BS EN 2574-1990 Specification for welds - Information on drawings《焊接规范 图纸上的数据》.pdf

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1、BRITISH STANDARD AEROSPACE SERIES BSEN 2574:1990 Specification for Welds Information on drawings This European Standard EN 2574 has the status of a British Standard.BSEN2574:1990 This British Standard was published under the authorityofthe Board of BSIandcomes into effect on 31 December 1990 BSI 09-

2、1999 The following BSI references relate to the work on this standard: Committee reference ACE/- Draft for comment 88/78238 DC ISBN 0 580 19074 9 Cooperating organizations The European Committee for Standardization, under whose supervision this European Standard was prepared, comprises the national

3、standards organizations of the following Western European countries. Austria Oesterreichisches Normungsinstitut Belgium Institut belge de normalisation Denmark Dansk Standardiseringsraad Finland Suomen Standardisoimisliito, r.y. France Association franaise de normalisation Germany Deutsches Institut

4、 fr Normung e.V. Greece Hellenic Organization for Standardization Iceland Technological Institute of Iceland Ireland National Standards Authority of Ireland Italy Ente Nazionale Italiano di Unificazione Luxemburg Inspection du Travail et des Mines Netherlands Nederlands Normalisatie-instituut Norway

5、 Norges Standardiseringsforbund Portugal Instituto Portugus da Qualidade Spain Asociacin Espaola de Normalizacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerland Association suisse de normalisation United Kingdom British Standards Institution Amendments issued since publicati

6、on Amd. No. Date of issue CommentsBSEN2574:1990 BSI 09-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Brief history 2 Text of EN 2574 3 National appendix A Inside back cover National appendix B Inside back coverBSEN2574:1990 ii BSI 09-1999 National foreword Th

7、is British Standard has been prepared under the direction of the Aerospace Standards Policy Committee and is the English language version of EN2574 “Aerospace series. Welds. Information on drawings”, published by the European Committee for Standardization (CEN). EN 2574 was produced as a result of i

8、nternational discussion in which the UK took an active part. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from

9、 legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theEN title page, pages 2 to 4, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicat

10、ed in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2574 June 1990 UDC: 621.791.053:744.4:629.7 Key words: Aircraft industry, welded joints, technical drawings, information, specifications English version Aerospace series Welds Information on draw

11、ings Srie arospatiale Soudures Informations sur les dessins Luft- und Raumfahrt Schweinhte Angaben in Zeichnungen This European Standard was accepted by CEN on 1989-11-09. CEN members are bound to comply with the requirements of CEN Internal Regulations which stipulate the conditions for giving this

12、 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 CEN Central Secretariat or to any CEN member. This European Standard exists in three official versions

13、 (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 CEN Central Secretariat has the same status as the official versions. CEN members are the national standards organizations of Austria, Belgiu

14、m, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxemburg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassar

15、t 36, B-1050 Brussels CEN 1990 Copyright reserved to all CEN members Ref. No. EN 2574:1990 EEN2574:1990 BSI 09-1999 2 Brief history This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordance with the ru

16、les of this Association, this Standard has successively received the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. According to the Common CEN/CENELEC Rules, the following countries are bound to implement this Euro

17、pean Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxemburg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. Contents Page Brief history 2 0 Introduction 3 1 Scope and field of application 3 2 References 3 3 Indications

18、on drawings 3EN2574:1990 BSI 09-1999 3 0 Introduction In aerospace construction it is necessary to define additional requirements to ISO2553 for welding. 1 Scope and field of application This standard specifies the indications to be shown on drawings or other documents dealing with welding of metall

19、ic materials in aerospace industries. 2 References ISO 2553:1984, Welds Symbolic representation on drawings. ISO 4063:1978, Welding, brazing, braze welding and soldering of metals List of processes, for symbolic representation on drawings. 3 Indications on drawings 3.1 Symbolic representation In con

20、formity with ISO2553. This standard shall be called up either on the drawing or other documents. 3.2 Other indications Drawings of welded assemblies shall give, either directly, or by reference to other documents, all the necessary instructions: for defining precisely the requirements for preparatio

21、n and carrying out of the weld, for acceptance of the welds by the appropriate authorities. This information includes: location of the weld and (if necessary) the spacing or pitch, the welding process as per ISO 4063 or by reference to a document defining the process or processes, the dimensions of

22、the weld, indication of the minimum physical properties of the weld and/or the welded parts after welding, the preparation of the edges (unless covered by the welding process), classification of the weld (in accordance with the regulations in force), indication of type of welding rod, if any (unless

23、 covered by the welding process), the designation of the materials of the parts to be assembled (in accordance with existing rules), heat treatment after welding, acceptance test procedure for welds.4 blankBSEN2574:1990 BSI 09-1999 National appendix A The United Kingdom participation in the preparat

24、ion of this European Standard was entrusted by the Aerospace Standards Policy Committee (ACE/-) to Technical Committee ACE/-/1 upon which the following bodies were represented: British Airways Civil Aviation Authority (Airworthiness Division) Ministry of Defence Society of British Aerospace Companie

25、s Ltd. National appendix B The British Standards corresponding to the International Standards referred to in the text are as follows: Related British Standards to ISO 2553 are BS499 “Welding terms and symbols” Part 2:1980 “Specification for symbols for welding” and Part 2C:1980 “Welding symbols”. In

26、ternational Standard Corresponding British Standard ISO 4063:1978 BS 499 Welding terms and symbols Part 2:1980 Specification for symbols for welding (Technically equivalent)BS EN 2574:1990 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body re

27、sponsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amend

28、ments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which can be fou

29、nd on the inside front cover. Tel:02089969000. Fax:02089967400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications s

30、hould be addressed to Customer Services. Tel:02089969001. Fax:02089967001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as BritishStandards, unless otherwise requested. Information on standards BSI provides a w

31、ide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel:02089967

32、111. Fax:02089967048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel:02089967002. Fax:02089967001. Copyright Copyright subs

33、ists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by an

34、y means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel:02089967070.

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