EN 2046-2001 en Aerospace Series - Hexagonal Bars Drawn in Aluminium and Aluminium Alloys - Tolerance Class h 11 - Width Across Flats 7 mm Less Than or Equal to a Less Than or Equa.pdf

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1、BRITISH STANDARD AEROSPACE SERIES Hexagonal bars, drawn, o 4 o o i in aluminium and aluminium alloys Tolerance class h 11 Width across flats 7rnrn1 as 50rnrn Dimensions The European Standard EN 2046:2001 has the status of a British Standard ICs 49.025.20; 49.035 BS EN 2046:2001 NO COPYING WITHOUT BS

2、I PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 2046:2001 Amd. No. National foreword Date Comments This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy C

3、ommittee on 24 December 2001 This British Standard is the official English language version ofEN 2046:200 1. The UKparticipation in its preparation was entrusted to Technical Committee ACE/61, Inspection and testing requirements for aerospace metallic materials, which has the responsibility to: - -

4、aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. - A list of organizations repre

5、sented on this committee can be obtained on request to its secretary. Cr oss-r e fer enc e s The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Corre

6、spondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. 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 no

7、t of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 6, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. O

8、BSI 24 December 2001 ISBN O 580 37990 6 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2046 December 2001 ICs 49.025.20 English version Aerospace series - Hexagonal bars, drawn in aluminium and aluminium alloys - Tolerance class h 11 - Width across flats 7 mm I a I50 mm - Dimensions Srie arosp

9、atiale - Barres hexagonales, tires en aluminium et alliages daluminium - Classe de tolrance h 11 - Surplats 7 mm 6 O00 Table 2 Tolerances +6 0 + 10 0 Dimensions in millimetres I Width across flats I Tolerance class I Width across flats 7a 8 8a 40 40a 50 Corner radii r 0,2 0,4 0,6 5.1.2 Length See ta

10、ble 3, only applicable to bars supplied in fixed lengths. Table 3 5.1.3 Corner rad i i See table 4. Table 4 5.2 Geometric tolerances 5.2.1 Straightness 5.2.1.1 See EN 3848. Method of measurement and symbols 5 EN 2046:2001 (E) Width across flats 7a50 5.2.1.2 Tolerances See table 5. Straightness devia

11、tion: V, per metre Y, on any length X2 a 2 0,6 Table 5 Width across flats 7a30 30 a 50 Dimensions in millimetres Twist v: per metre 1,5 3 2 4 on total length a 5.2.2 Twist 5.2.2.1 See EN 3848. Method of measurement and symbol 5.2.2.2 Tolerances See table 6. Table 6 5.2.3 Surface flatness 5.2.3.1 Met

12、hod of measurement See EN 3848. 5.2.3.2 Tolerances The surface flatness tolerance shall be included in the width across flats tolerances. 6 BS EN 2046:2001 BSI 389 Chiswick High Road Lon don w4 4AL BSI is the independent national body responsible for preparing British Standards. It presents the UK v

13、iew on standards in Europe and at the international level. It is incorporated by Royal Charter. Re vi si ons British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to impro

14、ve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000.

15、Fax: +44 (0)20 8996 7400. 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 should be addressed to Customer Service

16、s. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: orders&-. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, un

17、less otherwise requested. Information on standards BSI provides a wide 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

18、products and services. Contact the Information Centre. Tel: +44 (0)20 8996 71 11. Fax: +44 (0)20 8996 7048. Email: infomi-. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details ofthese and other b

19、enefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 700 1. Email: membershipbsi-. Information regarding online access to British Standards via British Standards Online can be found at http:/www.bsi- Further information about BSI is available on the BSI website at

20、 http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, ofthe 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 sy

21、stem or transmitted in any form or by any 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, ofnecessary details such as symbols, and size, type or grade designations. Ifthese details are to be used for any other purpose than implementation then the prior written permission ofBSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyright&-.

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