BS EN ISO 5178-2011 Destructive tests on welds in metallic materials Longitudinal tensile test on weld metal in fusion welded joints《金属材料焊缝的破坏试验 熔焊接头的焊接金属的纵向拉伸试验》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 5178:2011Destructive tests on weldsin metallic materials Longitudinal tensile test onweld metal in fusion weldedjoints (ISO 5178:2001)BS EN ISO 5178:2011 BRITISH STANDA

2、RDNational forewordThis British Standard is the UK implementation of EN ISO 5178:2011.It is identical to ISO 5178:2001. It supersedes BS EN 876:1995 which iswithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee WEE/-/1, Briefing committee for welding.A list of organiz

3、ations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 72100 7ICS 25.160.40Compliance with a British Standard cann

4、ot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 March 2011.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 5178 March 2011 ICS 25.160.40

5、Supersedes EN 876:1995English Version Destructive tests on welds in metallic materials - Longitudinal tensile test on weld metal in fusion welded joints (ISO 5178:2001) Essais destructifs des soudures sur matriaux mtalliques -Essai de traction longitudinale du mtal fondu des assemblages souds par fu

6、sion (ISO 5178:2001) Zerstrende Prfung von Schweiverbindungen an metallischen Werkstoffen - Lngszugversuch an Schweigut in Schmelzschweiverbindungen (ISO 5178:2001) This European Standard was approved by CEN on 13 February 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulatio

7、ns which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. T

8、his European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN me

9、mbers are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spai

10、n, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Me

11、mbers. Ref. No. EN ISO 5178:2011: EBS EN ISO 5178:2011EN ISO 5178:2011 (E) 3 Foreword The text of ISO 5178:2001 has been prepared by Technical Committee ISO/TC 44 “Welding and allied processes” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 5178:2011 by

12、 Technical Committee CEN/TC 121 “Welding” the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2011, and conflicting national standards shall be withd

13、rawn at the latest by September 2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 876:1995. According

14、to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, L

15、atvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 5178:2001 has been approved by CEN as a EN ISO 5178:2011 without any modification. BS EN ISO 5178:2011ISO 517

16、8:2001(E) ISO 2001 All rights reserved iiiContents PageForeword. iv1 Scope . .12 Normative reference 13 Principle. .14 Symbols and abbreviated terms 15 Removal of test specimens 25.1 Location 25.2 Marking .25.3 Heat treatment and/or ageing. 25.4 Extraction .25.5 Machining of test specimens 35.6 Dime

17、nsions .45.7 Surface quality .46 Conditions of testing. 47 Test results.57.1 General57.2 Examination of fracture surfaces.58 Test report 5Annex A (informative) Example of a test report .6BS EN ISO 5178:2011ISO 5178:2001(E)iv ISO 2001 All rights reservedForewordISO (the International Organization for

18、 Standardization) is a worldwide federation of national standards bodies (ISOmember bodies). The work of preparing International Standards is normally carried out through ISO technicalcommittees. Each member body interested in a subject for which a technical committee has been established hasthe rig

19、ht to be represented on that committee. International organizations, governmental and non-governmental, inliaison with ISO, also take part in the work. ISO collaborates closely with the International ElectrotechnicalCommission (IEC) on all matters of electrotechnical standardization.International St

20、andards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.Publication as an International Standard requires approval by at least 75 % of the member bodies c

21、asting a vote.Attention is drawn to the possibility that some of the elements of this International Standard may be the subject ofpatent rights. ISO shall not be held responsible for identifying any or all such patent rights.International Standard ISO 5178 was prepared by Technical Committee ISO/TC

22、44, Welding and allied processes,Subcommittee SC 5, Testing and inspection of welds.Annex A of this International Standard is for information only.BS EN ISO 5178:2011INTERNATIONAL STANDARD ISO 5178:2001(E) ISO 2001 All rights reserved 1Destructive tests on welds in metallic materials Longitudinalten

23、sile test on weld metal in fusion welded joints1 ScopeThis International Standard specifies the sizes of test specimens and the test procedure for carrying out longitudinaltensile tests on cylindrical test specimens in order to determine the mechanical properties of weld metal in a fusionwelded join

24、t.This International Standard applies to metallic materials in all forms of product with joints made by any fusionwelding process, having joint sizes that are sufficient to obtain cylindrical test specimens with dimensions inaccordance with ISO 6892.Unless specified otherwise for specific points in

25、this International Standard, the general principles of ISO 6892apply.2 Normative referenceThe following normative document contains provisions which, through reference in this text, constitute provisions ofthis International Standard. For dated references, subsequent amendments to, or revisions of,

26、this publications donot apply. However, parties to agreements based on this International Standard are encouraged to investigate thepossibility of applying the most recent edition of the normative document indicated below. For undated references,the latest edition of the normative document referred

27、to applies. Members of ISO and IEC maintain registers ofcurrently valid International Standards.ISO 6892, Metallic materials Tensile testing at ambient temperature.3PrincipleAn increasing tensile load is continuously applied until rupture occurs in a cylindrical test specimen takenlongitudinally fro

28、m the weld metal in a welded joint.Unless otherwise specified, the test shall be carried out at ambient temperature (23 Gb1 5) C.4 Symbols and abbreviated termsThe symbols and abbreviated terms to be used for the longitudinal tensile tests are specified in ISO 6892.BS EN ISO 5178:2011ISO 5178:2001(E

29、)2 ISO 2001 All rights reserved5 Removal of test specimens5.1 LocationThe test specimen shall be taken longitudinally from the welded joint of the manufactured product or from the testpiece. After machining, the parallel length of the test specimen shall consist only of weld metal (see Figures 1and

