ASME B31J-2008 Standard Test Method for Determining Stress Intensification Factors (i-Factors) for Metallic Piping Components《金属管部件用应力增强系数测定用标准试验方法》.pdf
《ASME B31J-2008 Standard Test Method for Determining Stress Intensification Factors (i-Factors) for Metallic Piping Components《金属管部件用应力增强系数测定用标准试验方法》.pdf》由会员分享,可在线阅读,更多相关《ASME B31J-2008 Standard Test Method for Determining Stress Intensification Factors (i-Factors) for Metallic Piping Components《金属管部件用应力增强系数测定用标准试验方法》.pdf(20页珍藏版)》请在麦多课文档分享上搜索。
1、Standard Test Method for Determining Stress Intensification Factors (i-Factors) for Metallic Piping ComponentsASME Code for Pressure Piping, B31AN AMERICAN NATIONAL STANDARDASME B31J-2008Intentionally left blank ASME B31J-2008Standard Test Methodfor Determining StressIntensification Factors(i-Factor
2、s) for MetallicPiping ComponentsASME Code for Pressure Piping, B31AN AMERICAN NATIONAL STANDARDDate of Issuance: May 30, 2008This Standard will be revised when the Society approves the issuance of a new edition. There willbe no addenda issued to this edition.ASME issues written replies to inquiries
3、concerning interpretations of technical aspects of thisStandard. Interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org as they are issued and will also be published within the next edition of thisStandard.ASME is the registered trademark of The America
4、n Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards. The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had
5、an opportunity to participate. The proposed code or standard was madeavailable for public review and comment that provides an opportunity for additional public input from industry, academia,regulatory agencies, and the public-at-large.ASME does not “approve,” “rate,” or “endorse” any item, construct
6、ion, 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 liability forinfringement of any applicable let
7、ters patent, nor assume any such liability. Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights, and the risk of infringement of such rights, isentirely their own responsibility.Participation by federal agency representative(s) or person(s) a
8、ffiliated 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 establishedASME procedures and policies, which precludes the issuance of interpreta
9、tions by individuals.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.The American Society of Mechanical EngineersThree Park Avenue, New York, NY 10016-5990Copyright 2008 byTHE AMERICAN SOCIETY
10、 OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword ivCommittee Roster . vCorrespondence With the B31 Committee viIntroduction . vii1 General. 12 Definitions 13 Test Procedure 14 Stress Intensification Factor 35 Variations in Materials and Geometry. 46 Test Report . 4Figures
11、3.1 Representative Test Arrangement . 23.3 Displacement, D, and Force, F, Recorded During Loading and Unloading of a TestSpecimen, in Both Positive and Negative Directions, With LinearDisplacement 2Table4.4 Stress Intensification Increase Factor 3Nonmandatory AppendixA Commentary on B31J 5iiiFOREWOR
12、DIn 1990, the B31 Code for Pressure Piping, Technical Committee on Mechanical Design (MDC),determined that there was a need to develop a standard test method to determine stress intensifica-tion factors (SIFs or i-factors) for piping components and joints. At the time, the B31 Code booksprovided SIF
13、s for various standard piping components and joints, but did not provide guidanceon how to establish SIFs for nonstandard piping components or joints.This Standard is intended to provide a uniform approach to the development of SIFs forstandard, nonstandard, and proprietary piping components and joi
14、nts of all types. In its develop-ment, this Standard has been reviewed by individuals and committees of the Boiler and PressureVessel Code, B31, and B16. Comments resulting from the review have been considered andresponded to, with revisions made to the Standard as appropriate.Under direction of ASM
15、E Codes and Standards, both U.S. Customary and SI units are provided.This Standard was approved by the American National Standards Institute on April 18, 2008.ivASME B31 COMMITTEECode for Pressure Piping(The following is the roster of the Committee at the time of approval of this Standard.)COMMITTEE
16、 OFFICERSM. L. Nayyar, ChairK. C. Bodenhamer, Vice ChairN. Lobo, SecretaryCOMMITTEE PERSONNELH. A. Ainsworth, ConsultantR. J. T. Appleby, ExxonMobil Upstream Research Co.C. Becht IV, Becht Engineering Co.A. E. Beyer, Fluor DanielK. C. Bodenhamer, Enterprise Products Co.J. S. Chin, TransCanada Pipeli
17、ne USD. L. Coym, Worley ParsonsJ. A. Drake, Spectra Energy TransmissionD. M. Fox, Atmos EnergyJ. W. Frey, Stress Engineering Service, Inc.D. R. Frikken, Becht Engineering Co.R. A. Grichuk, Fluor Corp.L. E. Hayden, Jr., ConsultantG. A. Jolly, Vogt Valves Flowserve Corp.W. J. Koves, UOP LLCN. Lobo, Th
18、e American Society of Mechanical EngineersB31 MECHANICAL DESIGN TECHNICAL COMMITTEEW. J. Koves, Chair, UOP LLCG. A. Antaki, Vice Chair, Becht Nuclear ServicesT. Lazar, Secretary, The American Society of Mechanical EngineersC. Becht IV, Becht Engineering Co.J. P. Breen, Becht Engineering Co.J. P. Ell
19、enberger, ConsultantD. J. Fetzner, BP Exploration Alaska, Inc.J. A. Graziano, Tennessee Valley AuthorityJ. D. Hart, SSD, Inc.R. W. Haupt, Pressure Piping Engineering Associates, Inc.B. P. Holbrook, Babcock Power, Inc.vR. P. Merrill, Evapco, Inc.J. E. Meyer, Louis Perry however, they shouldnot contai
20、n proprietary names or information.Requests that are not in this format will be rewritten in this format by the Committee priorto being answered, which may inadvertently change the intent of the original request.ASME procedures provide for reconsideration of any interpretation when or if additionali
21、nformation that might affect an interpretation is available. Further, persons aggrieved by aninterpretation may appeal to the cognizant ASME Committee or Subcommittee. ASME does not“approve,” “certify,” “rate,” or “endorse” any item, construction, proprietary device, or activity.Attending Committee
22、Meetings. The B31 Standards Committee regularly holds meetings, whichare open to the public. Persons wishing to attend any meeting should contact the Secretary ofthe B31 Standards Committee.viINTRODUCTIONThe ASME B31 Code for Pressure Piping consists of a number of individually published Sectionsand
23、 Standards, each an American National Standard, under the direction of the ASME CommitteeB31, Code for Pressure Piping.Rules for each Standard provide standardized guidance for a specific task found in one ormore B31 Section publications, as follows:(a) B31G, Remaining Strength of Corroded Pipelines
24、, provides a simplified procedure to deter-mine the effect of wall loss due to corrosion or corrosion-like defects on pressure integrity inpipeline systems.(b) B31J, Standard Test Method for Determining Stress Intensification Factors (i-Factors) forMetallic Piping Components, provides a standardized
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