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Steel Hardness Conversion Chart: Leeb, Brinell, Rockwell
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HARDNESS CONVERSION CHART FOR STEEL & CAST STEEL LEEB SCALES BRINELL VICKERS ROCKWELL SCALES HLE HLS HLC HLG HLDL HLD HBS HV10 C A B D E F 11 N mm 11 N mm 3 N mm 90 N mm 11 N mm 11 N mm 3000 kg 60 kg 92 92 91 91 90 90 89 89 88 87 87 86 86 85 85 84 84 83 83 82 81 81 80 80 79 79 78 78 77 77 74 73 73 72 72 71 71 70 70 69 69 68 68 67 67 66 66 65 65 64 64 63 63 62 62 61 61 60 59 59 100 kg 87 86 85 84 83 83 82 81 80 80 79 78 77 76 75 75 74 73 72 72 71 70 69 69 68 67 66 65 65 64 60 59 59 58 57 56 55 55 54 53 52 52 51 50 49 48 48 47 46 45 45 44 43 42 42 41 40 100 kg 60 kg HBS 3000 kg 1021.1 984.7 932.7 886.8 855.6 825.5 796.6 768.8 742.1 726.5 713.8 696.5 674.8 653.9 631.5 609.9 593.2 579 569 561.2 549.7 538.4 521.9 506 490.5 475.5 460.9 446.8 433 419.7 406.7 394.1 381.8 369.8 358.2 346.8 335.7 324.9 314.3 303.9 293.8 284 274.3 264.9 255.6 246.5 237.7 229 224.2 219.6 214.9 210.3 205.8 201.3 196.9 192.6 188.2 184 179.8 175.6 171.6 167.5 163.5 159.6 155.7 151.9 148.2 144.5 140.9 137.3 133.8 130.3 127 123.6 120.4 117.2 114.1 111.1 108.1 105.2 102.4 99.7 97 94.5 92 89.6 87.3 85.1 83 81 79 77.2 75.5 73.9 72.4 71.1 69.8 68.7 67.6 66.7 66 65.4 64 64 63 63 62 62 61 61 60 60 59 59 58 58 57 57 56 56 56 55 55 55 54 54 53 150 kg 80 79 78 77 76 75 74 73 72 71.8 70.8 69.4 68 67 66 64.9 63.9 62.8 62.2 61.7 60.9 60 59 57.9 56.8 55.9 55.2 54.6 54.1 53.5 52.8 51.7 50.7 49.6 48.6 47.5 46.4 45.3 44.2 43 41.9 40.7 39.5 38.3 37 35.8 34.5 33.2 31.9 30.5 29.1 27.7 26.2 24.7 23.2 21.6 20 100 kg HLD 11 N mm 925 915 900 886 876 866 856 846 836 830 825 818 809 800 790 780 772 765 760 756 750 744 735 726 717 708 699 690 681 672 663 654 645 636 627 618 609 600 591 582 573 564 555 546 537 528 519 510 505 500 495 490 485 480 475 470 465 460 455 450 445 440 435 430 425 420 415 410 405 400 395 390 385 380 375 370 365 360 355 350 345 340 335 330 325 320 315 310 305 300 295 290 285 280 275 270 265 260 255 250 245 240 235 230 225 220 215 210 205 200 195 190 185 180 175 170 165 160 155 150 145 140 135 130 125 120 115 110 105 10 kg 1787 1710 1633 1556 1478 1400 1323 1245 1160 1087.1 1047.5 991 941.1 907.2 874.5 843.2 813 784 767.1 753.4 734.5 711.1 688.4 664.2 640.8 622.7 607.4 596.6 588.2 575.8 563.6 545.8 528.6 512 495.8 480.2 465 450.3 436 422.1 408.7 395.5 382.8 370.4 358.3 346.5 335 323.8 312.9 302.2 291.8 281.6 271.6 261.9 252.4 243.1 234 229 224.1 219.3 214.5 209.8 205.1 200.5 196 191.5 187.1 182.7 178.4 174.2 170 165.9 161.8 157.8 153.9 150 146.2 142.4 138.7 135.1 131.6 128.1 124.7 121.4 118.1 114.9 111.8 108.8 105.8 102.9 100.1 97.4 94.8 92.3 89.8 87.5 85.3 83.1 81.1 79.1 77.3 75.6 74 72.5 71.1 69.9 68.7 67.8 66.9 66.2 65.6 65.1 64.8 64.7 HLE 11 N mm 890 881 867 853 843 833 823 813 802 792 783 776 763 766 756 746 738 732 