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sklademVydáno: 2018-03-28
BS EN ISO 4545-3:2017
Metallic materials. Knoop hardness test Calibration of reference blocks
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| Označení normy: | BS EN ISO 4545-3:2017 |
| Počet stran: | 20 |
| Vydáno: | 2018-03-28 |
| ISBN: | 978 0 580 84282 5 |
| Status: | Standard |
DESCRIPTION
BS EN ISO 4545-3:2017
This standard BS EN ISO 4545-3:2017 Metallic materials. Knoop hardness test is classified in these ICS categories:
- 77.040.10 Mechanical testing of metals
This document specifies the method for the calibration of reference blocks to be used for the indirect verification of Knoop hardness testing machines as specified in ISO 4545‑2.
The method is applicable only for indentations with long diagonals ≥0,020 mm.