ISO INTERNATIONAL STANDARD 3580 Fourth edition 2017-04 Welding consumables Covered electrodes for manual metal arc welding of creep-resisting steels Classification Produits consommables pour le soudage - Electrodes enrobées pour le soudage manuel a I'arc des aciers résistant au fluage Classification Reference number IS03580:2017(E) Tso @ IS0 2017 IS0 3580:2017(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2017, Published in Switzerland All rights reserved. Unless otherwise specified, 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 the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel.+4122749 0111 Fax +41 22 749 09 47 [email protected] www.iso.org ii IS02017-Allrightsreserved IS0 3580:2017(E) Contents Page Foreword ..iv Introduction ..V 1 Scope. .1 2 Normative references .1 3 Terms and definitions .2 4 Classification .2 5 Symbols and requirements. .3 5.1 Symbol for the product/process 5.2 Symbol for the chemical composition of all-weld metal .3 5.3 Symbol for the mechanical properties of all-weld metal .3 5.4 Symbol for type of electrode covering. .9 5.5 Symbol for nominal electrode efficiency and type of current 10 5.6 Symbol for welding position 10 5.7 Symbol for hydrogen content of deposited metal .11 5.8 Rounding procedure. .11 6 Mechanical tests. .11 6.1 General 11 6.2 Preheating and interpass temperature .11 6.3 Pass sequence 12 7 Chemical analysis. .12 8 Fillet weld test .12 9 Retesting .13 10 Technical delivery conditions. .14 11 Examples of designation .14 Annex A (informative) Classification systems .16 Annex B (informative) Description of chemical composition designators (classification by chemical composition). .18 Annex C (informative) Description of chemical composition designators (classification by tensile strength and chemical composition) .19 Annex D (informative) Description of types of electrode covering (classification by chemical composition). .20 Annex E (informative) Description of types of electrode covering (classification by tensile strength and chemical composition) .21 Annex F (informative) Notes on diffusible hydrogen .23 Bibliography .24 IS02017-Allrightsreserved iii