BS-EN-1011-7-2004.pdf
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1、BRITISH STANDARD BS EN 1011-7:2004 Welding Recommendations for welding of metallic materials Part 7: Electron beam welding The European Standard EN 1011-7:2004 has the status of a British Standard ICS 25.160.10 ? Licensed Copy: sheffieldun sheffieldun, na, Thu Oct 26 02:04:23 GMT+00:00 2006, Uncontr
2、olled Copy, (c) BSI BS EN 1011-7:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 4 August 2004 BSI 4 August 2004 ISBN 0 580 44198 9 National foreword This British Standard is the official English language version of EN 1011-7:2004. The U
3、K participation in its preparation was entrusted to Technical Committee WEE/-/1, Briefing committee for welding, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement
4、international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not
5、 purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European com
6、mittee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to
7、 41 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Thu Oct 26 02:04:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDAR
8、D NORME EUROPENNE EUROPISCHE NORM EN 1011-7 July 2004 ICS 25.160.10 English version Welding - Recommendations for welding of metallic materials - Part 7: Electron beam welding Soudage - Recommandations pour le soudage des matriaux mtalliques - Partie 7 : Soudage par faisceau dlectrons Schweien - Emp
9、fehlungen zum Schweien metallischer Werkstoffe - Teil 7: Elektronenstrahlschweien This European Standard was approved by CEN on 30 April 2004. 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 na
10、tional standard without 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
11、any other language 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, Cyprus, Czech Republic, Denmark, Estonia, Fin
12、land, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE F
13、R NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1011-7:2004: E Licensed Copy: sheffieldun sheffieldun, na, Thu Oct 26 02:04:23 GMT+00:00 2006, Uncontrolled Copy,
14、(c) BSI EN 1011-7:2004 (E) 2 Contents page Foreword5 Introduction.6 1 Scope 7 2 Normative references7 3 Terms and definitions .7 4 Quality requirements.12 5 Storage and handling of parent metals and consumables .12 6 Welding facilities12 7 Qualification of the welding personnel13 8 Welding procedure
15、 specification.13 9 Welding procedure test.14 10 Joint preparation14 10.1 Machining.14 10.2 Demagnetisation14 10.3 Cleaning14 10.4 Assembly15 11 Joint design15 11.1 Longitudinal seams.15 11.2 Circular seams.16 12 Evacuation holes .17 13 Tack welds, cosmetic passes.17 14 Thermal pre- and post heat tr
16、eatment.18 15 Documentation.18 Annex A (informative) Information about weldability of metallic materials.19 A.1 General19 A.2 Steels and iron alloys19 A.3 Nickel and nickel alloys 20 A.4 Aluminium and magnesium alloys.20 A.5 Copper and copper alloys.20 A.6 Refractory and reactive metals 21 A.7 Dissi
17、milar metals .21 A.8 Non-metals .21 Annex B (informative) Information about causes of weld imperfections and prevention23 Annex C (informative) Summary of electron beam weldability of metals with reference to CR ISO 15608:2000 groups.26 C.1 Grouping system for steels26 C.2 Grouping system for alumin
18、ium and aluminium alloys.30 C.3 Grouping system for copper and copper alloys.31 C.4 Grouping system for nickel and nickel alloys31 C.5 Grouping system for titanium and titanium alloys.32 C.6 Grouping system for zirconium and zirconium alloys.32 C.7 Grouping system for cast iron .33 Licensed Copy: sh
19、effieldun sheffieldun, na, Thu Oct 26 02:04:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 1011-7:2004 (E) 3 Annex D (informative) Examples of preparation of circular joints34 Bibliography41 Figures Figure 1 Terms of electron beam oscillation.8 Figure 2 Definition of working distance and focusing
20、distance .9 Figure 3 Definition for termination of circular seams 10 Figure 4 Welding with interlayer material11 Figure 5 Welding of dissimilar metals with transition material.12 Figure 6 Example of preparation of surface treated work pieces.14 Figure 7 Normal square butt weld15 Figure 8 Square butt
21、 weld with spigot or integral backing16 Figure 9 Square butt weld with detached backing .16 Figure 10 Work piece with run-on and run-off plate for separating the weld start and weld end.16 Figure 11 Machining-related cavities.17 Figure 12 Weldment with additional hole for evacuating the cavity.17 Fi
22、gure A.1 Sensitivity of hot cracks depending of alloy contents in aluminium.22 Figure D.1 Various types of radial joints with centring34 Figure D.2 Work piece with radial joint, centred using a welding jig .35 Figure D.3 Work pieces with unsuitable and better positions for radial weld.35 Figure D.4
23、Various types of axial joints.36 Figure D.5 Example of an axial weld with a depth of fusion zone adapted to suit the strength requirement (not welded through the full thickness of the joint).36 Figure D.6 Improved joint detail for axial welds with reduced stress concentration .37 Figure D.7 Deterior
24、ation of joint fit-up that occurs when welding axial joints assembled with a clearance fit .37 Figure D.8 Effect of the method of manufacture on the dimensions of gear wheels .38 Figure D.9 Example of a gear wheel with an unsuitable located axial joint. The joint is too close to the central bore38 F
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