... .2, GB/T 231.2, ISO6506-2, ISO6507-2, ASTM E92 and ASTM E10 It's suitable to determine the Vickers hardness ... of steel, non-ferrous metals, ceramics, treated layers of metal surface, ... , 30kgf) Max. height of test piece: 130mm Depth of throat: 100mm Magnifications of the measuring system: 500X, 125X Min. scale value of the optical micrometer ...