Hardness conversion table Vickers 50kgf HV Brinell 3000kgf HB Rockwell HRA HRB HRC HRD Shore HS Tensile strength MPa Cоотношение твердостей Таблица

Hardness conversion table Vickers 50kgf HV Brinell 3000kgf HB Rockwell HRA HRB HRC HRD Shore HS Tensile strength MPa Cоотношение твердостей Таблица

Hardness conversion table Vickers 50kgf HV Brinell 3000kgf HB Rockwell HRA HRB HRC HRD Shore HS Tensile strength MPa Cоотношение твердостей Таблица _ General Information I Hardness calculating table O Work piece hardness calculating table Vickers 50kgf HV Brinell 3000kgf HB Rockwell Shore HS Tensile strength (approximate value) MPa (1) Standard ball 10 Cemented carbide ball 10 A scale 60kgf Diamond particle HRA B scale 100kgf 1/16in ball HRB C scale 150kgf Diamond particle HRC D scale 100kgf Справочная Diamond particle HRD 940 85.6 - 68.0 76.9 97 920 85.3 - 67.5 76.5 96 900 85.0 - 67.0 76.1 95 880 - (767) 84.7 - 66.4 75.7 93 860 - (757) 84.4 - 65.9 75.3 92 840 - (745) 84.1 - 65.3 74.8 91 820 - (733) 83.8 - 64.7 74.3 90 800 - (722) 83.4 - 64.0 74.8 88 780 - (710) 83.0 - 63.3 73.3 87 760 - (698) 82.6 - 62.5 72.6 86 740 - (684) 82.2 - 61.8 72.1 84 720 - (670) 81.8 - 61.0 71.5 83 700 - (656) 81.3 - 60.1 70.8 81 690 - (647) 81.1 - 59.7 70.5 - 680 - (638) 80.8 - 59.2 70.1 80 670 - 630 80.6 - 58.8 69.8 - 660 - 620 80.3 - 58.3 69.4 79 650 - 611 80.0 - 57.8 69.0 - 640 - 601 79.8 - 57.3 68.7 77 630 - 591 79.5 - 56.8 68.3 - 620 - 582 79.2 - 56.3 67.9 75 610 - 573 78.9 - 55.7 67.5 - 600 - 564 78.6 - 55.2 67.0 74 590 - 554 78.4 - 54.7 66.7 - 2055 580 - 545 78.0 - 54.1 66.2 72 2020 570 - 535 77.8 - 53.6 65.8 - 1985 560 - 525 77.4 - 53.0 65.4 71 1950 550 (505) 517 77.0 - 52.3 64.8 - 1905 540 (496) 507 76.7 - 51.7 64.4 69 1860 530 (488) 497 76.4 - 51.1 63.9 - 1825 520 (480) 488 76.1 - 50.5 63.5 67 1795 510 (473) 479 75.7 - 49.8 62.9 - 1750 500 (465) 471 75.3 - 49.1 62.2 66 1705 490 (456) 460 74.9 - 48.4 61.6 - 1660 480 488 452 74.5 - 47.7 61.3 64 1620 470 441 442 74.1 - 46.9 60.7 - 1570 460 433 433 73.6 - 46.1 60.1 62 1530 450 425 425 73.3 - 45.3 59.4 - 1495 440 415 415 72.8 - 44.5 58.8 59 1460 430 405 405 72.3 - 43.6 58.2 - 1410 420 397 397 71.8 - 42.7 57.5 57 1370 410 388 388 71.4 - 41.8 56.8 - 1330 100 379 379 70.8 - 40.8 56.0 55 1290 390 369 369 70.3 - 39.8 55.2 - 1240 380 360 360 69.8 (100.0) 38.8 54.4 52 1205 370 350 350 69.2 - 39.9 53.6 - 1170 360 341 341 68.7 (109.0) 36.6 52.8 50 1130 350 331 331 68.1 - 35.5 51.9 - 1095 340 322 322 67.6 (108.0) 34.4 51.1 47 1070 330 313 313 67.0 - 33.3 50.2 - 1035 Vickers 50kgf HV Brinell 3000kgf HB Rockwell Shore HS Tensile strength (approximate value) MPa (1) Standard ball 10 Cemented carbide ball 10 A scale 60kgf Diamond particle HRA Bscale 100kgf 1/16in ball HRB C scale 150kgf Diamond particle HRC D scale 100kgf Diamond particle HRD 320 303 303 66.4 (107.0) 32.2 49.4 45 1005 310 294 294 65.8 - 31.0 48.4 - 980 300 284 284 65.2 (105.5) 29.8 47.5 42 950 295 280 280 64.8 - 29.2 47.1 - 935 290 275 275 64.5 (104.5) 28.5 46.5 41 915 285 270 270 64.2 - 27.8 46.0 - 905 280 265 265 63.8 (103.5) 27.1 45.3 40 890 275 261 261 63.5 - 26.4 44.9 - 875 270 256 256 63.1 (102.0) 25.6 44.3 38 855 265 252 252 62.7 - 24.8 43.7 - 840 260 247 247 62.4 (101.0) 24.0 43.1 37 825 255 243 243 62.0 - 23.1 42.2 - 805 250 238 238 61.6 99.5 22.2 41.7 36 795 245 233 233 61.2 - 21.3 41.1 - 780 240 228 228 60.7 98.1 20.3 40.3 34 765 230 219 219 - 96.7 (18.0) - 33 730 220 209 209 - 95.0 (15.7) - 32 695 210 200 200 - 93.4 (13.4) - 30 670 200 190 190 - 91.5 (11.0) - 29 635 190 181 181 - 89.5 (8.5) - 28 605 180 171 171 - 87.1 (6.0) - 26 580 170 162 162 - 85.0 (3.0) - 25 545 160 152 152 - 81.7 (0.0) - 24 515 150 143 143 - 78.7 22 490 140 133 133 - 75.0 21 455 130 124 124 - 71.2 20 425 120 114 114 - 66.7 - 390 110 105 105 - 62.3 100 95 95 - 56.2 95 90 90 - 52.0 90 86 86 - 48.0 85 81 81 - 41.0 Note) 1. 1MPa = IN/nif 2. The number In the blank is not generally used ranges Technical Information 8