Reference number
ISO 4545-2:2017
© ISO 2025
International Standard
ISO 4545-2:2017
Metallic materials — Knoop hardness test — Part 2: Verification and calibration of testing machines
Edition 2
2017-12
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Published (Edition 2, 2017)
This publication was last reviewed and confirmed in 2023. Therefore this version remains current.

ISO 4545-2:2017

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CHF 98
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Abstract

ISO 4545-2:2017 specifies the method of verification and calibration of testing machines for determining Knoop hardness for metallic materials in accordance with ISO 4545‑1.

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.

General information

  • Status
     : Published
    Publication date
     : 2017-12
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 18
  • Technical Committee :
    ISO/TC 164/SC 3
    ICS :
    77.040.10 
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