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A variety of
{, class="wikitable"
! Brinell HB
(10 mm Ball, 3000 kg load)!!
(5 kg)!! Rockwell C HRC
(120 degree cone 150 kg)!!Rockwell B HRB
(1/16" ball 100 kg)!! Leeb HLDH.Pollok, „Umwertung der Skalen“ (“Conversion of Scales”), Qualität und Zuverlässigkeit, Ausgabe 4/2008. , - , 800, , -, , 72, , -, , 856 , - , 780, , 1220, , 71, , -, , 850 , - , 760, , 1210, , 70, , -, , 843 , - , 745, , 1114, , 68, , -, , 837 , - , 725, , 1060, , 67, , -, , 829 , - , 712, , 1021, , 66, , -, , 824 , - , 682, , 940, , 65, , -, , 812 , - , 668, , 905, , 64, , -, , 806 , - , 652, , 867, , 63, , -, , 799 , - , 626, , 803, , 62, , -, , 787 , - , 614, , 775, , 61, , -, , 782 , - , 601, , 746, , 60, , -, , 776 , - , 590, , 727, , 59, , -, , 770 , - , 576, , 694, , 57, , -, , 763 , - , 552, , 649, , 56, , -, , 751 , - , 545, , 639, , 55, , -, , 748 , - , 529, , 606, , 54, , -, , 739 , - , 514, , 587, , 53, , 120, , 731 , - , 502, , 565, , 52, , 119, , 724 , - , 495, , 551, , 51, , 119, , 719 , - , 477, , 534, , 49, , 118, , 709 , - , 461, , 502, , 48, , 117, , 699 , - , 451, , 489, , 47, , 117, , 693 , - , 444, , 474, , 46, , 116, , 688 , - , 427, , 460, , 45, , 115, , 677 , - , 415, , 435, , 44, , 115, , 669 , - , 401, , 423, , 43, , 114, , 660 , - , 388, , 401, , 42, , 114, , 650 , - , 375, , 390, , 41, , 113, , 640 , - , 370, , 385, , 40, , 112, , 635 , - , 362, , 380, , 39, , 111, , 630 , - , 351, , 361, , 38, , 111, , 622 , - , 346, , 352, , 37, , 110, , 617 , - , 341, , 344, , 37, , 110, , 613 , - , 331, , 335, , 36, , 109, , 605 , - , 323, , 320, , 35, , 109, , 599 , - , 311, , 312, , 34, , 108, , 588 , - , 301, , 305, , 33, , 107, , 579 , - , 293, , 291, , 32, , 106, , 572 , - , 285, , 285, , 31, , 105, , 565 , - , 276, , 278, , 30, , 105, , 557 , - , 269, , 272, , 29, , 104, , 550 , - , 261, , 261, , 28, , 103, , 542 , - , 258, , 258, , 27, , 102, , 539 , - , 249, , 250, , 25, , 101, , 530 , - , 245, , 246, , 24, , 100, , 526 , - , 240, , 240, , 23, , 99, , 521 , - , 237, , 235, , 23, , 99, , 518 , - , 229, , 226, , 22, , 98, , 510 , - , 224, , 221, , 21, , 97, , 505 , - , 217, , 217, , 20, , 96, , 497 , - , 211, , 213, , 19, , 95, , 491 , - , 206, , 209, , 18, , 94, , 485 , - , 203, , 201, , 17, , 94, , 482 , - , 200, , 199, , 16, , 93, , 478 , - , 196, , 197, , 15, , 92, , 474 , - , 191, , 190, , 14, , 92, , 468 , - , 187, , 186, , 13, , 91, , 463 , - , 185, , 184, , 12, , 91, , 461 , - , 183, , 183, , 11, , 90, , 459 , - , 180, , 177, , 10, , 89, , 455 , - , 175, , 174, , 9, , 88, , 449 , - , 170, , 171, , 7, , 87, , 443 , - , 167, , 168, , 6, , 87, , 439 , - , 165, , 165, , 5, , 86, , 437 , - , 163, , 162, , 4, , 85, , 434 , - , 160, , 159, , 3, , 84, , 430 , - , 156, , 154, , 2, , 83, , 425 , - , 154, , 152, , 1, , 82, , 423 , - , 152, , 150, , -, , 