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.
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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
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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
iv...
ASME BPVC.IX-2021 SECTION IX 2021版 ASME锅炉与压力容器规范 第九部分：焊接、钎接和熔接工艺评定.pdf
