Каталог Dormer Pramet фрезерование 2021 - 2022 - страница 787

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9 HARDNESS CONVERSION TABLE Hardness Hardness Strength Strength [MPa] [MPa] BRINELL VICKERS ROCKWELL ROCKWELL BRINELL VICKERS ROCKWELL ROCKWELL Rm HB HV HRB HRC Rm HB HV HRB HRC 285 86 90 1190 – 1190 352 370 – 37.7 320 95 100 56.2 – 1220 361 380 – 38.8 350 105 110 62.3 – 1255 371 390 – 39.8 385 114 120 66.7 – 1290 380 400 – 40.8 415 124 130 71.2 – 1320 390 410 – 41.8 450 133 140 75.0 – 1350 399 420 – 42.7 480 143 150 78.7 – 1385 409 430 – 43.6 510 152 160 81.7 – 1420 418 440 – 44.5 545 162 170 85.8 – 1455 428 450 – 45.3 575 171 180 87.1 – 1485 437 460 – 46.1 610 181 190 89.5 – 1520 447 470 – 46.9 640 190 200 91.5 – 1555 456 480 – 47.7 675 199 210 93.5 – 1595 466 490 – 48.4 705 209 220 95 – 1630 475 500 – 49.1 740 219 230 96.7 – 1665 485 510 – 49.8 770 228 240 98.1 – 1700 494 520 – 50.5 800 238 250 99.5 – 1740 504 530 – 51.1 820 242 255 – 23.1 1775 513 540 – 51.7 850 252 265 – 24.8 1810 523 550 – 52.3 880 261 275 – 26.4 1845 532 560 – 53.0 900 266 280 – 27.1 1880 542 570 – 53.6 930 276 290 – 28.5 1920 551 580 – 54.1 950 280 295 – 29.2 1955 561 590 – 54.7 995 295 310 – 31.0 1995 570 600 – 55.2 1030 304 320 – 32.2 2030 580 610 – 55.7 1060 314 330 – 33.3 2070 589 620 – 56.3 1095 323 340 – 34.4 2105 599 630 – 56.8 1125 333 350 – 35.5 2145 608 640 – 57.3 1155 342 360 – 36.6 2180 618 650 – 57.8 786