1、ICS 77.040.99Stahl Bestimmung und Prfung der Einsatzhrtungstiefe(ISO 2639 : 2002)European Standard EN ISO 2639 : 2002 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been published in accordance with a decision taken by ECISS/TC 2 to adopt, w
2、ithoutalteration, International Standard ISO 2639 as a European Standard.The responsible German body involved in its preparation was the Normenausschuss Werkstofftechnologie(Materials Technology Standards Committee).DIN EN ISO 6507-1 is the standard corresponding to International Standard ISO 6507-1
3、 referred to inclause 2 of the EN.AmendmentsDIN 50190-1, November 1978 edition, has been superseded by the specifications of EN ISO 2639, which isidentical to ISO 2639.Previous editionsDIN 50190-1: 1972-12, 1978-11.National Annex NAStandard referred to(and not included in Normative references and An
4、nex ZA)DIN EN ISO 6507-1 Metallic materials Vickers hardness test Part 1: Test method (ISO 6507-1 : 1997)Ref. No. DIN EN ISO 2639 : 2003-04English price group 08 Sales No. 110808.03DEUTSCHE NORMEN ISO 2639EN comprises 6 pages. No part of this standard may be reproduced without the prior permission o
5、fDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).SteelDetermination and verification of the depth of carburizedand hardened cases(ISO 2639 : 2002)English version of DIN EN ISO 2639April 2003Su
6、persedes DIN 50190-1,November 1978 edition.English versionICS 77.040.99Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr Normung 2002. CEN All rights of exploitation in any form and by any meansreserved wo
7、rldwide for CEN national members.Ref. No. EN ISO 2639 : 2002 EAcier Dtermination et vrificationde la profondeur de cmentation(ISO 2639 : 2002)Stahl Bestimmung und Prfung derEinsatzhrtungstiefe (ISO 2639 : 2002)This European Standard was approved by CEN on 2002-10-15.CEN members are bound to comply w
8、ith the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Centre
9、 or to any CENmember.The European Standards exist in three official versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.C
10、EN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, Malta, the Netherlands, Norway, Portugal, Spain, Sweden, Switzer-land, and the United Kingdom.EN ISO 2639November 2002SteelDetermination
11、 and verification of the depth of carburized and hardened cases(ISO 2639 : 2002)Page 2EN ISO 2639 : 2002ForewordInternational StandardISO 2639 : 2002 Steel Determination and verification of the depth of carburized and hardened cases,which was prepared by ISO/TC 17 Steel of the International Organiza
12、tion for Standardization, has beenadopted by Technical Committee ECISS/TC 2 Steel Physico-chemical and non-destructive testing, theSecretariat of which is held by AFNOR, as a European Standard.This European Standard shall be given the status of a national standard, either by publication of an identi
13、caltext or by endorsement, and conflicting national standards withdrawn, by March 2003 at the latest.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of the follow-ing countries are bound to implement this European Standard:Austria, Belgium, the Czech Rep
14、ublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, Malta, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom.Endorsement noticeThe text of the International Standard ISO 2639 : 2002 was approved by CEN as a European Standard withoutany modification.NOTE: Normative references to international publications are listed in Annex ZA (normative).Page 3EN ISO 2639 : 2002Page 4EN ISO 2639 : 2002Page 5EN ISO 2639 : 2002Page 6EN ISO 2639 : 2002
