ISO 15614-7-2016 规范和鉴定金属材料焊接工艺焊接工艺试验-第7部分:堆焊.pdf

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ISO 2016Specification and qualification of welding procedures for metallic materials Welding procedure test Part 7:Overlay weldingDescriptif et qualification dun mode opratoire de soudage pour les matriaux mtalliques preuve de qualification dun mode opratoire de soudage Partie 7:Rechargement par soudageINTERNATIONAL STANDARDISO15614-7Second edition2016-10-15Reference numberISO 15614-7:2016(E)ISO 15614-7:2016(E)ii ISO 2016 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2016,Published in SwitzerlandAll 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 ISOs member body in the country of the requester.ISO copyright Blandonnet 8 CP 401CH-1214 Vernier,Geneva,SwitzerlandTel.+41 22 749 01 11Fax+41 22 749 09,-,-ISO 15614-7:2016(E)Foreword.vIntroduction.vii1 Scope.12 Normative references.13 Terms and definitions.24 Preliminary welding procedure specification(pWPS).34.1 Corrosion resistant overlay welding.34.2 Hardfacing.35 Welding procedure qualification test.36 Test piece.36.1 Shape and dimensions of test pieces.36.1.1 General.36.1.2 Corrosion resistant overlay welding and hardfacing.36.1.3 Intermediate layer.36.2 Welding of test pieces.57 Examination and testing.57.1 Extent of examination and testing.57.2 Non-destructive testing(NDT).67.3 Location and taking of test specimens.67.4 Destructive testing.87.4.1 General.87.4.2 Macroscopic examination.97.4.3 Hardness testing.97.4.4 Side bend testing.97.4.5 Chemical analysis.107.4.6 Delta ferrite content/ferrite number(FN).107.5 Acceptance criteria.117.5.1 Acceptance criteria for non-destructive testing(NDT).117.5.2 Destructive testing.117.6 Re-testing.128 Range of qualification.128.1 General.128.2 Qualification related to the manufacturer.128.3 Qualification related to the material.138.3.1 Parent metal.138.3.2 Parent metal thickness.138.4 Qualification related to the filler material/overlay.138.4.1 Filler material designation.138.4.2 Thickness of the overlay.138.5 Common to welding procedures.148.5.1 Welding process.148.5.2 Welding position.148.5.3 Type of current.148.5.4 Arc energy.148.5.5 Preheating temperature.148.5.6 Interpass temperature.148.5.7 Post-heating for hydrogen release.158.5.8 Post-weld heat-treatment(PWHT).158.5.9 Number of layers.158.6 Specific to welding processes.15 ISO 2016 All rights reserved iiiContents Page-,-,-ISO 15614-7:2016(E)8.6.1 Process 111 manual metal arc welding(metal arc welding with covered electrode).158.6.2 Processes 12(submerged arc welding)and 72(electroslag overlay welding).158.6.3 Processes 13 gas-shielded metal arc welding and 14(gas-shielded arc welding with non-consumable tungsten electrode).168.6.4 Process 15(plasma arc welding).168.6.5 Process 153(plasma transferred arc).168.6.6 Process 311(oxy-acetylene welding).169 Welding procedure qualification record(WPQR).17Annex A(informative)Welding procedure qualification record form(WPQR).18Bibliography.22iv ISO 2016 All rights reserved ISO 15614-7:2016(E)ForewordISO(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 committee has been established has the right to be represented on that committee.International organizations,governmental and non-governmental,in liaison with ISO,also take part in the work.ISO collaborates closely with the International Electrotechnical Commission(IEC)on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives,Part 1.In particular the different approval criteria needed for the different types of ISO documents should be noted.This document was drafted in accordance with the editorial rules of the ISO/IEC Directives,Part 2(see is drawn to the possibility that some of the elements of this document may be the subject of patent rights.ISO shall not be held responsible for identifying any or all such patent rights.Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received(see trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment,as well as information about ISOs adherence to the World Trade Organization(WTO)principles in the Technical Barriers to Trad

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