ISO INTERNATIONAL STANDARD 9328-6 Third edition 2018-02 Steel flat products for pressure purposes Technical delivery conditions - Part 6: Weldable fine grain steels, quenched and tempered Produits plats en acier pour service sous pression - Conditions techniques de livraison Partie 6: Aciers soudables a grains fins, trempés et revenus Reference number ISO 9328-6:2018(E) osi @IS0 2018 IS0 9328-6:2018(E) COPYRIGHTPROTECTEDDOCUMENT @I IS02018 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +4122 749 09 47 copyright@iso.org www.iso.org Published in Switzerland i @ IS0 2018 - All rights reserved IS0 9328-6:2018(E) Contents Page Foreword ..iv 1 Scope 1 2 Normative references ..1 3 Terms and definitions 4 Classification and designation ..1 4.1 Classification .1 4.2 Designation .2 5 Information to be supplied by the purchaser .2 5.1 Mandatory information .2 5.2 Options. .2 5.3 Example for ordering. 2 6 Requirements .3 6.1 Steelmaking process. .3 6.2 Delivery condition. 3 6.3 Chemical composition .3 6.4 Mechanical properties 3 6.5 Surface condition .3 6.6 Internal soundness. 3 6.7 Weldability. 35 6.8 Dimensions and tolerances 6.9 Calculation of mass. .5 7 Inspection 5 7.1 Types of inspection and inspection documents .5 7.2 Tests to be carried out .5 7.3 Retests, sorting and reprocessing 8 Sampling. 9 Test methods. ..5 10 Marking ..5 Annex A (normative) Chemical composition and mechanical properties of products delivered in accordance with European design codes .6 Annex B (normative) Chemical composition and mechanical properties of products delivered in accordance with AsME-type design codes ..10 Annex C (informative) Steel designations in accordance with this document and designation of comparable steel grades in national or regional standards ..12 Bibliography. ..13 @ IS0 2018 - All rights reserved ii