Hardness Conversion CalculatorBrinell Hardness Rockwell Hardness Tensile Strength Mpa (Approximate) Tungsten Carbide Ball 3000 KG A Scale 60KG B Scale 100KG C Scale 150KG - 85.6 - 68.0 - - 85.3 - 67.5 - - 85.0 - 67.0 - 767 84.7 - 66.4 - 757 84.4 - 65.9 - 745 84.1 - 65.3 - 733 ...
Similarly, 81 HR 30 N indicates a Rockwell hardness number of 81 on the Rockwell 30 N scale. Rockwell hardness tests are used for determining the hardness of most metals and alloys, ranging from the softest bearing materials to the hardest steels. 1.2 Brinell Hardness Testing The Brinell ...