726 722 717 711 701 692 683 675 666 657 648 640 630 622 613 604 587 560 570 560 554 550 545 537 529 521 512 505 496 490 HLS 11 N mm 885 876 867 859 850 842 833 825 817 809 801 793 785 777 769 761 753 745 737 730 722 714 707 700 693 685 678 670 663 656 649 642 634 626 619 612 605 598 591 585 579 574 568 562 557 552 544 536 527 522 518 510 505 501 497 493 488 485 482 478 474 471 HLC 3 N mm 955 886 876 866 856 846 836 830 825 818 809 800 790 780 772 765 760 756 750 744 735 726 717 708 699 690 681 672 663 654 645 636 627 618 609 600 591 582 573 564 555 546 537 528 519 510 505 500 495 490 485 480 475 471 465 460 455 450 445 440 435 430 425 420 415 410 405 400 395 390 385 380 375 370 365 360 355 350 345 340 335 330 325 320 315 310 305 300 HLG 90 N mm 743 733 724 718 713 709 702 696 688 679 669 661 652 644 636 627 619 610 602 593 585 577 569 560 552 543 536 527 519 510 503 495 486 478 473 469 464 459 454 449 445 441 435 431 426 421 417 411 406 402 397 392 387 382 378 372 367 362 359 359 353 348 343 339 335 332 326 316 313 311 303 HLDL 11 N mm 949 943 938 933 927 922 918 916 912 907 902 897 891 886 883 880 878 874 871 866 860 855 850 845 840 834 829 823 818 812 806 800 795 789 782 776 770 764 757 751 744 737 731 724 717 714 710 706 702 698 694 690 686 682 679 675 671 667 663 659 655 651 648 644 640 636 632 629 625 621 618 614 610 606 603 599 595 592 589 585 581 578 574 571 568 565 561 According to ASTM E140 Please note: Most accurate results are obtained when measuring and reporting in the native scales i.e. Leeb scale of Equotip device. 810 350 27 ver 01 2015 © Proceq SA, Switzerland. All rights reserved. B 100 kg 120 120 119 119 118 120 120 119 119 118 116.5 115 115 114 113 113 112 112 111 110 110 108 108 107 106 105 104 103 102 101 99.6 98.3 97.5 96.7 96 95.2 94.3 93.5 92.7 91.8 90.9 90 89 88.1 87 86 84.9 83.8 82.7 81.5 80.3 79 77.7 76.3 74.9 73.5 72 70.5 68.9 67.2 65.5 63.8 62 60.1 58.2 56.3 54.2 52.2 50 47.8 45.5 43.2 40.8 38.4 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 E 100 kg 100 100 99 98 98 97 96 96 95 95 94 93 93 92 91 91 90 90 89 88 88 87 87 86 85 85 84 84 83 82 82 81 80 80 79 79 78 77 77 76 76 75 74 74 73 73 72 71 71 70 70 69 68 68 67 67 67 66 65 65 64 64 63 62 62 61 61 60 59 59 58 58 57 F 60 kg 100 99 99 98 98 97 96 96 95 95 94 94 93 92 92 91 91 90 90 89 88 88 87 87 86 86 85 85 84 83 83 82 82 81 81 80 79 79 78 78 77 77 76 75 75 74 74 73 73 72 71 71 70 70 69 69 68 67 67 67 66 66 66 65 64 64 63 62 62 61 61 60 60 59 58 58 57 G H G 91 88 86 85 83 81 79 77 76 75 74 73 72 70 69 68 66 64 63 61 60 58 57 56 53 49 48 45 43 41 38 36 33 30 28 25 24 21 28 15 12 9 6 3 H 100 100 99 99 99 98 98 98 97 97 97 96 96 96 95 95 95 94 94 93 93 93 92 92 92 91 91 91 90 90 90 89 89 88 88 88 87 K K 100 100 100 99 98 97 97 96 95 94 93 92 91 91 90 89 88 87 86 85 85 84 83 82 81 80 79 78 78 77 76 75 74 73 72 71 71 70 69 68 67 66 65 65 64 63 62 61 60 59 58 