NF EN ISO 6506-2

NF EN ISO 6506-2

December 2018
Standard Current

Metallic materials - Brinell hardness test - Part 2 : verification and calibration of testing machines

ISO 6506-2:2017 specifies methods of direct and indirect verification of testing machines used for determining Brinell hardness in accordance with ISO 6506‑1 and also specifies when these two types of verification have to be performed. The direct verification involves checking that individual machine performance parameters fall within specified limits whereas the indirect verification utilizes hardness measurements of reference blocks, calibrated in accordance with ISO 6506‑3, to check the machine's overall performance. If a testing machine is also to be used for other methods of hardness testing, it has to be verified independently for each method. ISO 6506-2:2017 is applicable to both fixed location and portable hardness testing machines. For machines that are incapable of satisfying the specified force-time profile, the direct verification of force and testing cycle can be modified by the use of Annex B.

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Main informations

Collections

National standards and national normative documents

Publication date

December 2018

Number of pages

24 p.

Reference

NF EN ISO 6506-2

ICS Codes

77.040.10   Mechanical testing of metals

Classification index

A03-152-2

Print number

1

International kinship

ISO 6506-2:2017

European kinship

EN ISO 6506-2:2018
Sumary
Metallic materials - Brinell hardness test - Part 2 : verification and calibration of testing machines

ISO 6506-2:2017 specifies methods of direct and indirect verification of testing machines used for determining Brinell hardness in accordance with ISO 6506‑1 and also specifies when these two types of verification have to be performed.

The direct verification involves checking that individual machine performance parameters fall within specified limits whereas the indirect verification utilizes hardness measurements of reference blocks, calibrated in accordance with ISO 6506‑3, to check the machine's overall performance.

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

ISO 6506-2:2017 is applicable to both fixed location and portable hardness testing machines. For machines that are incapable of satisfying the specified force-time profile, the direct verification of force and testing cycle can be modified by the use of Annex B.

Replaced standards (1)
NF EN ISO 6506-2
November 2014
Standard Cancelled
Metallic materials - Brinell hardness test - Part 2 : verification and calibration of testing machines

<p>ISO 6506-2:2014 specifies methods of direct and indirect verification of testing machines used for determining Brinell hardness in accordance with ISO 6506‑1, and also specifies when these two types of verification has to be performed.</p> <p>The direct verification involves checking that individual machine performance parameters fall within specified limits whereas the indirect verification utilizes hardness measurements of reference blocks, calibrated in accordance with ISO 6506‑3, to check the machine's overall performance.</p> <p>If a testing machine is also to be used for other methods of hardness testing, it has to be verified independently for each method.</p> <p>ISO 6506-2:2014 is applicable to both fixed location and portable hardness testing machines. For machines that are incapable of satisfying the specified force-time profile, the direct verification of force and testing cycle can be modified by the use of Annex B.</p>

Table of contents
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  • Avant-propos
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Conditions générales
  • 5 Vérification directe
  • 6 Vérification indirecte
  • 7 Intervalles entre les vérifications
  • 8 Rapport de vérification/certificat d'étalonnage
  • Annexe B (normative) Vérification des machines d'essai de dureté qui ne peuvent pas satisfaire le profil force/temps spécifié
  • Annexe A (informative) Incertitude de mesure des résultats de la vérification de la machine d'essai de dureté
  • Bibliographie
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