硬度对照表 硬度换算表

洛氏硬度HRC 与其他硬度及强度换算表

洛氏硬度 布氏 维氏 表面洛氏硬度 强度 洛氏硬度 布氏 维氏 表面洛氏硬度 强度 硬度 硬度 （近似值） HRC HRA 硬度 硬度 (近似值)

HRC HRA HB10/ HV 15- 30- 45- sB,kg/m㎡ HRC HRA HB10/ HV 15- 30- 45- sB,kg/m㎡ 3000 63.0 83.6 64.5 83.4 64.0 83.1 63.5 82.9 63.0 82.6 62.5 82.3 62.0 82.1 61.5 81.8 61.0 81.5 60.5 81.3 60.0 81.0 59.5 80.7 59.0 80.5 58.5 80.2 58.0 80.0 57.5 79.7 57.0 79.5 56.5 79.2 56.0 78.9 55.5 78.6 55.0 78.4 N N --- 798 --- 785 --- 774 --- 763 --- 751 --- 741 --- 730 --- 719 --- 708 --- 697 --- 687 --- 676 --- 666 --- 655 --- 645 --- 635 --- 625 --- 615 --- 605 --- 596 538 587 N 3000 92.5 81.4 71.4 92.3 81.1 71.0 92.1 80.7 70.5 92.0 80.3 70.0 91.8 80.0 69.6 91.6 79.6 69.1 91.4 79.2 68.6 91.3 78.8 68.1 91.1 78.4 67.6 90.9 78.0 67.1 90.7 77.6 66.5 90.4 77.2 66.0 90.2 76.8 65.4 90.0 76.4 64.9 89.5 76.0 64.3 89.5 75.5 63.7 89.3 75.1 63.2 89.0 74.7 62.6 88.8 74.2 62.0 88.6 73.8 61.4 88.3 73.4 60.9 N N N

--- 45.5 73.5 428 442 83.3 64.6 49.6 150.5 --- 45.0 73.2 422 435 83.0 64.1 49.0 148.0 --- 44.5 72.9 417 429 82.7 63.6 48.4 146.0 --- 44.0 72.7 411 423 82.4 63.2 47.8 144.0 --- 43.5 72.4 406 417 82.1 62.7 47.1 141.5 --- 43.0 72.2 400 411 81.8 62.2 46.6 139.0 --- 42.5 71.9 395 405 81.5 61.8 45.9 137.0 --- 42.0 71.7 390 400 81.2 61.3 45.3 135.0 --- 41.5 71.4 384 394 80.9 60.8 44.7 133.0 --- 41.0 71.1 379 389 80.6 60.4 44.1 131.0 267.5 40.5 70.9 374 384 80.3 59.9 43.5 129.5 261.5 40.0 70.6 369 378 80.1 59.5 42.9 127.5 255.5 39.5 70.4 364 373 79.8 59.0 42.3 125.5 249.5 39.0 70.1 359 368 79.5 58.5 41.7 123.5 243.5 38.5 (69.8) 354 363 79.2 58.1 41.1 122.0 237.0 38.0 (69.6) 349 358 78.9 57.6 40.5 120.0 231.5 37.5 (69.3) 344 353 78.6 57.1 39.9 118.5 226.5 37.0 (69.0) 340 348 78.3 56.7 39.3 117.0 221.0 36.5 (68.8) 335 342 78.0 56.2 38.7 115.5 216.0 36.0 (68.5) 331 339 77.7 55.7 38.1 114.0 211.5 35.5 (68.3) 327 334 77.4 55.2 37.6 113.0

54.5 78.1 532 578 88.1 72.9 60.3 207.5 35.0 (68.0) 322 329 77.1 54.8 36.9 111.5 54.0 77.9 526 569 87.8 72.5 59.7 203.0 34.5 (67.7) 318 325 76.8 54.3 36.3 110.0 53.5 77.6 520 560 87.6 72.0 59.1 198.5 34.0 (67.5) 314 321 76.5 53.8 35.7 108.5 53.0 77.4 515 551 87.3 71.5 58.5 194.5 33.5 (67.2) 310 316 76.3 53.4 35.2 107.0 52.5 77.1 52.0 76.9 51.5 76.6 51.0 76.3 50.5 76.1 509 543 503 535 497 527 492 520 486 512 87.1 71.1 86.8 70.6 86.6 70.2 86.3 69.7 86.0 69.3 57.9 190.5 57.4 187.5 56.8 184.0 56.2 180.5 55.6 177.5 33.0 (67.0) 32.5 (66.7) 32.0 (66.4) 31.5 (66.2) 31.0 (65.9) 306 312 302 308 298 304 294 300 291 296 76.0 52.9 75.7 52.5 75.4 52.0 75.1 51.6 74.8 51.1 34.6 106.0 34.0 104.5 33.3 103.0 32.7 102.0 32.2 100.5