BS-EN-ISO-5817-2007.pdf
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1、BRITISH STANDARD BS EN ISO 5817:2007 Welding Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) Quality levels for imperfections The European Standard EN ISO 5817:2007 has the status of a British Standard ICS 25.160.40 ? BS EN ISO 5817:2007 This British Standard
2、 was published under the authority of the Standards Policy and Strategy Committee on 31 August 2007 BSI 2007 ISBN 978 0 580 56192 4 National foreword This British Standard is the UK implementation of EN ISO 5817:2007. It supersedes BS EN ISO 5817:2003 which is withdrawn. The UK participation in its
3、preparation was entrusted to Technical Committee WEE/-/1, Briefing committee for welding. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible
4、for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 5817 August 2007 ICS 25.160.40Supersedes EN ISO 5817:2003 English Version
5、Welding - Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) - Quality levels for imperfections (ISO 5817:2003, corrected version:2005, including Technical Corrigendum 1:2006) Soudage - Assemblages en acier, nickel, titane et leurs alliages souds par fusion (sou
6、dage par faisceau exclu) - Niveaux de qualit par rapport aux dfauts (ISO 5817:2003, version corrige:2005, Corrigendum Technique 1:2006 inclus) Schweien - Schmelzschweiverbindungen an Stahl, Nickel, Titan und deren Legierungen (ohne Strahlschweien) - Bewertungsgruppen von Unregelmigkeiten (ISO 5817:2
7、003, korrigierte Fassung:2005, einschlielich Technisches Corrigendum 1:2006) This European Standard was approved by CEN on 18 July 2007. 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
8、 standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any
9、other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Esto
10、nia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EURO
11、PISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2007 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 5817:2007: E Foreword The text of ISO 5817:2003, corrected version:2005, including Technical
12、Corrigendum 1:2006 has been prepared by Technical Committee ISO/TC 44 “Welding and allied processes” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 5817:2007 by Technical Committee CEN/TC 121 “Welding“, the secretariat of which is held by DIN. This Euro
13、pean Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2008, and conflicting national standards shall be withdrawn at the latest by February 2008. This document supersedes EN ISO 5817:2003. According to
14、the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithu
15、ania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of ISO 5817:2003, corrected version:2005, including Technical Corrigendum 1:2006 has been approved by CEN as EN ISO 5817:2007 withou
16、t any modifications. EN ISO 5817:2007 Reference number ISO 5817:2003(E) INTERNATIONAL STANDARD ISO 5817 Second edition 2003-10-01 Corrected version 2005-11-01 Welding Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) Quality levels for imperfections Soudage Ass
17、emblages en acier, nickel, titane et leurs alliages souds par fusion (soudage par faisceau exclu) Niveaux de qualit par rapport aux dfauts EN ISO 5817:2007 ii iii Contents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references. 2 3 Terms and definitions. 2 4 Symbols. 3 5 Assessment of im
18、perfections 4 Annex A (informative) Examples of determination of percentage (%) porosity 22 Annex B (informative) Additional information and guidelines for use of this International Standard 24 Bibliography. 25 EN ISO 5817:2007 iv Foreword ISO (the International Organization for Standardization) is
19、a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represent
20、ed on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are dra
21、fted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International St
22、andard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 5817 was prepared
23、by Technical Committee ISO/TC 44, Welding and allied processes, Subcommittee SC 10, Unification of requirements in the field of metal welding. This second edition cancels and replaces the first edition (ISO 5817:1992), which has been technically revised. Extensive editorial and technical changes hav
24、e been made throughout this corrected version. For example, the first paragraph of the Scope has been modified. EN ISO 5817:2007 v Introduction This International Standard should be used as a reference in the drafting of application codes and/or other application standards. It contains a simplified
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