ISO INTERNATIONAL STANDARD 9327-4 First edition 1999-06-15 Steel forgings and rolled or forged bars for pressure purposes Technical delivery conditions Part 4: Weldable fine grain steels with high proof strength Pieces forgées et barres laminées ou forgées en acier pour appareils a pression - Conditions techniques de livraison - Partie 4: Aciers soudables a grain fin a limite conventionnelle d'elasticité élevée [so Reference number ISO 9327-4:1999(E) HS unde Not for Resale ISO 9327-4:1999(E) Contents Page 1 Scope 2 Normative references, 3 Terms and definitions .2 4 Ordering. 5 Requirements. .2 6 Inspection, testing and conformity of products...... 7 Marking .. 2 Bibliography.. .8 @ISO1999 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 the publisher. InternationalOrganizationforStandardization Case postale 56. CH-1211 Geneve 20 · Switzerland Internet [email protected] Printed in Switzerland Copyright International Organization for Standardization by IHS under se from IHS Not for Resale @ ISO ISO 9327-4:1999(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.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas liaison withIsO,also take part in the work.IsO collaborates closely withtheInternational Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 3. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote Steelforpressure purposes. This first edition, together with parts 1 to 3 and 5 of ISO 9327, cancels and replaces ISO 2604-1:1975. purposes Technical delivery conditions: Part 1: General requirements Part 2: Non-alloy and alloy (Mo, Cr and CrMo) steels with specified elevated temperature properties —Part 3: Nickel steels with specified low temperature properties Part 4: Weldable fine grain steels with high proof strength -Part 5: Stainless steels ili Not for Resale