NF EN ISO 6508-3

NF EN ISO 6508-3

March 2006
Standard Cancelled

Metallic materials - Rockwell hardness test - Part 3 : calibration of reference blocks (scales A, B, C, D, E, F, G, H, K, N, T)

ISO 6508-3:2005 specifies a method for the calibration of reference blocks to be used for the indirect verification of Rockwell hardness testing machines (scales A, B, C, D, E, F, G, H, K, N, T), as specified in ISO 6508-2.

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Main informations

Collections

National standards and national normative documents

Publication date

March 2006

Number of pages

20 p.

Reference

NF EN ISO 6508-3

ICS Codes

77.040.10   Mechanical testing of metals

Classification index

A03-153-3

Print number

1 - 10/03/2006

International kinship

ISO 6508-3:2005

European kinship

EN ISO 6508-3:2005
Sumary
Metallic materials - Rockwell hardness test - Part 3 : calibration of reference blocks (scales A, B, C, D, E, F, G, H, K, N, T)

ISO 6508-3:2005 specifies a method for the calibration of reference blocks to be used for the indirect verification of Rockwell hardness testing machines (scales A, B, C, D, E, F, G, H, K, N, T), as specified in ISO 6508-2.

Replaced standards (1)
NF EN ISO 6508-3
October 1999
Standard Cancelled
Metallic materials. Rockwell hardness test. Part 3 : calibration of reference blocks (scales A, B, C, D, E, F, G, H, K, N, T)

Le présent document définit la méthode d'étalonnage des blocs de référence de dureté à utiliser pour la vérification indirecte des machines de dureté Rockwell (échelles A, B, C, D, E, F, G, H, K, N, T). Il définit également les caractéristiques géométriques et physiques des blocs ainsi que les conditions d'uniformité auxquelles ils doivent répondre.

Standard replaced by (1)
NF EN ISO 6508-3
April 2015
Standard Cancelled
Metallic materials - Rockwell hardness test - Part 3 : calibration of reference blocks

ISO 6508-3:2015 specifies a method for the calibration of reference blocks to be used for the indirect and daily verification of Rockwell hardness testing machines, as specified in ISO 6508‑2:2015. Attention is drawn to the fact that the use of hard metal for ball indenters is considered to be the standard type of Rockwell indenter ball. Steel indenter balls can be used only when complying with ISO 6508‑1:2015, Annex A.

Table of contents
  • Avant-propos
    iv
  • Introduction
    v
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Fabrication des blocs de référence
    1
  • 4 Machine d'étalonnage
    2
  • 5 Mode opératoire d'étalonnage
    3
  • 6 Nombre d'empreintes
    4
  • 7 Uniformité de la dureté
    4
  • 8 Marquage
    5
  • 9 Validité
    6
  • Annexe A (normative) Uniformité des blocs de référence
    7
  • Annexe B (informative) Incertitude de la valeur moyenne de dureté des blocs de référence de dureté
    9
  • Bibliographie
    12
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