1、BSI Standards PublicationBS EN 4725:2014Aerospace series Aluminiumalloy AL-P2024- Al Cu4Mg1 T351 Plate 6 mm 80 mm 82 Batch uniformity See EN 4400-1. (Material verification) 1 Electrical conductivity 95 Marking inspection See EN 4400-1. 96 Dimensional inspection See EN 4400-1. 98 Notes _ 99 Typical u
2、se _ BS EN 4725:2014EN 4725:2014 (E) 8 100 Product qualification See EN 4400-1. 39 Stress corrosion See EN 4400-1. 3 40 mm a 100 mm 4 LT ST 6 250 MPa (30 d) 50 MPa (20 d) 7 No failure 40 Fracture toughness See EN 4400-1. 3 40 mm a 60 mm 4 LT T-L 7 34 MPa m 32 MPa m 46 Fatigue See EN 4400-1. 7 max. (
3、MPa) Number of cycles R KtDirection 300 1 1040.1 2.5 LT 245 3 104180 1 105145 3 105120 1 10671 Crack propagation See EN 4400-1. 2 Specimens taken in LT direction 7 K MPa m R = 0,1 10 15 20 30 da/dN mm/cycle 1,5 104 5 104 1,5 103 5 102This page deliberately left blankBSI is the national body responsi
4、ble for preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. British Standards and other standardization products are published by BSI Standards Limited.British Standards Institution (BSI)BSI Group Headquarters389 Chiswi
5、ck High Road London W4 4AL UKAbout usWe bring together business, industry, government, consumers, innovators and others to shape their combined experience and expertise into standards -based solutions.The knowledge embodied in our standards has been carefully assembled in a dependable format and ref
6、ined through our open consultation process. Organizations of all sizes and across all sectors choose standards to help them achieve their goals.Information on standardsWe can provide you with the knowledge that your organization needs to succeed. Find out more about British Standards by visiting our
7、 website at or contacting our Customer Services team or Knowledge Centre.Buying standardsYou can buy and download PDF versions of BSI publications, including British and adopted European and international standards, through our website at where hard copies can also be purchased. If you need intern
8、ational and foreign standards from other Standards Development Organizations, hard copies can be ordered from our Customer Services team.SubscriptionsOur range of subscription services are designed to make using standards easier for you. For further information on our subscription products go to Br
9、itish Standards Online (BSOL) youll have instant access to over 55,000 British and adopted European and international standards from your desktop. Its available 24/7 and is refreshed daily so youll always be up to date. You can keep in touch with standards developments and receive substantial discou
10、nts on the purchase price of standards, both in single copy and subscription format, by becoming a BSI Subscribing Member. PLUS is an updating service exclusive to BSI Subscribing Members. You will automatically receive the latest hard copy of your standards when theyre revised or replaced. To find
11、out more about becoming a BSI Subscribing Member and the benefits of membership, please visit a Multi-User Network Licence (MUNL) you are able to host standards publications on your intranet. Licences can cover as few or as many users as you wish. With updates supplied as soon as theyre available,
12、you can be sure your documentation is current. For further information, email .RevisionsOur British Standards and other publications are updated by amendment or revision. We continually improve the quality of our products and services to benefit your business. If you find an inaccuracy or ambiguity
13、within a British Standard or other BSI publication please inform the Knowledge Centre.CopyrightAll the data, software and documentation set out in all British Standards and other BSI publications are the property of and copyrighted by BSI, or some person or entity that owns copyright in the informat
14、ion used (such as the international standardization bodies) and has formally licensed such information to BSI for commercial publication and use. 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 for
15、m or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. Details and advice can be obtained from the Copyright & Licensing Department.Useful Contacts:Customer ServicesTel: +44 845 086 9001Email (orders): Email (enquiries): SubscriptionsTel: +44 845 086 9001Email: Knowledge CentreTel: +44 20 8996 7004Email: Copyright & LicensingTel: +44 20 8996 7070Email: NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW
