ANINTERNATIONALCODE
2021ASMEBoiler& PressureVesselCode 2021EditionJuly 1, 2021
IX QUALIFICATIONSTANDARD FORWELDING,BRAZING,AND FUSINGPROCEDURES; WELDERS;BRAZERS;AND
WELDING,BRAZING,AND FUSINGOPERATORS ASME Boiler and Pressure Vessel Committee on Welding,Brazing,and Fusing
The American Society of Mechanical Engineers Two Park Avenue New York, NY 10016 USA Date of ssuance: |uly 1, 2021 e aua sepe spad apn pdp sempps oapo s American National Standards and it is an American National Standard. The Standards Committee that approved the code or standard was balanced to assure that individuals from petent and concerned interests have had an puemau nd ee pe sempepues oapo pasod ded udo that provides an opportunity for additional public input from industry, academia, regulatory agencies, and the public-at-large. ASME does not aprove,certify,*rate, or”endorseany 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 any items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable letters patent, nor assume any such liability. Users of a code or standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely their own responsibility. Participation by federal agency representative[s] or person[s) afiliated with industry is not to be interpreted as government or industry endorsement of this code or standard. established ASME procedures and policies, which precludes the issuance of interpretations by individuals. ASME accepts responsibility for only those interpretations of this document issued in accordance with the The endnotes and preamble in this document (if any) are part of this American National Standard.
ASME Collective Membership Marlc
ASME Single Certification Mark
“ASME”and theabove ASME symbols are registered trademarks of The American Society of Mechanical Engineers.
No part of this document may he reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher.
Library of Congress Catalog Card Number: 56-3934 Printed in the United States of America Adopted by the Council of The American Society of Mechanical Engineers, 1914; latest edition 2021. The American Society of Mechanical Engineers Two Park Avenue, New York, NY 10016-5990
Copyright @ 2021 by THE AMERIGAN SOCIETY OF MECHANICAL ENGINEERS All rights reserved
TABLEOFCONTENTS List of Sections Foreword xi Statement of Policy on the Use of the ASME Single Certification Mark and Code Authorization in Advertising xiv Statement of Policy on the Use of ASME Marking to Identify Manufactured Items xiv Submittal of Technical Inquiries to the Boiler and Pressure Vessel Standards Committees xv Personnel xvi Introduction xxxx Summary of Changes xlii List of Changes in Record Number Order xlvi Cross-Referencing and Stylistic Changes in the Boiler and Pressure Vessel Code xlvii Part QG General Requirements ....1 QG-100 Scope ...1 QG-109 Definitions5 Part QW Welding15 ArticleI Welding General Requirements.15 QW-100 Scope....15 QW-110 Weld Orientation15 QW-120 Test Positions for Groove Welds15 QW-130 Test Positions for Fillet Welds 16 QW-140 Types and Purposes of Tests and Examinations17 QW-150 Tension Tests.17 QW-160 Guided-Bend Tests18 QW-170 Toughness Tests19 QW-180 Fillet-Weld Tests19 QW-190 Other Tests and Examinations 21 Article II Welding Procedure Qualifications29 QW-200 General29 QW-210 Preparation of Test Coupon32 QW-220 Hybrid Welding Procedure Variables35 QW-250 Welding Variables35 QW-290 Temper Bead Welding68
i
Article II Welding Performance Qualifications72 QW-30072 QW-310 Qualification Test Coupons74 QW-320 Retests and Renewal of Qualification75 QW-350 Welding Variables for Welders76 QW-360 Welding Variables for Welding Operators QW-380 Special Processes .78 Article IV Welding Data81 QW-400 Variables.81
Technique.91 QW-420 saqnn-d96 QW-430 F-Numbers175 QW-440 Weld Metal Chemical Composition186 QW-450 Specimens187 QW-460 Graphics192 QW-470 Etching - Processes and Reagents233 Article V Standard Welding Procedure Specifications (SwPSs)235 QW-500 General235 QW-510 Adoption of SWPSs235 QW-520 Use of SWPSs Without Discrete Demonstration235 QW-530 Forms236 QW-540 Production Use of SWPSs236 Part QB Brazing237 Article XI Brazing General Requirements237 QB-100 Scope .237 QB-110 Braze Orientation QB-120 Test Positions for Lap, Butt, Scarf, or Rabbet Joints237 QB-140 Types and Purposes of Tests and Examinations238 QB-150 Tension Tests .....238 QB-160 Guided-Bend Tests 239 QB-170 Peel Tests240 QB-180 Sectioning Tests and Workmanship Coupons240
