ISO INTERNATIONAL STANDARD 15614-8 Second edition 2016-03-01 Specification and qualification of welding procedures for metallic materials Welding procedure test Part 8: Welding of tubes to tube-plate joints Descriptif et qualification d'un mode opératoire de soudage sur les matériaux métalliques - Epreuve de qualification d'un mode operatoire de soudage Partie 8: Soudage de tubes sur plaques tubulaires Reference number ISO 15614-8:2016(E) ISO International Organization for Standardization @ IS0 2016 STANDARDIZATIONC15956617 ed without license from IHS IS0 15614-8:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS02016,PublishedinSwitzerland 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 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 Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +4122 749 09 47 copyright@iso.org www.iso.org Licensee-ZHEJIANG INST OF STANDARDIzRoISQ 6 - All rights reserved Not for Resale, 2016/4/26 03:00:56 networking permited without license from IHS IS0 15614-8:2016(E) Contents Page Foreword ..V Introduction. ..vii 1 Scope. 2 Normative references 3 Terms and definitions 4 Symbols and abbreviated terms ..2 5 Preliminary welding procedure specification (pwPS) .3 5.1 General, .3 5.2 Parameters for all welding process ..3 5.3 Parameters for particular welding processes .4 6 Qualification of welding procedure .5 7 Welding of test pieces .5 7.1 General .5 7.2 Type of test piece. 5 7.2.1 Joint preparation and joint construction 7.2.2 Tube ends welded on triangular pitch. .5 7.2.3 Tube ends welded on square pitch .6 8 Examination and testing. 8.1 Performance 7 8.1.1 General .7 8.1.2 Visual testing. 7 8.1.3 Penetrant testing ..8 8.1.4 Radiographic testing .8 8.1.5 Macroscopic examination .8 8.1.6 Hardness test ..8 8.1.7 Push-out or pull-out test .8 8.2 Acceptance levels .9 8.2.1 General. .9 8.2.2 Visual testing 8.2.3 Penetrant testing 9 8.2.4 Radiographic testing. .9 8.2.5 Macroscopic examination ..10 8.2.6 Hardness values. ..10 8.2.7 Push-out or pull-out load ..10 8.3 Re-test. .10 9 Range of qualification ..11 9.1 General .11 9.2 Related to the manufacturer .11 9.3 Related to the material ..11 9.3.1 Parent metal. .11 9.3.2 Tube-plate and tube dimensions ..11 9.3.3 Tube pitch .11 9.4 Common to all welding procedures .11 9.4.1 Welding process. ..11 9.4.2 Welding position of tube-plate .11 9.4.3 Type of joint. ..11 9.4.4 Filler metal, classification .12 9.4.5 Filler metal, dimensions .12 9.4.6 Type of current. ..12 9.4.7 Arc energy (heat input) 9.4.8 Pre-heat temperature. .12 ntemaional ganzation6All rights reserved iii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 ed without license from IHS Not for Resale, 2016/4/26 03:00:56