Metallic materials. Knoop hardness test Verification and calibration of testing machines

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

27-03-2018

Publisher

British Standards Institution

Committee	ISE/101/5
DocumentType	Standard
Pages	26
PublisherName	British Standards Institution
Status	Current
Supersedes	BS EN ISO 4545-2:2005

This document specifies the method of verification and calibration of testing machines for determining Knoop hardness for metallic materials in accordance with ISO4545‑1.

A direct method of verification and calibration is specified for the testing machine, indenter, and the diagonal length measuring system. An indirect verification method using reference blocks is specified for the overall checking of the machine.

If a testing machine is also to be used for other methods of hardness testing, it will be verified independently for each method.

Standards	Relationship
ISO 4545-2:2017	Identical
EN ISO 4545-2:2018	Identical

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BS EN ISO 4545-2:2017

Metallic materials. Knoop hardness test Verification and calibration of testing machines

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Scope

International Equivalents

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Subcategory