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    BS EN ISO 9606-3-1999 Approval testing of welders - Fusion welding - Copper and copper alloys《焊工的认可测试 熔焊 铜及铜合金》.pdf

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    BS EN ISO 9606-3-1999 Approval testing of welders - Fusion welding - Copper and copper alloys《焊工的认可测试 熔焊 铜及铜合金》.pdf

    1、BRITISH STANDARD BS EN ISO 9606-3:1999 Approval testing of welders Fusion welding Part 3: Copper and copper alloys The European Standard EN ISO9606-3:1999 has the status of a BritishStandard ICS 25.160.10BSENISO9606-3:1999 This BritishStandard, having been prepared under the directionof the Engineer

    2、ing SectorCommittee, was publishedunder the authorityofthe Standards Committee andcomes intoeffecton 15May1999 BSI 03-2000 ISBN 0 580 32295 5 National foreword This BritishStandard is the English language version of EN ISO9606-3:1999. It is identical with ISO9606-3:1998. The UK participation in its

    3、preparation was entrusted to Technical Committee WEE/36, Approval testing of welding procedures and welders, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change

    4、, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references Attention is drawn to the fact that CEN and CENELEC standar

    5、ds normally include an annex which lists normative references to international publications with their corresponding European publications. The BritishStandards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled “Intern

    6、ational Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a B

    7、ritish Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theEN ISO title page, pages2 to24 and a back cover. This standard has been updated (see copyright date) and may have had amendment

    8、s incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No. Date CommentsBSENISO9606-3:1999 BSI 03-2000 i Contents Page National foreword Inside front cover Foreword 2 Text of EN ISO9606-3 5ii blankEUROPEAN STANDARD NORME EURO

    9、PENNE EUROPISCHE NORM EN ISO9606-3 April 1999 ICS 25.160.10 English version Approval testing of welders Fusion welding Part3:Copper and copper alloys (ISO9606-3:1999) Epreuve de qualification des soudeurs Soudage par fusion Partie3: Cuivre et ses alliages (ISO9606-3:1999) Prfung von Schweiern Schmel

    10、zschweien Teil3: Kupfer und Kupferlegierungen (ISO9606-3:1999) This European Standard was approved by CEN on20 November1998. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard wi

    11、thout any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language

    12、 made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, CzechRepublic, Denmark, Finland, France, Germany, Greece, Icela

    13、nd, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1999 CEN All rights of exploi

    14、tation in any form and by any means reserved worldwide for CEN national Members. Ref. No. ENISO9606-3:1999 EENISO9606-3:1999 BSI 03-2000 2 Foreword The text of EN ISO9606-3:1999 has been prepared by Technical Committee CEN/TC121 “Welding”, the secretariat of which is held by DS, in collaboration wit

    15、h Technical Committee ISO/TC44 “Welding and allied processes”. 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 October1999, and conflicting national standards shall be withdrawn at the latest by O

    16、ctober1999. This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), seeinformative Annex ZB, which is an integral part of t

    17、his standard. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherland

    18、s, Norway, Portugal, Spain, Sweden, Switzerland and theUnitedKingdom. Contents Page Foreword 2 Introduction 5 1 Scope 5 2 Normative references 5 3 Definitions 6 4 Symbols and abbreviations 6 4.1 General 6 4.2 Test piece 6 4.3 Consumables 6 4.4 Miscellaneous 6 5 Essential variables for approval testi

    19、ng 6 5.1 General 6 5.2 Welding processes 6 5.3 Joint types (butt and fillet welds) 7 5.4 Material groups 7 5.5 Consumables 7 5.6 Dimensions 7 5.7 Number of test pieces 8 5.8 Welding positions 8 6 Range of approval for the welder 8 6.1 General 8 6.2 Welding process 8 6.3 Joint types 8 6.4 Material gr

