icyitonderwa:
1. Ubukana bwa Brinell: Ikoreshwa cyane cyane mu gupima ubukana bw'ibice bicukurwamo, ibicukurwamo, ibice by'icyuma bidakoresha feri, ibice bishyushye n'ibice bipfunyitse. Ingano yo gupima ni ≥HB450.
2. Ubukana bwa Rockwell: HRA ikoreshwa cyane cyane ku bipimo by'ubukana bwinshi kugira ngo ipime ubukana bw'ubuso bw'ibikoresho n'ubukana burenga HRC67, nka karubide ikozwe muri sima, icyuma gikozwe muri nitride, nibindi. Ingano yo gupima ni HRA>70. HRC ikoreshwa cyane cyane mu gupima ubukana bw'ibice by'icyuma (nk'icyuma cya karuboni, icyuma cy'ibikoresho, icyuma cy'ibyuma, nibindi) nyuma yo kuzimya cyangwa gushyushya. Ingano yo gupima ni HRC20~67.
3. Ubukana bwa Vickers: bukoreshwa mu gupima ubukana bw'ibice bito n'ibice bya plate by'icyuma, kandi bushobora no gukoreshwa mu gupima ubukana bw'ibice byakonje ku buso nka carburizing, cyaniding, na nitriding.
Igihe cyo kohereza: Mata-07-2024
