Case Depth Determination

Topics: Rockwell scale, Vickers hardness test, International Organization for Standardization Pages: 11 (2060 words) Published: May 2, 2013
pth dFE046245

ISSN 0335-3931

European standard
French standard

NF EN ISO 2639
February 2003
Classification index: A 04-202

ICS: 77.040.99

Determination and verification of the depth of carburized and hardened cases F : Acier — Détermination et vérification de la profondeur de cémentation D : Stahl — Bestimmung und Prüfung der Einsatzhärtungstiefe

© AFNOR 2003 — All rights reserved

French standard approved
by decision of the Director General of AFNOR on January 20, 2003 taking effect on February 20, 2003. Replaces the approved standard NF A 04-202, dated September 1984.


The European Standard EN ISO 2639:2002 has the status of French standard. It reproduces in full the international standard ISO 2639:2002.


This document defines the depth of carburized and hardened cases and describes the methods used to determine and verify this depth in the steel.


Technical International Thesaurus: iron-and steel products, steels, cementation, depth, measurement, physical tests, hardness tests, verification.


Adoption of the European standard with respect to the document replaced.

Published and distributed by Association Française de Normalisation (AFNOR — French standard institute) — 11, avenue Francis de Pressensé — 93571 Saint-Denis La Plaine Cedex — Tel.: + 33 (0)1 41 62 80 00 — Fax: + 33 (0)1 49 17 90 00 —

© AFNOR 2003

AFNOR 2003

1st issue 2003-02-P

NF EN ISO 2639:2003


National foreword
References to French standards The correspondence between the standards figuring in the clause "Normative references" and the identical French standards is as follows: ISO 6507-1 : NF EN ISO 6507-1 (classification index: A 03-154-1)

The other standard mentioned in the clause "Normative references" that does not have any correspondence in the collection of French standards is as follows (it may be obtained from AFNOR): ISO 4545

ICS 77.040.99

EN ISO 2639

November 2002

English version

Steels - Determination and verification of the depth of carburized and hardened cases (ISO 2639:2002) Acier - Détermination et vérification de la profondeur de cémentation (ISO 2639:2002) Stahl - Bestimmung und Prüfung der Einsatzhärtungstiefe (ISO 2639:2002)

This European Standard was approved by CEN on 15 October 2002. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.


Management Centre: rue de Stassart, 36

B-1050 Brussels

© 2002 CEN

All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.

Ref. No. EN ISO 2639:2002 E

EN ISO 2639:2002 (E)

CORRECTED 2002-12-18

This document (EN ISO 2639:2002) has been prepared by Technical Committee ISO/TC 17 "Steel" in collaboration with Technical Committee ECISS/TC 2 "Steel - Physico-chemical and non-destructive testing", the secretariat of which is held by AFNOR. This European Standard shall be given the...
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