58 57 56 55 54 53 52 52 51 50 49 48 41 46 45 45 44 42 42 41 40 39 38 38 37 36 35 34 SHORE 15N 30N 45N 15T 30T 45T 15 kg 97 96 96 96 96 95 95 95 95 94 94 94 93 93 93 92 92 91 91 91 90 90 89 89 88 88 87 87 86 86 84 83 83 82 82 81 80 80 79 79 78 78 77 77 76 76 75 75 74 73 73 72 72 71 71 70 69 30 kg 92 92 91 91 90 89 89 88 87 87 86 85 84 84 83 82 81 80 79 79 78 77 76 75 74 73 72 71 70 69 65 64 63 62 61 60 60 59 58 57 56 55 54 53 52 51 50 50 49 48 47 46 45 44 43 42 42 45 kg 87 87 86 85 84 83 82 81 80 79 78 77 75 74 73 72 71 70 69 68 67 66 64 63 62 61 60 59 57 56 50 49 48 47 46 44 43 42 41 40 38 37 36 35 34 33 31 30 29 28 27 26 24 23 22 21 20 15 kg 30 kg 45 kg 15T 15 kg 93 93 93 92 92 92 92 92 92 91 91 91 91 90 90 90 90 89 89 89 88 87 87 87 86 86 86 85 84 84 84 83 83 82 81 81 80 79 78 78 77 77 77 76 76 76 75 75 75 74 74 74 73 73 73 72 72 72 71 71 71 70 70 69 68 67 66 67 67 66 66 65 64 63 63 62 62 63 63 62 62 62 61 61 30T 30 kg 82 82 81 81 80 80 80 79 79 79 78 78 77 77 76 76 75 75 74 74 72 71 70 70 69 68 68 67 65 64 64 63 62 60 59 57 56 54 52 51 50 49 49 48 47 46 46 45 44 44 43 42 42 41 40 40 39 38 38 37 36 36 35 33 31 29 26 28 27 26 25 24 22 20 19 18 17 20 19 18 17 17 16 15 45T 45 kg 72 71 70 69 69 68 68 67 67 66 66 65 64 64 63 62 61 60 59 58 55 54 53 52 51 50 49 49 46 45 44 43 41 39 37 34 32 29 26 25 23 22 21 20 19 18 17 16 15 14 13 11 10 9 8 7 6 5 4 3 2 1 Shore 101.7 99.5 96.2 93.3 91.3 89.2 87.3 85.4 83.5 82.3 81.4 80.1 78.5 76.9 75.2 73.4 72.1 70.9 70.1 69.4 68.4 67.4 66 64.5 63.1 61.7 60.3 58.9 57.6 56.2 54.9 53.5 52.2 50.9 49.6 48.3 47 45.7 44.4 43.2 41.9 40.7 39.4 38.2 36.9 35.7 34.4 33.2 32.5 31.8 31.2 30.5 29.8 29.1 28.4 27.8 27.1 27 26 26 26 25 25 25 24 24 24 Equotip 550 The All-In-One Hardness Testing Solution ULTIMATE TENSILE Strength kpsi MPa kpsi 326 315 304 294 287 279 269 261 254 245 238 232 225 219 211 206 202 198 191 185 181 176 171 168 163 159 154 150 146 142 138 134 131 126 124 122 118 116 113 111 107 102 98 92 90 87 83 79 77 74 73 70 67 65 62 60 58 56 MPa 2295 2090 2045 1995 1975 1910 1850 1800 1780 1689 1650 1620 1600 1550 1456 1420 1392 1370 1317 1295 1240 1210 1175 1145 1120 1090 1060 1020 1012 975 955 933 900 869 855 840 814 798 780 770 738 703 676 632 615 600 572 545 530 510 503 Our Metal Core Competence The Equotip 550 is the most versatile portable solution for hardness testing combining Leeb with Portable Rockwell. • Portable Dynamic Hardness Testing • Portable Static Hardness Testing • Thickness Gauges The new generation Equotip Touchscreen interface is specifically designed to provide an exceptional user experience. The enhanced software provides interactive wizards, automatic verification processes, personalization options and custom report functions. Please contact your local Proceq representative for application related support or visit our website: www.proceq.com
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