![]() Hardness and tensile strength do not apply to nonferrous metals, with the possible exception of certain aluminum alloys. The above formulas give the tensile strength in pounds per square inch for steels. Tensile strength = Bhn × 490 (for Brinell numbers larger than 175) Tensile strength = Bhn × 515 (for Brinell numbers up to 175) ![]() ![]() These Conversion Tables presents data in the Rockwell A, B, C, D, E and F hardness range on the relationship among Brinell hardness, Vickers hardness, Rockwell superficial, hardness, and Shore Scleroscope hardness of nonaustenitic steels including carbon, alloy, and tool steels in the as-forged, annealed, normalized, and quenched and tempered conditions provided that they are homogeneous.įor plain carbon steels, the approximate relationship between the hardness and tensile strength is: Brinell and Rockwell Hardness Conversion Table Chart Vickers Hardness Number HV, Rockwell C Scale Hardness HRC, Vickers Hardness 900 890 880 870 860 850 840 830 820 810 800 790 780 770 760 750 740 730, 66.5 66. 1.10 Conversion Table 10 presents data in the Rockwell C hardness range on the relationship among Leeb (Type D) hardness, Brinell hardness, Vickers hardness.
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