BPVC_2015_Section_IX.pdf

IXQUALIFICATION STANDARDFOR WELDING,BRAZING,ANDFUSING PROCEDURES;WELDERS;BRAZERS;ANDWELDING,BRAZING,ANDFUSING OPERATORSASME Boiler and Pressure Vessel Committeeon Welding,Brazing,and FusingAN INTERNATIONAL CODE2015 ASME Boiler&Pressure Vessel Code2015 EditionJuly 1,2015Two Park Avenue New York,NY 10016 USADate of Issuance:July 1,2015This international code or standard was developed under procedures accredited as meeting the criteria forAmerican National Standards and it is an American National Standard.The Standards Committee that approvedthe code or standard was balanced to assure that individuals from competent and concerned interests havehad an opportunity to participate.The proposed code or standard was made available for public review and com-ment that provides an opportunity for additional public input from industry,academia,regulatory agencies,andthe public-at-large.ASME does not“approve,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liabilityfor infringement of any applicable letters patent,nor assume any such liability.Users of a code or standard areexpressly advised that determination of the validity of any such patent rights,and the risk of infringement of suchrights,is entirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the es-tablished ASME procedures and policies,which precludes the issuance of interpretations by individuals.The endnotes and preamble in this document(if any)are part of this American National Standard.ASME collective membership markCertification MarkThe above ASME symbol is registered in the U.S.Patent Office.“ASME”is the trademark of The American Society of Mechanical Engineers.No part of this document may be reproduced in any form,in an electronicretrieval system or otherwise,without the prior written permission of thepublisher.Library of Congress Catalog Card Number:56-3934Printed in the United States of AmericaAdopted by the Council of The American Society of Mechanical Engineers,1914;latest edition 2015.The American Society of Mechanical EngineersTwo Park Avenue,New York,NY 10016-5990Copyright 2015 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedTABLE OF CONTENTSList of Sections.xForeword.xiiStatement of Policy on the Use of the Certification Mark and Code Authorization in Advertising.xivStatement of Policy on the Use of ASME Marking to Identify Manufactured Items.xivSubmittal of Technical Inquiries to the Boiler and Pressure Vessel Standards Committees.xvPersonnel.xviiIntroduction.xxxivSummary of Changes.xxxviiList of Changes in Record Number Order.xliCross-Referencing and Stylistic Changes in the Boiler and Pressure Vessel Code.xliiiPart QGGeneral Requirements.1QG-100Scope.1QG-109Definitions.4Part QWWelding.15Article IWelding General Requirements.15QW-100Scope.15QW-110Weld Orientation.15QW-120Test Positions for Groove Welds.15QW-130Test Positions for Fillet Welds.16QW-140Types and Purposes of Tests and Examinations.16QW-150Tension Tests.17QW-160GuidedBend Tests.18QW-170NotchToughness Tests.19QW-180FilletWeld Tests.19QW-190Other Tests and Examinations.21Article IIWelding Procedure Qualifications.28QW-200General.28QW-210Preparation of Test Coupon.31QW-220Hybrid Welding Procedure Variables.32QW-250Welding Variables.33QW-290Temper Bead Welding.65Article IIIWelding Performance Qualifications.69QW-300General.69QW-310Qualification Test Coupons.71QW-320Retests and Renewal of Qualification.72QW-350Welding Variables for Welders.73QW-360Welding Variables for Welding Operators.74QW-380Special Processes.75Article IVWelding Data.77QW-400Variables.77QW-410Technique.87QW-420Base Metal Groupings.92QW-430FNumbers.161QW-440Weld Metal Chemical Composition.172QW-450Specimens.173iiiQW-460Graphics.179QW-470Etching Processes and Reagents.223Article VStandard Welding Procedure Specifications(SWPSs).225QW-500General.225QW-510Adoption of SWPSs.225QW-520Use of SWPSs Without Discrete Demonstration.225QW-530Forms.226QW-540Production Use of SWPSs.226Part QBBrazing.227Article XIBrazing General Requirements.227QB-100Scope.227QB-110Braze Orientation.227QB-120Test Positions for Lap,Butt,Scarf,or Rabbet Joints.227QB-140Types and Purposes of Tests and Examinations.228QB-150Tension Tests.228QB-160GuidedBend Tests.229QB-170Peel Tests.230QB-180Sectioning Tests and Workmanship Coupons.230Article XIIBrazing Procedure Qualifications.231QB-200General.231QB-210Preparation of Test Coupon.233QB-250Brazing Variables.233Article XIIIBrazing Performance Qualifications.237QB-300General.237QB-310Qualification Test Coup