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AN INTERNATIONAL CODE 2021 ASME Boiler & PressureVesselCode 2021EditionJuly 1, 2021
CODE CASES
BoilersandPressureVessels
Mechanical Engineers TheAmerican Societyof Two Park AvenueNew York,NY10016 USA
Date of Issuance: July 1, 2021 This international code or standard was developed under procedures accredited as meeting the criteria for padde e aau spueps eps euoenueay ue pe spepues euon ueay the code or standard was balanced to assure that individuals from petent and concerned interests have had an opportunity to participate. The proposed code or standard was made available for public review and - ment that provides an opportunity for additional public input from industry, academia, regulatory agencies, and the public-at-large. ASME does not “approve,* "certify," "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 any items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable letters patent, nor assume any such liability. Users of a code or standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely their own responsibility. se paaudau aq oou s nsnpu um paee (s)uosad o [s]apeuasaudau uale eapa q uopede government 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 Mark
IM ASME Single Certification Mark
ASME" and the above ASME symbols are registered trademarks of The American Society af Mechanical Engineers.
No part of this document may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher. Library of Congress Catalog Card Number: 56-3934 Printed in the United States of America Adopted by the Council of The American Society of Mechanical Engineers, 1914; latest edition 2021. The American Society of Mechanical Engineers Two Park Avenue, New York, NY 10016-5990
THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS Copyright @ 2021 by All rights reserved
TABLEOFCONTENTS
List of Sections iv Summary of Changes vi List of Changes in Record Number Order vill Cross-Referencing and Stylistic Changes in the Boiler and Pressure Vessel Code ix Notes to Numeric Index x Numeric Index xi Subject Index xxi Index of Material Specifications Referred to in Cases xxxi
(21)LISTOFSECTIONS SECTIONS Rules for Construction of Power Boilers Materials • Part A - Ferrous Material Specifications • Part B - Nonferrous Material Specifications • Part C - Specifications for Welding Rods, Electrodes, and Filler Metals • Part D - Properties (Customary) • Part D - Properties (Metric) III Rules for Construction of Nuclear Facility Components • Subsection NCA - General Requirements for Division 1 and Division 2 •Division 1Appendices Subsection NB - Class 1 Components Subsection NCD - Class 2 and Class 3 Components* Subsection NE - Class MC Components Subsection NF - Supports Subsection NG -Core Support Structures Division 2 - Code for Concrete Containments Division 3 - Containment Systems for Transportation and Storage of Spent Nuclear Fuel and High-Level Radioactive Material • Division 5 - High Temperature Reactors AI Rules for Construction of Heating Boilers V Nondestructive Examination VI Remended Rules for the Care and Operation of Heating Boilers VIIRemended Guidelines for the Care of Power Boilers VIlI Rules for Construction of Pressure Vessels • Division 1 • Division 2 - Alternative Rules ▪ Division 3 - Alternative Rules for Construction of High Pressure Vessels IX Welding, Brazing, and Fusing Qualifications X Fiber-Reinforced Plastic Pressure Vessels XI Rules for Inservice Inspection of Nuclear Power Plant Components m ea seod ( a pe A suba ua Plants XIl Rules for Construction and Continued Service of Transport Tanks XIII Rules for Overpressure Protection Inth 1ditin, btio NC ad ha inrteditlication betiCD VCCD} lass ad Cass 3 Components
iv
INTERPRETATIONS Interpretations are issued in real time in ASME's Interpretations Database at go./nterpretations. His- torical BPVC interpretations may also be found in the Database. CODECASES The Boiler and Pressure Vessel Code mittees meet regularly to consider proposed additions and revisions to the Code and to formulate Cases to clarify the intent of existing requirements or provid, when theeed is urgent, ruls fr materials or constructions not covered by existing Code rules. Those Cases that have been adopted will appear in the appropriate 2021 Code Cases book: ...
比如这个白色铝单板有做法，但是这些方通，工字钢没做法咋办，大哥们
