ISO INTERNATIONAL STANDARD 10893-4 First edition 2011-04-01 Non-destructive testing of steel tubes - Part 4: Liquid penetrant inspection of seamless and welded steel tubes for the detection of surface imperfections Essais non destructifs des tubes en acier Partie 4: Controle par ressuage des tubes en acier sans soudure et soudés pour la détection des imperfections de surface Reference number ISO 10893-4:2011(E) @ ISO 2011 nationalOrganizationforStandardization Not for Resale ISO 10893-4:2011(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below COPYRIGHTPROTECTEDDOCUMENT @ISO2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or ISo's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 4122749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ ISO 2011 - All rights reserved I without license from IHS Not for Resale ISO 10893-4:2011(E) Contents Page Foreword .iv 1 Scope. 2 Normative references 3 Terms and definitions ... 4 General requirements .. 5 Test method 5.1 General... 5.2 Detection of imperfections and their classification 5.3 Procedure..... 6 Evaluation of indications..... 7 Acceptance .6 8 Test report. Copyright International Organization for Standardizalon ghts reserved ii from IHS Not for Resale