82, , 420 , - , 150, , 149, , -, , 81, , 417 , - , 147, , 147, , -, , 80, , 413 , - , 145, , 146, , -, , 79, , 411 , - , 143, , 144, , -, , 79, , 408 , - , 141, , 142, , -, , 78, , 405 , - , 140, , 141, , -, , 77, , 404 , - , 135, , 135, , -, , 75, , 389 , - , 130, , 130, , -, , 72, , 390 , - , 114, , 120, , -, , 67, , 365 , - , 105, , 110, , -, , 62, , 350 , - , 95, , 100, , -, , 56, , 331 , - , 90, , 95, , -, , 52, , 321 , - , 81, , 85, , -, , 41, , 300 , - , 76, , 80, , -, , 37, , 287 , -
Hardness Conversion Table – Brinell, Rockwell,Vickers – Various steels
(archived November 11, 2011)
(Brinell, Rockwell A,B,C)
Struers hardness conversion table
(Vickers, Brinell, Rockwell B,C,D) Scientific comparisons
hardness
In materials science, hardness (antonym: softness) is a measure of the resistance to localized plastic deformation induced by either mechanical indentation or abrasion. In general, different materials differ in their hardness; for example hard ...
-testing methods are available, including the Vickers
Vickers was a British engineering company that existed from 1828 until 1999. It was formed in Sheffield as a steel foundry by Edward Vickers and his father-in-law, and soon became famous for casting church bells. The company went public i ...
, Brinell, Rockwell, Meyer Meyer may refer to:
People
*Meyer (surname), listing people so named
* Meyer (name), a list of people and fictional characters with the name
Companies
* Meyer Burger, a Swiss mechanical engineering company
* Meyer Corporation
* Meyer Sound Labo ...
and Leeb tests. Although it is impossible in many cases to give an exact conversion, it is possible to give an approximate material-specific comparison table for steels.
Hardness comparison table
{, class="wikitable"
! Brinell HB (10 mm Ball, 3000 kg load)!!
Vickers
Vickers was a British engineering company that existed from 1828 until 1999. It was formed in Sheffield as a steel foundry by Edward Vickers and his father-in-law, and soon became famous for casting church bells. The company went public i ...
HV (5 kg)!! Rockwell C HRC
(120 degree cone 150 kg)!!Rockwell B HRB
(1/16" ball 100 kg)!! Leeb HLDH.Pollok, „Umwertung der Skalen“ (“Conversion of Scales”), Qualität und Zuverlässigkeit, Ausgabe 4/2008. , - , 800, , -, , 72, , -, , 856 , - , 780, , 1220, , 71, , -, , 850 , - , 760, , 1210, , 70, , -, , 843 , - , 745, , 1114, , 68, , -, , 837 , - , 725, , 1060, , 67, , -, , 829 , - , 712, , 1021, , 66, , -, , 824 , - , 682, , 940, , 65, , -, , 812 , - , 668, , 905, , 64, , -, , 806 , - , 652, , 867, , 63, , -, , 799 , - , 626, , 803, , 62, , -, , 787 , - , 614, , 775, , 61, , -, , 782 , - , 601, , 746, , 60, , -, , 776 , - , 590, , 727, , 59, , -, , 770 , - , 576, , 694, , 57, , -, , 763 , - , 552, , 649, , 56, , -, , 751 , - , 545, , 639, , 55, , -, , 748 , - , 529, , 606, , 54, , -, , 739 , - , 514, , 587, , 53, , 120, , 731 , - , 502, , 565, , 52, , 119, , 724 , - , 495, , 551, , 51, , 119, , 719 , - , 477, , 534, , 49, , 118, , 709 , - , 461, , 502, , 48, , 117, , 699 , - , 451, , 489, , 47, , 117, , 693 , - , 444, , 474, , 46, , 116, , 688 , - , 427, , 460, , 45, , 115, , 677 , - , 415, , 435, , 44, , 115, , 669 , - , 401, , 423, , 43, , 114, , 660 , - , 388, , 401, , 42, , 114, , 650 , - , 375, , 390, , 41, , 113, , 640 , - , 370, , 385, , 40, , 112, , 635 , - , 362, , 380, , 39, , 111, , 630 , - , 351, , 361, , 38, , 111, , 622 , - , 346, , 352, , 37, , 110, , 617 , - , 341, , 344, , 37, , 110, , 613 , - , 331, , 335, , 36, , 109, , 605 , - , 323, , 320, , 35, , 109, , 599 , - , 311, , 312, , 34, , 108, , 588 , - , 301, , 305, , 33, , 107, , 579 , - , 293, , 291, , 32, , 106, , 572 , - , 285, , 285, , 31, , 105, , 565 , - , 276, , 278, , 30, , 105, , 557 , - , 269, , 272, , 29, , 104, , 550 , - , 261, , 261, , 28, , 103, , 542 , - , 258, , 258, , 27, , 102, , 539 , - , 249, , 250, , 25, , 101, , 530 , - , 245, , 246, , 24, , 100, , 526 , - , 240, , 240, , 23, , 99, , 521 , - , 237, , 235, , 23, , 99, , 518 , - , 229, , 226, , 22, , 98, , 510 , - , 224, , 221, , 21, , 97, , 505 , - , 217, , 217, , 20, , 96, , 497 , - , 211, , 213, , 19, , 95, , 491 , - , 206, , 209, , 18, , 94, , 485 , - , 203, , 201, , 17, , 94, , 482 , - , 200, , 199, , 16, , 93, , 478 , - , 196, , 197, , 15, , 92, , 474 , - , 191, , 190, , 14, , 92, , 468 , - , 187, , 186, , 13, , 91, , 463 , - , 185, , 184, , 12, , 91, , 461 , - , 183, , 183, , 11, , 90, , 459 , - , 180, , 177, , 10, , 89, , 455 , - , 175, , 174, , 9, , 88, , 449 , - , 170, , 171, , 7, , 87, , 443 , - , 167, , 168, , 6, , 87, , 439 , - , 165, , 165, , 5, , 86, , 437 , - , 163, , 162, , 4, , 85, , 434 , - , 160, , 159, , 3, , 84, , 430 , - , 156, , 154, , 2, , 83, , 425 , - , 154, , 152, , 1, , 82, , 423 , - , 152, , 150, , -, , 82, , 420 , - , 150, , 149, , -, , 81, , 417 , - , 147, , 147, , -, , 80, , 413 , - , 145, , 146, , -, , 79, , 411 , - , 143, , 144, , -, , 79, , 408 , - , 141, , 142, , -, , 78, , 405 , - , 140, , 141, , -, , 77, , 404 , - , 135, , 135, , -, , 75, , 389 , - , 130, , 130, , -, , 72, , 390 , - , 114, , 120, , -, , 67, , 365 , - , 105, , 110, , -, , 62, , 350 , - , 95, , 100, , -, , 56, , 331 , - , 90, , 95, , -, , 52, , 321 , - , 81, , 85, , -, , 41, , 300 , - , 76, , 80, , -, , 37, , 287 , -
References
Further reading
* ISO 18265: "Metallic materials — Conversion of hardness values" (2013) * ASTM E140-12B(2019)e1: "Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness" (2019)External links
Hardness Conversion Table – Brinell, Rockwell,Vickers – Various steels
(archived November 11, 2011)
(Brinell, Rockwell A,B,C)
Struers hardness conversion table
(Vickers, Brinell, Rockwell B,C,D) Scientific comparisons