I.S. EN ISO 4545-1:2018
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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METALLIC MATERIALS - KNOOP HARDNESS TEST - PART 1: TEST METHOD (ISO 4545-1:2017)
Hardcopy , PDF
12-10-2023
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.
Dates of withdrawal of national standards are available from NSAI.
National Foreword
European foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Symbols and designations
6 Testing machine
7 Test piece
8 Procedure
9 Uncertainty of the results
10 Test report
Annex A (normative) - Procedure for periodic checking of
the testing machine, diagonal measuring system and
the indenter by the user
Annex B (informative) - Uncertainty of the measured hardness values
Annex C (informative) - Knoop hardness measurement traceability
Annex D (informative) - CCM - Working group on hardness
Annex E (informative) - Adjustment of Koehler illumination systems
Bibliography
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