ISO/TR TECHNICAL REPORT 22281 First edition 2018-01 Welding consumables International Institute of Welding (lIw) position statement on the use of trace element analyses in welding consumable specifications Produits consommables pour le soudage-Position deI'Institut international de la soudure (llw) surI'utilisation d'analyses d'élements-tracelorsdelaspecificationdeconsommables Reference number IS0/TR22281:2018(E) ISO iiw @ IS0 2018 IS0/TR22281:2018(E) COPYRIGHTPROTECTEDDOCUMENT @IS0 2018 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 below orIso's memberbody in the country of therequester. ISO copyright office CP 401 : Ch.de Blandonnet 8 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Published in Switzerland i IS02018-Allrightsreserved IS0/TR22281:2018(E) Contents Page Foreword .iv Introduction. ..V 1 Scope. 2 Normative references 1 3 Termsand definitions 1 4 Background. .1 5 IIW round robin results. 2 5.1 Bruscato Factor. 2 5.2 Reheat Cracking Composition Factor 2 6 Conclusion .2 Bibliography .3 @ IS0 2018-All rights reserved ii