This International Standard specifies a method for the calibration of standardized blocks to be used in Brinell hardness testing machines, for the indirect verification of these machines, as described in ISO 156
SANS 119:1982 history
0000 SANS 6506-3-2003
1982SANS 119:1982 Metallic materials - Hardness test - Calibration of standardized blocks to be used for Brinell hardness testing machines