Foreword
1 Scope
2 Normative references
3 General conditions
4 Direct verification of the testing machine
5 Indirect verification of the testing machine
6 Calibration and verification of Rockwell hardness indenters
7 Intervals between direct and indirect calibrations and
verifications
8 Verification report
Annex A (normative) - Repeatability of testing machines
Annex B (informative) - Uncertainty of measurement of the
calibration results of the hardness testing machine
Bibliography