BS EN ISO 15792-3-2011 Welding consumables Test methods Classification testing of positional capacity and root penetration of welding consumables in a fillet weld《焊料 试验方法 角焊中焊料定位能力.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 15792-3:2011Welding consumables TestmethodsPart 3: Classification testing of positionalcapacity and root penetration of weldingconsumables in a fillet weld (ISO15792-3:

2、2011)BS EN ISO 15792-3:2011 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO15792-3:2011. It supersedes BS EN ISO 15792-3:2008 which iswithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee WEE/39, Welding consumables.A list of

3、organizations 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 72580 7ICS 25.160.20Compliance with a British Standa

4、rd cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 June 2011.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 15792-3 May 2011 ICS 25.

5、160.20 Supersedes EN ISO 15792-3:2008English Version Welding consumables - Test methods - Part 3: Classification testing of positional capacity and root penetration of welding consumables in a fillet weld (ISO 15792-3:2011) Produits consommables pour le soudage - Mthodes dessai - Partie 3: valuation

6、 de laptitude au soudage en position et de la pntration en racine des produits consommables pour les soudures dangle (ISO 15792-3:2011) This European Standard was approved by CEN on 14 May 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions

7、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. This European Standard exists in th

8、ree 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 members are the national standards b

9、odies 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, Spain, Sweden, Switzerland and United

10、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 Members. Ref. No. EN ISO 15792-3:201

11、1: EBS EN ISO 15792-3:2011EN ISO 15792-3:2011 (E) 3 Foreword This document (EN ISO 15792-3:2011) has been prepared by Technical Committee ISO/TC 44 “Welding and allied processes“ in collaboration with Technical Committee CEN/TC 121 “Welding” the secretariat of which is held by DIN. This European Sta

12、ndard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2011, and conflicting national standards shall be withdrawn at the latest by November 2011. Attention is drawn to the possibility that some of the elements

13、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 ISO 15792-3:2008. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following

14、 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, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia,

15、 Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 15792-3:2011 has been approved by CEN as a EN ISO 15792-3:2011 without any modification. BS EN ISO 15792-3:2011ISO 15792-3:2011(E) ISO 2011 All rights reserved iiiForeword ISO (the International Organiza

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

17、has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. In

18、ternational Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publi

19、cation as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent r

20、ights. ISO 15792-3 was prepared by Technical Committee ISO/TC 44, Welding and allied processes, Subcommittee SC 3, Welding consumables. This second edition cancels and replaces the first edition (ISO 15792-3:2000). It also incorporates the Technical Corrigendum ISO 15792-3:2000/Cor.1:2006. ISO 15792

21、 consists of the following parts, under the general title Welding consumables Test methods: Part 1: Test methods for all-weld metal test specimens in steel, nickel and nickel alloys Part 2: Preparation of single-run and two-run technique test specimens in steel Part 3: Classification testing of posi

22、tional capacity and root penetration of welding consumables in a fillet weld Requests for official interpretations of any aspect of this part of ISO 15792 should be directed to the Secretariat of ISO/TC 44/SC 3 via your national standards body. A complete listing of these bodies can be found at www.

23、iso.org. BS EN ISO 15792-3:2011ISO 15792-3:2011(E) iv ISO 2011 All rights reservedIntroduction This part of ISO 15792 specifies the preparation and assessment of fillet weld test pieces. The test conditions specified and results required should not be considered to be requirements or expectations fo

24、r a procedure qualification. BS EN ISO 15792-3:2011INTERNATIONAL STANDARD ISO 15792-3:2011(E) ISO 2011 All rights reserved 1Welding consumables Test methods Part 3: Classification testing of positional capacity and root penetration of welding consumables in a fillet weld 1 Scope This part of ISO 157

25、92 specifies the preparation and assessment of fillet weld test pieces for conformity assessment of positional usability and root penetration requirements for consumables classification standards for welding non-alloy and fine grain steels, low alloy steels, stainless steels, and nickel base alloys.

26、 This part of ISO 15792 does not specify acceptance requirements. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced docum

27、ent (including any amendments) applies. ISO 6947, Welding and allied processes Welding positions 3 General requirements Samples of welding consumables (electrodes or wires) to be tested shall be representative of the manufacturers products being classified. Test pieces shall be prepared and tested a

28、s specified in Clauses 5 and 6, as well as in the classification standard. The test results shall fulfil the requirements of the classification standard. 4 Test plate material The plate material shall be selected from the range of materials and material thicknesses specified in the classification st

29、andard. The surfaces to be welded shall be free of scale, rust, and other contaminants. 5 Preparation of the test piece 5.1 Before assembly, the web piece of the assembly shall have one edge of the web flat and square throughout its length so that, when the web is set on the flange, which shall be s

30、traight and smooth, there will be intimate contact along the entire length of the joint. The web and flange shall be assembled as shown in Figure 1. Both ends of the joint shall be secured by tack welds to maintain intimate contact along the length of the joint and to maintain the 90 angle between t

