Bsi bs en 10253 4 2008

Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 07/12/2008 07:50, (c) BSI BRITISH STANDARD Butt-welding pipe fittings — Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements ICS 23.040.40; 77.140.20 12&23 0,8 x D) of the torispherical end may result in larger wall thicknesses, especially for small ratios of wall thickness to diameter showing increased wall thicknesses at the body of the cap For caps with an inside knuckle radius r < 0,15 x D or with an inside spherical radius R1 > 0,8 x D the wall thickness at the body of the cap shall be calculated in accordance with Annex B For some dimensions no wall thicknesses at the body of the cap are listed In these cases the dimensions of the cap are outside the range of validity of the calculation procedures given in Annex B Smaller wall thicknesses than listed in Table D.7 are acceptable provided that they are calculated in accordance with Annex B Table D.7 — Wall thickness of caps DN D T Tc T Tc T Tc T Tc T Tc T Tc 15 21,3 1,6 - - - - - - 3,2 - - 20 26,9 1,6 - - - - - - 3,2 - - 25 33,7 1,6 1,6 - - - 2,3 - 3,2 - 4,5 - 32 42,4 1,6 1,6 2 - - 2,6 - 3,6 - - 40 48,3 1,6 1,6 2 - - 2,6 2,6 3,6 - - 50 60,3 1,6 1,6 2 2,3 2,3 2,9 2,9 - 5,6 - 65 76,1 1,6 1,6 2,3 2,3 2,6 2,6 2,9 2,9 - 7,1 - 80 88,9 2 2,3 2,3 2,9 2,9 3,2 3,2 5,6 - 100 114,3 2 2,6 2,6 2,9 2,9 3,6 3,6 6,3 6,3 8,8 - 125 139,7 2 2,6 2,6 3,2 3,2 4 6,3 6,3 10 - 150 168,3 2 2,6 2,6 3,2 3,2 4,5 4,5 7,1 7,1 11 - 200 219,1 2,1 2,6 2,6 3,6 3,6 6,3 6,3 8 12,5 12,5 250 273 2,2 3,6 3,6 4 6,3 6,3 10 10 - - 300 323,9 2,6 2,8 4 4,5 4,5 7,1 7,1 10 10 - - 350 355,6 2,6 2,8 4,1 5 8 11 11 - - 400 406,4 2,6 2,9 4,1 5 8,8 8,8 12,5 12,5 - - 450 457 3,2 3,5 4,2 5,1 10 10 - - - - 500 508 3,2 3,5 5,2 5,6 5,7 11 11 - - - - 600 610 3,2 3,6 5,6 5,8 6,3 6,4 12,5 12,5 - - - - 700 711 4,4 5,6 5,9 7,1 7,2 12,5 12,5 - - - - 800 813 4,5 5,6 8,1 12,5 12,5 - - - - 900 914 4,5 6,3 6,7 8,8 12,5 12,5 - - - - 1000 1016 4,6 6,3 6,8 10 10,3 12,5 12,5 - - - - 95 Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 07/12/2008 07:50, (c) BSI BS EN 10253-4:2008 EN 10253-4:2008 (E) Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of the EU Directive 97/23/EC This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association to provide a means of conforming to Essential Requirement(s) (ESR) of the Pressure Equipment Directive 97/23/EC by providing technical solutions for specific ESRs Once this standard is cited in the Official Journal of the European Communities under that Directive and has been implemented as a national standard in at least one Member State, compliance with the clauses of this standard given in Table ZA.1 confers, within the limits of the scope of this standard, a presumption of conformity with the corresponding Essential Requirements of that Directive and associated EFTA regulations Table ZA.1 — Correspondence between this European Standard and Directive 97/23/EC Clauses/subclauses of this EN Pressure Equipment Directive 97/23/EC Annex I 8.2.2 3.1.2 Welding 14.9.1 3.1.3 NDT-personnel 9.3 4.1a Appropriate material properties 8.2 and 10 4.1d Suitable for the processing procedures 12 4.3 Documentation Content WARNING: Other requirements and other EU Directives may be applicable to the product(s) falling within the scope of this European Standard 96 Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 07/12/2008 07:50, (c) BSI BS EN 10253-4:2008 EN 10253-4:2008 (E) Bibliography [1] EN ISO 8493, Metallic materials - Tube - Drift-expanding test (ISO 8493:1998) [2] EN ISO 15607:2004, Specification and qualification of welding procedures for metallic materials - General rules (ISO 15607:2003) [3] EN 10020:2000, Definitions and classification of grades of steel [4] EN 10052:1993, Vocabulary of heat treatment terms for ferrous products [5] EN 10079:2007, Definitions of steel products [6] EN 10088-1, Stainless steels – Part 1: List of stainless steels [7] EN ISO 2566-1, Steel - Conversion of elongation values - Part 1: Carbon and low alloy steels (ISO 2566-1:1984) [8] ISO 3419, Non-alloy and alloy steel butt-welding fittings [9] ISO 5251, Stainless steel butt-welding fittings 97 Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 07/12/2008 07:50, (c) BSI BS EN 10253-4:2008 BSI 389 Chiswick High Road London W4 4AL BSI — British Standards Institution BSI is the independent national body responsible for preparing British Standards It presents the UK view on standards in Europe and at the international level It is incorporated by Royal Charter Revisions 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 improve 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 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 Services Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001 Email: orders@bsi-global.com Standards are also available from the BSI website at http://www.bsi-global.com 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, unless 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 products and services Contact the Information Centre Tel: +44 (0)20 8996 7111 Fax: +44 (0)20 8996 7048 Email: info@bsi-global.com 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: +44 (0)20 8996 7002 Fax: +44 (0)20 8996 7001 Email: membership@bsi-global.com Information regarding online access to British Standards via British Standards Online can be found at http://www.bsi-global.com/bsonline Further information about BSI is available on the BSI website at http://www.bsi-global.com Copyright Copyright subsists 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 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, 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 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@bsi-global.com