    20、oups 9 6.5 Consumables 10 6.6 Dimensions 10 6.7 Welding positions 10 7 Examination and testing 12 7.1 Supervision 12 7.2 Shapes and dimensions of test pieces 12 7.3 Welding conditions 13 7.4 Test methods 14 7.5 Test piece and test specimens 14 8 Acceptance requirements for test pieces 18 9 Re-tests

    21、18 10 Period of validity 18 10.1 Initial approval 18 10.2 Prolongation 19 11 Certificate 19 12 Designation 19 Annex A (informative) Job knowledge 21 Annex ZA (informative) Bibliography 23ENISO9606-3:1999 BSI 03-2000 3 Page Annex ZB (informative) Clauses of this EuropeanStandard addressing essential

    22、requirements or other provisions of EU Directives 24 Figure 1 Dimensions of test piece for a butt weld in plate 12 Figure 2 Dimensions of test piece for fillet weld(s) on plate 12 Figure 3 Dimensions of test piece for a butt weld in pipe 13 Figure 4 Dimensions of test piece for a fillet weld on pipe

    23、 13 Figure 5 Preparation and fracture testing of test specimens for a butt weld in plate 15 Figure 6 Preparation and fracture testing of test specimens for a fillet weld on plate 16 Figure 7 Preparation and fracture testing of test specimens for a butt weld in pipe 17 Figure 8 Preparation and fractu

    24、re testing of test specimens for a fillet weld on pipe 18 Table 1 Test piece (plate or pipe) and range ofapproval 8 Table 2 Test piece diameter and range of approval 8 Table 3 Range of approval for tests on butt joints(Details of the weld type) 9 Table 4 Range of approval for parent metal 10 Table 5

    25、 Range of approval according to weldingposition 11 Table 6 Test methods 14 Table ZA.1 ISO standards corresponding to theEuropean standards quoted in clause2 23 Table ZB.1 Correspondence between this European Standard andDirective97/23/EEC 244 blankENISO9606-3:1999 BSI 03-2000 5 Introduction This sta

    26、ndard covers the principles to be observed in the approval testing of welder performance for the fusion welding of copper and copper alloys. The term “copper” stands for copper and weldable copper alloys. The ability of the welder to follow verbal or written instructions and testing of his skill are

    27、 important factors in ensuring the quality of the welded product. Testing of skill to this standard depends on welding methods in which uniform rules and test conditions are complied with, and standard test pieces are used. The test weld can be used to approve a welding procedure and a welder provid

    28、ed that all the relevant requirements, e.g.test piece dimensions, are satisfied (see relevant part of EN288-2). 1 Scope This standard specifies essential requirements, ranges of approval, test conditions, acceptance requirements and certification for the approval testing of welder performance for th

    29、e welding of copper. This standard applies to the approval testing of welders for the fusion welding of copper. This standard is intended to provide the basis for the mutual recognition by examining bodies for approval relating to welders competence in the various fields of application. Tests will b

    30、e carried out in accordance with this standard unless more severe tests are specified by the relevant application standard when these are applied. During the approval test the welder should be required to show adequate practical experience and job knowledge (test non mandatory) of the welding proces

    31、ses, materials and safety requirements for which he is to be approved; information on these aspects is given in Annex A. This standard is applicable when the welders approval testing is required by the purchaser, by inspection authorities or by other organizations. The welding processes referred to

    32、in this standard include those fusion welding processes which are designated as manual or partly mechanized welding. It does not cover fully mechanized and automatic processes (see5.2). This standard covers approval testing of welders for work on semi-finished and finished products made from wrought

    33、, forged or cast material types listed in5.4. The certificate of approval testing is issued under the sole responsibility of the examiner or examining body. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative r

    34、eferences are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references

    35、the latest edition of the publication referred to applies. EN 287-1:1992, Approval testing of welders Fusion welding Part1: Steels. EN 287-2:1992, Approval testing of welders Fusion welding Part2: Aluminium and aluminium alloys. EN 288-2:1992, Specification and approval of welding procedures for met

    36、allic materials Part2: Welding procedure specification for arc welding. EN 571-1, Non destructive testing Penetrant testing Part1: General principles. EN 895, Destructive tests on welds in metallic materials Transverse tensile test. EN 910, Destructive tests on welds in metallic materials Bend tests

