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STANDARD

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ÖNORM EN ISO 4545-1

Issue date: 2018 09 15

Metallic materials - Knoop hardness test - Part 1: Test method (ISO 4545-1:2017)

This document specifies the Knoop hardness test method for metallic materials for test forces from 0,009 807 N to 19,613 N. The Knoop hardness test is specified in this document for lengths of indentation diagonals greater than or equal 0,020 mm. Using this method to determine Knoop hardness from smaller indentations is outside the scope of this document as results would suffer from large uncertainties due to the limitations of optical measurement and imperfections in tip geometry. ISO 14577-1 allows the determination of hardness from smaller indentations. A periodic verification method is specified for routine checking of the testing machine in service by the user. Special considerations for Knoop testing of metallic coatings can be found in ISO 4516.

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General information on ÖNORM EN ISO 4545-1

Format

Digital | 31 Pages

Language

German | English | Download GER/ENG

Publisher

Austrian Standards International

Committee 021 Iron and steel

Timeline

An overview of the development of ÖNORM EN ISO 4545-1 from 2006 til today.

• ÖNORM EN ISO 4545-1

  2024 01 01 Standard ÖNORM EN ISO 4545-1, Edition: 2024 01 01

  Metallic materials - Knoop hardness test - Part 1: Test method (ISO 4545-1:2023)
• ÖNORM EN ISO 4545-1

  2018 09 15 Standard ÖNORM EN ISO 4545-1, Edition: 2018 09 15

  Metallic materials - Knoop hardness test - Part 1: Test method (ISO 4545-1:2017)
• ÖNORM EN ISO 4545-1

  2006 03 01 Standard ÖNORM EN ISO 4545-1, Edition: 2006 03 01

  Metallic materials - Knoop hardness test - Part 1: Test method (ISO 4545-1:2005)

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Frequently Asked Questions about ÖNORM EN ISO 4545-1

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Normative References

Here you will find an extract of the normative references. Please refer to the document itself for the full list.

Dokumentnummer	Titel	Ausgabedatum	Art	Link
Dokumentnummer ISO 4545-2:2017	Titel Metallic materials — Knoop hardness test — Part 2: Verification and calibration of testing machines	Ausgabedatum 2017 12 14	Art Standard	Zur Produktseite
Dokumentnummer ISO 4545-3:2017	Titel Metallic materials — Knoop hardness test — Part 3: Calibration of reference blocks	Ausgabedatum 2017 12 14	Art Standard	Zur Produktseite

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