BS EN ISO 6507-3:2018
$102.76
Metallic materials. Vickers hardness test – Calibration of reference blocks
| Published By | Publication Date | Number of Pages |
| BSI | 2018 | 22 |
This document 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 ≥0,020 mm.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 4 | undefined |
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions 4 Manufacture of reference blocks 4.1 General 4.2 Thickness 4.3 Test surface area |
| 8 | 4.4 Magnetism 4.5 Flatness and parallelism 4.6 Surface roughness 4.7 Prevention of the regrind of the test surface 5 Calibration machine 5.1 General 5.2 Direct verification 5.3 Traceability of verification instruments |
| 9 | 5.4 Test force 5.5 Indenter |
| 10 | 5.6 Diagonal measuring system |
| 11 | 6 Calibration procedure 7 Number of indentations |
| 12 | 8 Uniformity of hardness 8.1 Relative non-uniformity |
| 13 | 8.2 Uncertainty of measurement 9 Marking 10 Calibration certificate |
| 14 | 11 Validity |
| 15 | Annex A (informative) Uncertainty of the mean hardness value of hardness reference blocks |
| 20 | Annex B (informative) Adjustment of Köhler illumination systems |
| 21 | Bibliography |
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BS EN ISO 6507-3:2018 – TC:2020 Edition
Tracked Changes. Metallic materials. Vickers hardness test – Calibration of reference blocks Published By Publication…
