I.S. EN ISO 4545-3:2018
Current
METALLIC MATERIALS - KNOOP HARDNESS TEST - PART 3: CALIBRATION OF REFERENCE BLOCKS (ISO 4545-3:2017)
Hardcopy , PDF
English
01-01-2018
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
European foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Manufacture of the reference block
5 Calibration machine
6 Calibration procedure
7 Number of indentations
8 Uniformity of hardness
9 Marking
10 Calibration certificate
11 Validity
Annex A (informative) - Adjustment of Koehler illumination
systems
Annex B (informative) - Uncertainty of mean hardness
value of hardness-reference blocks
Bibliography
Provides 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.
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 4545-3:2005 | Identical |
| DIN EN ISO 4545-3:2015-05 (Draft) | Identical |
| EN ISO 4545-3:2018 | Identical |
| ISO 4545-3:2017 | Identical |
| NBN EN ISO 4545-3 : 2006 | Identical |
| BS EN ISO 4545-3:2005 | Identical |
| DIN EN ISO 4545-3:2018-07 | Equivalent |
| UNE-EN ISO 4545-3:2018 | Equivalent |
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