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 W 0,020 mm.
ISO 6507-3:2005 history
2018ISO 6507-3:2018 Metallic materials - Vickers hardness test - Part 3: Calibration of reference blocks
2005ISO 6507-3:2005 Metallic materials - Vickers hardness test - Part 3: Calibration of reference blocks
1997ISO 6507-3:1997 Metallic materials - Vickers hardness test - Part 3: Calibration of reference blocks
1989ISO 6507-3:1989 Metallic materials; hardness test; Vickers test; part 3: less than HV 0,2