    37、. EN 970, Non-destructive examination of fusion welds Visual examination. EN 1289, Non-destructive examination of welds Penetrant testing of welds Acceptance levels. EN 1320, Destructive tests on welds in metallic materials Fracture test. EN 1321, Destructive tests on welds in metallic materials Mac

    38、roscopic and microscopic examination of welds. ENISO9606-3:1999 6 BSI 03-2000 EN 1435, Non-destructive examination of welds Radiographic examination of welded joints. EN 24063:1992, Welding, brazing, soldering and braze welding of metals Nomenclature of processes and reference numbers for symbolic r

    39、epresentation on drawings. (ISO4063:1990) EN 26520:1991, Classification of imperfections in metallic fusion welds, with explanations. (ISO6520:1982) EN 30042:1994, Arc-welded joints in aluminium and its weldable alloys Guidance on quality levels for imperfections. (ISO10042:1992) EN ISO6947:1997, We

    40、lds Working positions Definitions of angles of slope and rotation. (ISO6947:1993) CR 12187, Welding Guidelines for a grouping system of materials for welding purposes. ISO 857:1990, Welding, brazing and soldering processes Vocabulary. 3 Definitions For the purposes of this standard, the definitions

    41、given in EN287-1 apply. 4 Symbols and abbreviations 4.1 General Where the full wording is not used, the following symbols and abbreviations shall be used when completing the test certificate in accordance with Annex A of EN287-2:1992. 4.2 Test piece 4.3 Consumables 4.4 Miscellaneous 5 Essential vari

    42、ables for approval testing 5.1 General The criteria specified in this clause shall be examined in order to identify the ability of the welder in these areas. Each criterion is considered to be a significant factor in the approval testing. The welders approval test shall be carried out on test pieces

    43、 and is independent of the type of construction. 5.2 Welding processes Welding processes are defined in ISO857 and reference numbers of welding processes for symbolic representation are listed in EN24063. a nominal throat thickness; BW butt weld; D outside diameter of pipe; FW fillet weld; P plate;

    44、t plate or pipe wall thickness; T pipe; z leg length of fillet weld. nm no filler metal; wm with filler metal. bs welding from both sides; gg back grinding or back milling of welds; mb welding with backing material; nb welding without backing; ng no back grinding or back milling; ss single-side weld

    45、ingENISO9606-3:1999 BSI 03-2000 7 This standard covers the following welding processes: other fusion welding processes by agreement. 5.3 Joint types (butt and fillet welds) Test pieces shall be produced for butt weld (BW) and fillet weld (FW) in plates (P) or pipes 1)(T) for approval tests in accord

    46、ance with7.2. 5.4 Material groups 5.4.1 General In order to minimize unnecessary multiplication of technically identical tests, copper with similar metallurgical and welding characteristics are grouped for the purpose of a welders approval (see5.4.2). In general, a welders approval test shall involv

    47、e depositing weld metal having a chemical composition compatible with any copper in the parent metal group(s). The welding of any one material in a group confers approval on the welder for the welding of all other materials within the same group. When welding parent metals from two different groups

    48、which do not give approval to each other according to Table 4 (see6.4), an approval for the combination as a separate group is required. When the filler metal is dissimilar to the parent metal group, an approval for that combination of parent metal group and filler metal is needed, except when permi

    49、tted by Table 4. 5.4.2 Copper groups of parent metal 5.4.2.1 General Copper casting alloys are included in the following groups but the filler metal shall be compatible with the filler metal used for the wrought materials in the same group. Material groups according to CR12187 5.4.2.2 Group W31: Pure copper 5.4.2.3 Group W32: Copper-zinc alloys 5.4.2.4 Group W33: Copper-tin alloys 5.4.2.5 Group W34: Copper-nickel alloys 5.4.2.6 Group W35: Copper-aluminium alloys 5.4.2.7 Group W36: Copper-nickel-zin


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