31、he web and flange. The web and flange dimensions shall be in accordance with those given in the electrode classification standard. BS EN ISO 15792-3:2011ISO 15792-3:2011(E) 2 ISO 2011 All rights reservedDimensions in millimetres Key 1 web 2 flange If not specified in the classification standard, the

32、 following values can be used: t: 10 mm to 12 mm; w: 75 mm; l: 300 mm. aStart. bEnd of deposit made with first electrode. cDirection of welding. dCut here for macrosection. eFlange to be straight and in intimate contact with the flat square edge of web member along entire length. Figure 1 Preparatio

33、n of fillet weld test piece 5.2 The position of welding and conditions of welding shall be as prescribed in the relevant standard for the classification and size of consumable under test, and as defined in ISO 6947. A single pass fillet weld shall be deposited on one side of the joint for approximat

34、ely the full length of the test piece. The minimum temperature of the assembly shall be 5 C. For covered electrodes, at least one electrode (and as many more as the weld permits) shall be continuously consumed to within the permissible stub length of 50 mm. For electrodes longer than 450 mm, designe

35、d specifically for use in gravity welding, the fillet weld may be made either manually or with a device designed specifically for gravity welding. For wire electrodes, tubular cored electrodes and wires, welding shall be continuous from start to finish of the fillet weld. 5.3 The fillet shall be dep

36、osited using welding speeds compatible with the consumable classification and tested to provide the fillet weld size required by the electrode classification standard. 5.4 If welding of the second side of the test piece is required by the consumable classification standard, the test piece shall be c

37、ooled to room temperature by any convenient means, before starting to weld the second side of the joint. BS EN ISO 15792-3:2011ISO 15792-3:2011(E) ISO 2011 All rights reserved 3If water is used as the coolant, care shall be taken that all water has been thoroughly removed from the joint before begin

38、ning welding on the second side. 6 Examination of the test piece 6.1 Throat thickness and leg length shall be measured at a minimum of three points along the length of the weld using an appropriate gauge to demonstrate conformity with the requirements of the classification standard. For covered elec

39、trodes, where two or more electrodes are used, a macrosection, approximately 25 mm wide, shall be removed from a point approximately 25 mm back from the crater end of the deposit made with the first electrode. For continuous consumables and covered electrodes where only one electrode is used, a macr

40、osection, approximately 25 mm wide, shall be removed from approximately the midpoint of the weld length. 6.2 One surface of the macrosection shall be polished, etched, and scribed as shown in Figure 2. The throat, convexity or concavity, and leg lengths of the fillet weld shall be determined to the

41、nearest 0,5 mm by actual measurement of the polished and etched macrosection. If fillet welds are required by the consumable classification standard on both sides of the test piece, then both fillet welds shall be measured on the same macrosection. a) Convex fillet weld b) Concave fillet Size of fil

42、let weld leg length of largest inscribed isosceles right angle. Fillet weld size, convexity and leg lengths shall be determined by actual measurement (to nearest 0,5 mm) on a section laid out with scribe lines as shown. aLeg length = fillet weld size. eTheoretical throat. bConvexity or concavity. fF

43、illet weld size. cScribe lines. gLeg length fillet weld size. dDifference in leg length. hLeg of fillet. Figure 2 Dimensions of fillet welds BS EN ISO 15792-3:2011ISO 15792-3:2011(E) 4 ISO 2011 All rights reserved6.3 For fillet weld test pieces welded from one side only, when required by the consuma

44、ble classification standard, the remaining two joint sections shall be broken longitudinally through the fillet weld by a force exerted in the direction shown in Figure 3. If, during bending, the weld pulls out of the test plate, it shall be considered as a no test, and the test shall be repeated wi

45、thout penalty. 6.4 If necessary to facilitate fracture through the throat of the fillet weld, one or more of the following procedures may be used: a) reinforcing welds, as shown in Figure 3 a), may be added to each leg of the weld; b) the position of the web on the flange may be changed as shown in

46、Figure 3 b); c) the face of the weld may be notched as shown in Figure 3 c); d) the test piece may be cooled down below 0 C. a) Reinforcing welds b) Offset of web c) Notching Key 1 web 2 flange aFracturing force. bReinforcing welds. c3/4 width of flange. dMaximum depth of notch = 1/2 actual throat.

47、Figure 3 Alternative methods for facilitating fillet weld fracture 7 Test report The test report shall include all of the following items which are applicable: a) welding consumable(s) and test assembly: the classification standard to which the consumable(s) is (are) being tested, base metal from wh

48、ich the test piece is made, the trade name(s) and intended classification(s) of the consumable(s) being tested, heat or lot number(s) of the consumable(s) being tested, redrying conditions for the consumable(s); BS EN ISO 15792-3:2011ISO 15792-3:2011(E) ISO 2011 All rights reserved 5b) welding condi

49、tions: welding process, power source, electrode diameter, electrode polarity, welding current, wire feed speed, arc voltage, travel speed, contact-tip-to-work distance, type and flow rate of shielding gas, preheat and interpass temperature, position of welding; c) any deviations from this part of ISO 15792; d) test results: visual examination, fillet leg lengths and difference(s) in leg lengths, convexity or concavity of the fillet, theoretical throat of the fillet, di

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