ISO INTERNATIONAL STANDARD 16834 Second edition 2012-05-01 Welding consumables Wire electrodes, wires, rods and deposits for gas shielded arc welding of high strength steels - Classification Produits consommables pour le soudageFils-électrodes, fils, ahauteresistanceClassification Reference number ISO 16834:2012(E) @ ISO 2012 ISO 16834:2012(E) COPYRIGHT PROTECTED DOCUMENT @ISO2012 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 either isO at the address below or isO's memberbody inthe country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ISO2012-All rights reserved ISO 16834:2012(E) Contents Page Foreword Introductior 1 Scope 2 Normative references 3 Classification 4 Symbols and requirements 4.1 Symbol for the product/process. 4.2 Symbol for strength and elongation properties of all-weld metal 4.3 Symbol for impact properties of all-weld metal .... 4.4 Symbol for shielding gas.... 4.5 Symbol for the chemical composition of wire electrodes, wires and rods. 4.6 Symbol for condition of post.-weld heat treatment ........... 5 Mechanicaltests 5.1 Preheating and interpass temperatures 5.2 Welding conditions and pass sequence. 10 5.3 Post-weld heat-treated condition.. 6 Chemical analysis 7 Rounding procedure 8 Retest. 9 Technical delivery conditions . 11 10 Examples of designation. 2 Bibliography IsO2012-All rightsreserved ii