ISO/TR TECHNICAL REPORT 12391-1 First edition 2001-12-15 GascylindersRefillableseamless steelPerformancetests Part 1: Philosophy, background and conclusions Bouteillesagaz-Rechargeablesenaciersanssoudure-Essaisde performance- Partie 1:Philosophie, historique et conclusions Referencenumber ISO/TR 12391-1:2001(E) @ISO 2001 nforStandardization ewithISC No reproduction or networking permitted without license from IHS Not for Resale ISO/TR12391-1:2001(E) PDFdisclaimer 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 downloading 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 wereoptimizedfor printing.Every carehas been taken to ensure that thefile is suitableforuseby isO memberbodies.In theunlikelyevent thataproblem relatingto it isfound,pleaseinformtheCentral Secretariatattheaddressgivenbelow. ISO2001 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 copyrightoffice Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.ch Printed in Switzerland Coovriaght ational Organization for Standardization IsO2001-Allrightsreserved led bv IHS under licen iewithISO No reproduction or networking permitted without license from IHS Not for Resale ISO/TR 12391-1:2001(E) Contents Page Foreword.. iv Introduction 1 Scope. 2 References. 3 Terms and definitions. 4 Symbols and abbreviations... 5 Background. 6 Considerations of fracture performance.. 6 7 Flawed cylinder burst test procedure... 8 Considerations of fatigue cycle test. 9 Discussion of test data Bibliography. ndardizationserved ii Noreproductionornetworking pemited without licensefromIHS with ISC Not for Resale