This part of ISO 6506 specifies a method for the calibration of reference blocks to be used in the indirect
verification of Brinell hardness testing machines as described in ISO 6506-2.
BS EN ISO 6506-3:2005 history
2014BS EN ISO 6506-3:2014 Metallic materials. Brinell hardness test. Calibration of reference blocks
2006BS EN ISO 6506-3:2005 Metallic materials - Brinell hardness test - Calibration of reference blocks
1999BS EN ISO 6506-3:1999 Metallic materials - Brinell hardness test - Calibration of reference blocks