ISO INTERNATIONAL STANDARD 9329-1 First edition 1989-07-15 Seamless steel tubes for pressure purposes Technical delivery conditions Part 1 : Unalloyed steels with specified room temperature properties Tubes sans soudure en acier pour service sous pression - Conditions techniques delivraison- Partie 1 : Aciers non allies avec caracteristiques specifiees a temperature ambiante Reference number ISO 9329-1 : 1989 (E) No reproductic ISO9329-1 : 1989 (E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (iso member bodies). The work of preparing International Standards is normally carried out through Iso technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, govern- mental and non-governmental, in liaison with Iso, also take part in the work. ISo collaborates closely with the international Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the Iso Council. They are approved in accordance with ISo procedures requiring'at least 75 % approval by the member bodies voting. Internationat Standard ISO 9329-1 was prepared by Technical Committee ISO/TC 17, Steel. It cancels and replaces Is0 2604-2 : 1975, of which it constitutes a technical revision, together with parts 2, 3 and 4 of 1o 9329. Iso 9329 consists of the following parts, under the general title Seamless steel tubes for pressure purposes - Technical delivery conditions : Part1:Unalloyedsteelswithspecifiedroomtemperatureproperties Part2:Unalloyedandalloyedsteelswithspecifiedelevatedtemperature properties Part 3 : Unalloyed and alloyed steels with specified low temperature properties Part 4: Austenitic stainless steels Annex A of this part of iSO 9329 is for information only. 1989 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical, including photocopyingandmicrofilm,without permission in writing from the publisher. International OrganizationforStandardization Case postale 56 . CH-1211 Geneve 20 . Switzerland Printed in Switzerland No reproduction or networking permitted without license from IHS Not for Resale ISO9329-1:1989 (E) INTERNATIONAL STANDARD Seamless steel tubes for pressure purposes Technical delivery conditions Part 1 : Unalloyed steels with specified room temperature properties 1 Scope Iso 5252 : 1977, Steel tubes - Tolerance systems. 1.1Thispartof ISO9329specifiesthetechnicaldeliverycon IsO 6892 : 1984, Metallic materials -- Tensile testing. ditions for seamless tubes of circular cross-section, made of ISo 7438 : 1985, Metallic materials - Bend test. unalloyed quality steel with specified room temperature proper- ties. ISO 8492 : 1986, Metallic materials - Tube - Flattening test. These tubes are intended for pressure purposes including the iSO 8496 : 1986, Metallic materials -- Tube -- Ring. tensile transport of fluids under pressure. test. Certain application standards and regulations permit the use of Iso 9302 : -_ 1), Seamless and welded (except submerged arc- these tubes up to 350 oc (see annex A). welded)steeltubesforpressurepurposes -Electromagnetic testing for verification of hydraulic leak-tightness. 1.2 For the general technicaf defivery requirements, see 3 Symbols and denominations ISO 404. 3.1 Fundamental symbols 2 Normative references D = specified outside diameter The following standards contain provisions which, through = specified wall thickness reference in this text,constitute provisions.of this part of Iso 9329. At the time of publication, the editions indicated 3.2 Symbols for tolerances werevalid.All standardsare subject to revision,and parties to agreements