Mitutoyo HM-200A Series - 9 Appendix; 9.1 Hardness related tables; 9.1.1 Mitutoyo hard (Mitutoyo Hard Steel Table)

No. 99MBG127A
9-1
9 Appendix
9.1 Hardness related tables
9.1.1 Mitutoyo hard (Mitutoyo Hard Steel Table)
HV HK HBS HS
TENS2
(MPa)
TENS HRA HRD HRC HR15N HR30N HR45N
1865 92.0 86.5 80.0 96.5 92.0 87.0
1787 91.5 85.5 79.0 96.2 91.5 86.5
1710 91.0 84.5 78.0 96.0 91.0 85.5
1633 90.5 84.0 77.0 95.7 90.5 84.5
1556 90.0 83.0 76.0 95.5 90.0 83.5
1478 89.5 82.5 75.0 95.2 89.0 82.5
1400 89.0 81.5 74.0 95.0 88.5 81.5
1323 88.5 81.0 73.0 94.7 88.0 80.5
1245 88.0 80.0 72.0 94.5 87.0 79.5
1160 87.0 79.5 71.0 94.2 86.5 78.5
1076 972 86.5 78.5 70.0 94.0 86.0 77.5
1004 946 86.0 78.0 69.0 93.5 85.0 76.5
940 920 85.6 76.9 68.0 93.2 84.4 75.4
900 895 95.2 85.0 76.1 67.0 92.9 83.6 74.2
865 870 93.1 84.5 75.4 66.0 92.5 82.8 73.3
832 846 90.0 83.9 74.5 65.0 92.2 81.9 72.0
800 822 88.9 83.4 73.8 64.0 91.8 81.1 71.0
772 799 87.0 82.8 73.0 63.0 91.4 80.1 69.9
746 776 85.2 82.3 72.2 62.0 91.1 79.3 68.8
720 754 83.3 81.8 71.5 61.0 90.7 78.4 67.7
697 732 614 81.6 2165 314 81.2 70.7 60.0 90.2 77.5 66.6
674 710 600 79.9 2110 306 80.7 69.9 59.0 89.8 76.6 65.5
653 690 587 78.2 2062 299 80.1 69.2 58.0 89.3 75.7 64.3
633 670 573 76.6 2006 291 79.6 68.5 57.0 88.9 74.8 63.2
613 650 560 75.0 1958 284 79.0 67.7 56.0 88.3 73.9 62.0
595 630 547 73.5 1910 277 78.5 66.9 55.0 87.9 73.0 60.9
577 612 534 71.9 1862 270 78.0 66.1 54.0 87.4 72.0 59.8
560 594 522 70.4 1813 263 77.4 65.4 53.0 86.9 71.2 58.6
544 576 509 69.0 1765 256 76.8 64.6 52.0 86.4 70.2 57.4
528 558 496 67.6 1724 250 76.3 63.8 51.0 85.9 69.4 56.1
513 542 484 66.2 1675 243 75.9 63.1 50.0 85.5 68.5 55.0
498 526 472 64.7 1627 236 75.2 62.1 49.0 85.0 67.6 53.8
484 510 460 63.4 1586 230 74.7 61.4 48.0 84.5 66.7 52.5
471 495 448 62.1 1538 223 74.1 60.8 47.0 83.9 65.8 51.4
458 480 437 60.8 1496 217 73.6 60.0 46.0 83.5 64.8 50.3
Hard Steel