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  • BSI
    BS EN ISO 4545-1:2023 - TC Tracked Changes. Metallic materials. Knoop hardness test - Test method
    Edition: 2023
    $620.36
    / user per year

Description of BS EN ISO 4545-1:2023 - TC 2023

ISO 4545-1:2017 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 ≥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.

Standard NumberBS EN ISO 4545-1:2023 - TC
TitleTracked Changes. Metallic materials. Knoop hardness test - Test method
StatusDefinitive
Publication Date2023-10-26
ReplacesBS EN ISO 4545-1:2018 - TC
DescriptorsTest specimens, Testing conditions, Metals, Hardness measurement, Hardness testing, Hardness, Knoop hardness measurement, Force, Error correction
ICS77.040.10 Mechanical testing of metals
CommitteeISE/101/5
ISBN978 0 539 29032 5
PublisherBSI
Pages81

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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