1、EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 15085-3October 2007ICS 25.160.10; 45.060.01English VersionRailway applications - Welding of railway vehicles andcomponents - Part 3: Design requirementsApplications ferroviaires - Soudage des vhiculesferroviaires et des pices - Partie 3 : Exigences d
2、econceptionBahnanwendungen - Schweien von Schienenfahrzeugenund -fahrzeugteilen - Teil 3: KonstruktionsvorgabenThis European Standard was approved by CEN on 26 August 2007.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europea
3、nStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, Fr
4、ench, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus,
5、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 Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EURO
6、PEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15085-3:2007: EEN 15085-3:2007 (E) 2 Contents Page Foreword.5 Introduction
7、.6 1 Scope .7 2 Normative references .7 3 Terms and definitions .8 4 Design requirements .8 4.1 General.8 4.2 Joint static dimensioning .8 4.3 Joint fatigue dimensioning .9 4.4 Stress categories and stress factors.9 4.5 Safety categories .10 4.6 Weld performance classes .10 4.7 Weld inspection class
8、es .11 4.8 Relationship between stress category, safety category, weld performance class, quality levels for imperfections, inspection class and testing.12 5 Quality levels for imperfections .13 5.1 General.13 5.2 Quality levels for imperfections .13 6 Choice of parent metals and welding consumables
9、.15 6.1 Choice of parent metals .15 6.2 Choice of welding consumables.15 7 Weld joint design .16 7.1 General.16 7.2 Welding in cold formed areas.16 7.3 Manufacturing provisions.17 7.4 Joint preparation.28 Annex A (informative) List of welded joints .29 Annex B (informative) Joint preparation of weld
10、s .30 Annex C (informative) Joint preparation for plug welds .38 Annex D (informative) Types of joints in relation to stresses and inspection classes.39 Annex E (informative) Welded joint validation chart .40 Annex F (normative) Resistance spot welding .41 F.1 General.41 F.2 Minimum shear pull force
11、s .45 Annex G (informative) Determination of safety category for welded joints.47 Annex H (informative) Welding of 6000 series aluminium alloy extrusions Recommendations from the Aljoin project for improved crashworthiness.48 Bibliography .49 EN 15085-3:2007 (E) 3 Figures Figure 1 Example of box gir
12、der with high stress level in the tension flange .17 Figure 2 Butt joint on parts of dissimilar thickness.18 Figure 3 Weldability access for plug and slot welds .19 Figure 4 Dimensions for plug and slot welds .19 Figure 5 Minimum distance between molten areas.20 Figure 6 Stiffeners fitted perpendicu
13、larly to a longitudinal weld.20 Figure 7 Filler and drain ports .20 Figure 8 Design of gusset and stiffener ends.21 Figure 9 Gusset shape .21 Figure 10 Weld return .22 Figure 11 Edge distance for fillet welds .22 Figure 12 Minimum overlapping distance for overlapping welds.23 Figure 13 Example of ru
14、n-on and run-off plates for butt welds.23 Figure 14 Clamped joints .24 Figure 15 Mixed assemblies .25 Figure 16 Corrosion locations.25 Figure 17 Weld toe improvement .26 Figure 18 Intermittent welds .28 Figure D.1 Types of joints in relation to stresses and inspection classes.39 Figure F.1 Resistanc
15、e spot welding of angled profiles and plates.41 Figure F.2 Resistance spot welding of plates, single row.42 Figure F.3 Resistance spot welding of plates, double row .42 Figure F.4 Resistance spot welding of plates, double row, offset.42 Tables Table 1 Stress categories.10 Table 2 Weld performance cl
16、asses .11 Table 3 Correspondence between weld performance classes and inspection classes.12 Table 4 Relationship between stress category, safety category, weld performance class, quality levels for imperfections, inspection class and testing.12 Table 5 Quality levels for imperfections for steel rela
17、ted to weld performance class .13 Table 6 Quality levels for imperfections for aluminium and its alloys related to weld performance class.14 Table 7 Quality levels for imperfections for laser and electron beam welding for steel related to the weld performance class .14 Table 8 Quality levels for imp
18、erfections for laser and electron beam welding for aluminium and its alloys related to the weld performance class .15 Table 9 Welding in cold formed areas (for steel).17 EN 15085-3:2007 (E) 4 Table B.1 Joint preparations and throat thicknesses of welds.30 Table C.1 Joint preparations and throat thic
19、knesses of plug welds .38 Table F.1 Spot spacing, distance from edge.41 Table F.2 Quality requirements.43 Table F.3 Surface quality.45 Table F.4 Minimum shear pull forces for resistance spot welding joints of steel for weld performance classes CP C1, CP C2 and CP C3.46 Table F.5 Minimum shear pull f
20、orce for resistance spot welding joints of aluminium and alloys for the weld performance classes CP C1, CP C2 and CP C3 .46 EN 15085-3:2007 (E) 5 Foreword This document (EN 15085-3:2007) has been prepared by Technical Committee CEN/TC 256 “Railway applications”, the secretariat of which is held by D
21、IN. 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 April 2008, and conflicting national standards shall be withdrawn at the latest by April 2008. This series of European Standards EN 15085 Railwa
22、y applications Welding of railway vehicles and components consists of the following parts: Part 1: General Part 2: Quality requirements and certification of welding manufacturer Part 3: Design requirements Part 4: Production requirements Part 5: Inspection, testing and documentation Attention is dra
23、wn 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. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followi
24、ng countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Sloven
25、ia, Spain, Sweden, Switzerland and United Kingdom. EN 15085-3:2007 (E) 6 Introduction Welding is a special process in the manufacture of railway vehicles and their parts. The required provisions for this process are laid down in the standards series EN ISO 3834. The basis of these provisions is the basic technical welding standards in respect of the special requirements for the co
