This part of ISO 6506 specifies a method for the calibration of reference blocks which are intended for use in the indirect verification of Brinell hardness testing machines as described in ISO 6506-2.
ISO 6506-3:1999 history
2014ISO 6506-3:2014 Metallic materials — Brinell hardness test — Part 3: Calibration of reference blocks
2005ISO 6506-3:2005 Metallic materials - Brinell hardness test - Part 3: Calibration of reference blocks
1999ISO 6506-3:1999 Metallic materials - Brinell hardness test - Part 3: Calibration of reference blocks