30、2).To enable correct positioning of the test specimen in the joint, the joint cross-section at both ends of the testspecimen can be macroetched.5.2 MarkingEach test piece shall be marked in order to identify its exact location in the manufactured product or in the jointfrom which it has been removed

31、.Each test specimen shall be marked in order to identify its exact location in the test piece from which it has beentaken.When removed from the test piece, each test specimen shall be marked.5.3 Heat treatment and/or ageingNo heat treatment shall be applied to the welded joint or to the test specime

32、n unless it is specified or permitted bythe relevant application standard dealing with the welded joint to be tested. Details of any heat treatment shall berecorded in the test report. If natural ageing of aluminium alloys takes place, the time between welding and testingshall be recorded.NOTE The p

33、resence of hydrogen in ferrous weld metals may adversely affect the test results and suitable hydrogenrelease treatment may be necessary.5.4 Extraction5.4.1 GeneralThe mechanical or thermal processes used to extract the test specimen shall not change the properties of the testspecimen in any way.5.4

34、.2 SteelShearing is excluded for thicknesses G3e 8 mm. If thermal cutting or other cutting methods which could affect the cutsurfaces are used to cut the test specimen from the welded plate, or from the test piece, the cuts shall be made ata distance W 8 mm from the surfaces of the final parallel le

35、ngth of the test specimen. Thermal cutting shall not beused parallel to the original surface of the welded plate or of the test piece.5.4.3 Other metallic materialsShearing and thermal cutting are excluded and only machining (e.g. sawing and turning) shall be used.BS EN ISO 5178:2011ISO 5178:2001(E)

36、 ISO 2001 All rights reserved 35.5 Machining of test specimens5.5.1 LocationUnless specified otherwise in the particular application standard dealing with the welded joint under examination,the test specimens shall be taken from the centre of the weld metal as shown in Figure 1 and the cross-section

37、 asshown in Figure 2. In the case where the test specimen is not taken from mid-thickness, the distance from thesurfaces, t1, shall be recorded (see Figures 2 a) and b). In the case of very thick or double-sided welded joints,more than one test specimen may be taken at different locations through th

38、e thickness (see Figure 2 c), in whichcase the distances, t1and t2, of each test specimen in the joint cross-section shall be recorded.Figure 1 Examples of location of test specimens Longitudinal plane sectionBS EN ISO 5178:2011ISO 5178:2001(E)4 ISO 2001 All rights reserveda) All-weld metal test spe

39、cimenfor welding consumableclassificationb) Test specimen from a jointwelded from one side onlyc) Test specimen from a jointwelded from both sidesFigure 2 Examples of location of test specimens Cross section5.6 DimensionsEach test specimen shall have a circular cross-section, and its dimensions, exp

40、ressed as functions of the diameterd of the parallel length shall conform to ISO 6892.It shall have a normal diameter d of 10 mm. If this is not possible, the diameter shall be as large as possible but notless than 4 mm. The actual size shall be recorded in the test report.The gripped ends of the te

41、st specimens shall be compatible with the tensile testing machine used.5.7 Surface qualityThe tolerances specified in ISO 6892 shall apply.Strain-hardening or excessive heating of the material shall be avoided.6 Conditions of testingThe test specimen shall be loaded gradually and continuously in acc

42、ordance with ISO 6892.BS EN ISO 5178:2011ISO 5178:2001(E) ISO 2001 All rights reserved 57 Test results7.1 GeneralThe test results shall be determined in accordance with ISO 6892.7.2 Examination of fracture surfacesAfter rupture of the test specimen, the fracture surfaces shall be examined and the ex

43、istence of any imperfectionsthat may have adversely affected the test shall be recorded, including their type, size and quantity. If fish eyes arepresent, they shall be recorded and only their central regions shall be considered as imperfections.8 Test reportThe test report shall include the followi

44、ng information in addition to that given in ISO 6892:a) reference to this International Standard, i.e. ISO 5178;b) location of test specimen, sketch if required (see Figures 1 and 2);c) test temperature, if different from the ambient temperature;d) type and dimensions of imperfections observed;e) th

45、e diameter d.An example of a typical test report is given in annex A.BS EN ISO 5178:2011ISO 5178:2001(E)6 ISO 2001 All rights reservedAnnex A(informative)Example of a test reportNo. .According to WPS According to test result “tensile test“test result “ “Manufacturer: Purpose of the examination: Form

46、 of product: Parent metal: Filler metal: Table A.1 Longitudinal tensile test in accordance with ISO 5178TestspecimenNo./positionDimension/diametermmFpNFmNRpN/mm2RmN/mm2L0mmA%Z%Testtem-peratureCRemarke.g. fractureappearanceExaminer or test body: Certified by:(name, date and signature) (name, date and

47、 signature)BS EN ISO 5178:2011This page deliberately left blankThis page deliberately left blankBSI is the independent national body responsible for preparing British Standardsand other standards-related publications, information and services. It presents the UK view on standards in Europe and at th

48、e international level. It is incorporated by Royal Charter.British Standards Institution (BSI)raising standards worldwideBSI Group Headquarters389 Chiswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards are updated by amendment or revision. Users of British Stan-dards

49、 should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve the quality of our products and serv-ices. We would be grateful if anyone finding an inaccuracy or ambiguity whileusing this British Standard would inform the Secretary of the technical com-mittee responsible, the identity of which can be found on the inside frontcover.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001BSI offers Members an individual updating service called PL

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