ISO INTERNATIONAL STANDARD 18762 Firstedition 2016-04-01 Tubes of titanium and titanium alloys Welded tubes for condensers and heat exchangers Technical delivery conditions Tubes en titane etalliage de titane-Tubes soudés pour condenseurs et échangeurs de chaleurConditions techniques de livraison Referencenumber ISO18762:2016(E) ISO Intemational Organization for Standardization @IS02016 ed without license from IHS IS0 18762:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS02016,Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISo copyright office Ch. de Blandonnet 8.CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +4122 749 09 47 copyright@iso.org www.iso.org Uicensee-ZHEJIANG INST OF STANDARDIZoISQ,6-All rights reserved etworking permitted without license from IHS Not for Resale, 2016/6/2 08:55:18 IS0 18762:2016(E) Contents Page Foreword ..iv 1 Scope 2 Normative references 3 Informationtobesuppliedbythepurchaser 3.1 General information .1 3.2 Options. .2 4 Manufacturing ..2 5 Requirements .2 5.1 General .2 5.2 Chemicalcomposition .2 5.3 Tensile properties. 4 5.4 Flattening test. .4 5.5 Reverseflatteningtest .5 5.6 Drift-expanding (flaring) test .5 5.7 Non-destructive tests .6 5.7.1 General .6 5.7.2 Pneumatic test .6 5.7.3 Eddy currenttest .6 5.7.4 Ultrasonic test 5.8 Surface conditions,imperfections and defects 7 5.9 Dimensions and tolerances ..7 5.10 Finish .7 6 Inspection .8 6.1 Types of inspection and inspection documents 6.1.1 General. .8 6.1.2 Inspectiondocuments .8 6.2 Specific inspection.. .8 6.2.1 Inspectionfrequency .8 6.2.2 Samples and test pieces for product analysis .8 6.2.3 Samplesandtestpiecesformechanicaltests ..8 6.2.4 Testmethods 7 Rounding-off procedure 8 Referencetestandanalysis 9 Rejection ..10 10 Marking. ..10 10.1 General ..10 10.2 Tube marking ..10 11 Packaging ..10 12 Certification .10 Bibliography .11 iii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 d without license from IHS