TurningMillingDrillingTechnicalInformationIndex Comparison table hardness and tensile strength Technical information Comparison table hardness and tensile strength A Hardness Hardness Tensile Tensile Rockwell Vickers Brinell strength Rockwell Vickers Brinell strength Hardness Hardness Hardness N/mm2 Hardness Hardness Hardness N/mm2 HRC HRA HV HB HRC HRA HV HB 70.0 86.6 1037 — — 51.0 76.3 525 501 1780 69.5 86.3 1017 — — 50.5 76.1 517 494 1750 69.0 86.1 997 — — 50.0 75.8 509 488 1720 68.5 85.8 978 — — 49.5 75.5 501 481 1690 68.0 85.5 959 — — 49.0 75.3 493 474 1660 67.5 85.2 941 — — 48.5 75.0 485 468 1630 67.0 85.0 923 — — 48.0 74.7 478 461 1605 B 66.5 84.7 906 — — 47.5 74.5 470 455 1575 66.0 84.4 889 — — 47.0 74.2 463 449 1550 65.5 84.1 872 — — 46.5 73.9 456 442 1525 65.0 83.9 856 — — 46.0 73.7 449 436 1500 64.5 83.6 840 — — 45.5 73.4 443 430 1475 64.0 83.3 825 — — 45.0 73.2 436 424 1450 63.5 83.1 810 — — 44.5 72.9 429 418 1430 63.0 82.8 795 — — 44.0 72.6 423 413 1405 62.5 82.5 780 — — 43.5 72.4 417 407 1385 C 62.0 82.2 766 — — 43.0 72.1 411 401 1360 61.5 82.0 752 — — 42.5 71.8 405 396 1340 61.0 81.7 739 — — 42.0 71.6 399 391 1320 60.5 81.4 726 — — 41.5 71.3 393 385 1300 60.0 81.2 713 — 2555 41.0 71.1 388 380 1280 59.5 80.9 700 — 2500 40.0 70.8 382 375 1260 59.0 80.6 688 — 2450 40.0 70.5 377 370 1245 58.5 80.3 676 — 2395 39.5 70.3 372 365 1225 58.0 80.1 664 — 2345 39.0 70.0 367 360 1210 57.5 79.8 653 — 2295 38.5 — 362 355 1190 D 57.0 79.5 642 — 2250 38.0 — 357 350 1175 56.5 79.3 631 — 2205 37.5 — 352 345 1160 56.0 79.0 620 — 2160 37.0 — 347 341 1140 55.5 78.7 609 — 2115 36.5 — 342 336 1125 55.0 78.5 599 — 2075 36.0 — 338 332 1110 54.5 78.2 589 — 2035 35.5 — 333 327 1095 54.0 77.9 579 — 1995 35.0 — 329 323 1080 53.5 77.7 570 — 1955 34.5 — 324 318 1065 53.0 77.4 561 — 1920 34.0 — 320 314 1050 E 52.5 77.1 551 — 1885 33.5 — 316 310 1035 52.0 76.9 543 — 1850 33.0 — 312 306 1020 51.5 76.6 534 — 1815 32.5 — 308 302 1010 D9