ISO INTERNATIONAL STANDARD 13703-3 First edition 2023-09 Oil and gas industries including lower carbon energy - Piping systems on offshore production platforms and onshore plants - Part 3: Fabrication Industries du pétrole et du gaz, y compris les énergies a faible émission de carbone - Conception et installation des systemes de tuyauterie sur les plates-formes de production en mer et les installations a terre - Partie 3:Fabrication Reference number ISO 13703-3:2023(E) osi IS02023 IS0 13703-3:2023(E) COPYRIGHT PROTECTED DOCUMENT @IS02023 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 or ISo's member body in the country of the requester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland i @ IS0 2023 - All rights reserved IS0 13703-3:2023(E) Contents Page Foreword ..V Introduction. .. vi 1 Scope.. 2 Normative references 3 Terms and definitions 4 Abbreviated terms 4.1 Symbols. .7 4.2 Abbreviated terms. .7 5 Health, safety and quality requirements. .9 5.1 Health and safety requirements .9 5.2 Quality requirements .. 10 6 Welding requirements. ..11 6.1 General requirements 11 6.2 Welding processes.. ..12 6.3 Preparation for welding .12 6.4 Welder and welding operator performance qualification 15 Welding consumables. ..15 7.1 General requirements. .15 7.2 Additional requirements for carbon steel. 7.3 Additional requirements for dissimilar welding 7.4 Additional requirements for Ss 300-series. .17 7.5 Additional requirements for SS type 22Cr duplex and SS type 25Cr duplex. ..17 7.6 Additional requirements for high alloy stainless steels 17 7.7 Shielding, backing and secondary trailing gases. ..18 8 Welding procedure qualification. .18 8.1 General requirements .18 8.2 Additional requirements for carbon steels. ..19 8.3 Additional requirements for SS type 22Cr duplex and SS type 25Cr duplex. .19 8.4 Additional requirements for high alloyed austenitic stainless steels 20 8.5 Additional requirements for CP titanium. .20 8.6 Additionalreguirementsformaterialsinsourservice 20 8.7 Welding procedure qualification essential variable ..21 9 Preheat and post weld heat treatment' .23 9.1 Preheating ..23 9.2 Post weld heat treatment ..24 10 Bending of pipe .26 10.1 General requirements 26 10.2 Heat treatment of bends .29 10.3 Examination of bends .30 11 Installation ..31 11.1 General requirements .31 11.2 Threaded connections 31 11.3 Bolted connections. 31 12 Inspection, examination and testing .32 12.1 General requirements. 32 12.2 Visual examination. 35 12.3 Magnetic particle examination 36 12.4 Liquid penetrant examination ..36 12.5 Radiographic examination. .36 IS0 2023 - All rights reserved iii IS0 13703-3:2023(E) 12.6 Ultrasonic examination 37 12.7 Positive materials identification 38 12.8 Production testing. 39 12.9 Weld metal ferrite testing 40 12.10 Repairs and replacement. 41 13 Cleaning, leak testing and preservation 42 13.1 General requirements. .42 13.2 Flushing and cleaning. 43 13.3 Leak testing. 44 13.4 Tightness testing 45 13.5 Preservation 46 Annex A (informative) Reference images for oxidation of weldments .47 Annex B (normative) Requirements for cold bending of pipes. .51 Annex C (normative) Requirements for hot induction bending of pipes .54 Annex D (informative) Guidance to European Pressure Equipment Directive. .56 Bibliography 57 iv @ IS0 2023 - All rights reserved IS0 13703-3:2023(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 committ