ISO 4545-3:2005, Metallic materials - Knoop hardness test - Part 3: Calibration of reference blocks

ISO 4545-3:2005 specifies the method for the calibration of reference blocks to be used for the indirect verification of Knoop hardness testing machines as specified in ISO 4545-2. The method is applicable only for indentations with long diagonals greater than or equal to 0,020 mm. This title may contain less than 24 pages of technical content.