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ISO 6507-3:2018
Metallic materials - Vickers hardness test - Part 3: Calibration of reference blocksstandard by International Organization for Standardization, 01/01/2018
ISO 6507-3:2018 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 0,020 mm.
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