硬度换算表: 布氏硬度与洛氏硬度 布氏硬度 硬质合金球HB 3000kg - - - 767 757 745 733 722 712 710 698 684 682 670 656 653 7 638 630 627 601 578 555 534 514 495 477 461 444 429 415 401 388 375 363 352 标尺HRA 60kg 85.6 85.3 85.0 84.7 84.4 84.1 83.8 83.4 - 83.0 82.6 82.2 82.2 81.8 81.3 81.2 81.1 80.8 80.6 80.5 79.8 79.1 78.4 77.8 76.9 76.3 75.6 74.9 74.2 73.4 72.8 72.0 71.4 70.6 70.0 69.3 洛氏硬度 标尺HRB 100kg - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 标尺HRC 150kg 68.0 67.5 67.0 66.4 65.9 65.3 .7 .0 - 63.3 62.5 61.8 61.7 61.0 60.1 60.0 59.7 59.2 58.8 58.7 57.3 56.0 .7 53.5 52.1 51.0 49.6 48.5 47.1 45.7 44.5 43.1 41.8 40.4 39.1 37.9 - - - - - - - - - - - - - - - - - 329,000 324,000 323,000 309,000 297,000 285,000 274,000 263,000 253,000 243,000 235,000 225,000 217,000 210,000 202,000 195,000 188,000 182,000 176,000 抗拉强度 布氏硬度 标尺HRA 60Kg 68.1 67.5 66.9 66.3 65.7 65.3 .6 .1 63.6 63.0 62.5 61.8 61.4 60.8 - - - - - - - - - - - - - - - - - - - - - - 洛氏硬度 标尺HRB 100kg - - - - - - - - - - - 100.0 99.0 98.2 97.3 96.4 95.5 94.6 93.8 92.8 91.9 90.7 90.0 .0 87.8 86.8 86.0 85.0 82.9 80.8 78.7 76.4 74.0 72.0 69.8 67.6 标尺HRC 150kg 35.5 34.3 33.1 32.1 30.9 29.9 28.8 27.6 26.6 25.4 24.2 22.8 21.7 20.5 20.0 18.0 17.0 16.0 15.0 - - - - - - - - - - - - - - - - - 166,000 160,000 155,000 150,000 145,000 141,000 137,000 133,000 129,000 126,000 122,000 118,000 115,000 111,000 - 105,000 102,000 100,000 98,000 95,000 93,000 90,000 ,000 87,000 85,000 83,000 81,000 79,000 76,000 73,000 71,000 67,000 65,000 63,000 60,000 58,000 抗拉强度 (约磅/英寸2) (约磅/英寸2) 硬质合金球 HB 000kg 331 321 311 302 293 285 277 269 262 255 248 241 235 229 223 217 212 207 201 197 192 187 183 179 174 170 167 163 156 149 143 137 131 126 121 116
