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DIN EN ISO 6507-3:2018
Metallic materials - Vickers hardness test - Part 3: Calibration of reference blocks (ISO 6507-3:2018); German version EN ISO 6507-3:2018
This part of ISO 6507 specifies a method for the calibration of reference blocks to be used for the indirect verification of Vickers hardness testing machines, as specified in ISO 6507-2. The method is applicable only for indentations with diagonals
Deutsches Institut für Normung [din]