1、硬度值对照表：布氏硬度HB洛氏硬度HRC维氏硬度HV布氏硬度HB洛氏硬度HRC维氏硬度HV68.0 940 415 44.5 44067.5 920 401 43.1 42567.0 900 388 41.8 410767 66.4 880 375 40.4 396757 65.9 860 363 39.1 383745 65.3 840 352 37.9 372733 64.7 920 341 36.6 360722 64.0 900 331 35.5 350710 63.3 780 321 34.3 339698 62.5 760 311 33.1 328684 61.8 740 302
2、32.1 319682 61.7 737 293 30.9 309670 61.0 720 285 29.9 301656 60.1 700 277 28.8 292653 60.0 697 269 27.6 284647 59.7 690 262 26.6 276638 59.2 680 255 25.4 269630 58.8 670 248 24.2 261627 58.7 667 241 22.8 253620 58.3 660 235 21.7 247601 57.3 640 229 20.5 241578 56.0 615 223 23455.6 607 217 228555 54.7 591 212 22254.0 579 207 218534 53.5 569 201 21252.5 553 197 207514 52.1 547 192 20251.6 539 187 29651.1 530 183 192495 51.0 528 179 18850.3 516 174 183477 49.6 508 170 17848.8 495 167 175461 48.5 491 163 17147.2 474 156 163444 47.1 472 149 156429 45.7 455 143 150
