ISSN 0335-3931
European standard
French standard
Steels
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.
Correspondence
The European Standard EN ISO 2639:2002 has the status of French standard. It reproduces in full the international standard ISO 2639:2002.
Analysis
This document defines the depth of carburized and hardened cases and describes the methods used to determine and verify this depth in the steel.
Descriptors
Technical International Thesaurus: iron-and steel products, steels, cementation, depth, measurement, physical tests, hardness tests, verification.
Modifications
Adoption of the European standard with respect to the document replaced.
Corrections
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 — www.afnor.fr
© AFNOR 2003
AFNOR 2003
1st issue 2003-02-P
NF EN ISO 2639:2003
—2—
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
References: 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