钢的布氏硬度的近似换算值

钢的布氏硬度的近似换算值 布氏硬度(HB) 10mm3000kgf 洛氏硬度(3) 维 洛氏硬度洛氏硬度C 洛氏硬度D 肖 洛氏硬度B 氏 氏 抗拉强度 载荷载荷A 载荷100kgf 硬 载荷60kgf (近似100kgf 150kgf 硬 标准刚球Ø1.6mm碳化钨球 度 金刚石圆金刚石圆金刚石圆度 值)MPa(2) 球 球 (HV) 锥 (HS) 锥 锥 (1/16in) 压印头 压印头 压印头 (HRB) (HRA) (HRC) (HRD) - - - - - - - - - - - - - - - - - - - - - - - - - - 940 920 900 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 80.7 79.8 79.8 - - - - - - - - - - - - - - - - - - - - - - - 68.0 67.5 67.0 66.4 65.9 65.3 64.7 64.0 - 63.3 62.5 61.8 61.7 61.0 60.1 60.0 59.7 59.2 58.8 58.7 59.1 57.3 57.3 76.9 76.5 76.1 75.7 75.3 74.8 74.3 73.8 - 73.3 72.6 72.1 72.0 71.5 70.8 70.7 70.5 70.1 69.8 69.7 70.0 68.7 68.7 97 96 95 93 92 91 90 88 - 87 86 - 84 83 - 81 - 80 - 79 - 77 - - - - - - - - - - - - - - - - - - - - - - - - (767) 880 (757) 860 (745) 840 (733) 820 (722) 800 (712) - (710) 780 (698) 760 (684) 740 (682) 737 (670) 720 (656) 700 (653) 697 (647) 690 (638) 680 630 627 - 601 - 670 667 677 640 640 - - - - - - - (495) - - (477) - - (461) - - 444 - - 429 415 401 388 375 363 352 341 331 578 - 555 - 534 - 514 - - 495 - - 477 - - 461 - - 444 429 415 401 388 375 363 352 341 331 615 607 591 579 569 533 547 539 530 528 516 508 508 495 491 491 474 472 472 455 440 425 410 396 383 372 360 350 79.1 78.8 78.4 78.0 77.8 77.1 76.9 76.7 76.4 76.3 75.9 75.6 75.6 75.1 74.9 74.9 74.3 74.2 74.2 73.4 72.8 72.0 71.4 70.6 70.0 69.3 68.7 68.1 - - - - - - - - - - - - - - - - - - - - - - - - - (110.0) (109.0) (108.5) 56.0 55.6 54.7 54.0 53.5 52.5 52.1 51.6 51.1 51.0 50.3 49.6 49.6 48.8 48.5 48.5 47.2 47.1 47.1 45.7 44.5 43.1 41.8 40.4 39.1 37.9 36.6 35.5 67.7 67.4 66.7 66.1 65.8 65.0 64.7 64.3 63.9 63.8 63.2 62.7 62.7 61.9 61.7 61.7 61.0 60.8 60.8 59.7 58.8 57.8 56.8 55.7 54.6 53.8 52.8 51.9 75 - 73 - 71 - 70 - - 68 - - 66 - - 65 - - 63 61 59 58 56 54 52 51 50 48 - - 2055 2015 1985 1915 1890 1855 1825 1820 1780 1740 1740 1680 1670 1670 1595 1585 1585 1510 1460 1390 1330 1270 1220 1180 1130 1095 321 311 302 293 285 277 269 262 255 248 241 235 229 223 217 212 207 201 197 192 187 183 179 174 170 167 163 156 149 143 137 321 311 302 293 285 277 269 262 255 248 241 235 229 223 217 212 207 201 197 192 187 183 179 174 170 167 163 156 149 143 137 339 328 319 309 301 292 284 276 269 261 253 247 241 234 228 222 218 212 207 202 196 192 188 182 178 175 171 163 156 150 143 67.5 66.9 66.3 65.7 65.3 64.6 64.1 63.6 63.0 62.5 61.8 61.4 60.8 - - - - - - - - - - - - - - - - - - (108.0) (107.5) (107.0) (106.0) (105.5) (104.5) (104.0) (103.0) (102.0) (101.0) 100 99.0 98.2 97.3 96.4 95.5 94.6 93.8 92.8 91.9 90.7 90.0 89.0 87.8 86.8 86.0 85.0 82.9 80.8 78.7 76.4 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 (18.8) (17.5) (16.0) (15.2) (13.8) (12.7) (11.5) (10.0) (9.0) (8.0) (6.4) (5.4) (4.4) (3.3) (0.9) - - - 51.0 50.0 49.3 48.3 47.6 46.7 45.9 45.0 44.2 43.2 42.0 41.4 40.5 - - - - - - - - - - - - - - - - - - 47 46 45 43 - 41 40 39 38 37 36 35 34 - 33 - 32 31 30 29 - 28 27 - 26 - 25 - 23 22 21 1060 1025 1005 970 950 925 895 875 850 825 800 785 765 725 705 690 675 655 640 620 615 600 585 570 560 545 525 505 490 460 131 126 121 116 111

131 126 121 116 111 137 132 127 122 117 - - - - - 74.0 72.0 69.8 67.6 65.7 - - - - - - - - - - - 20 19 18 15 450 435 415 400 385