BS EN 1708-1-2010 Welding - Basic welded joint details in steel - Pressurized components《焊接 钢件基本焊接连接部件 受压的组件》.pdf
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1、BS EN1708-1:2010ICS 25.160.40NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDWelding Basicwelded joint details insteelPart 1: Pressurized componentsThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 31 January20
2、10 BSI 2010ISBN 978 0 580 55503 9Amendments/corrigenda issued since publicationDate CommentsBS EN 1708-1:2010National forewordThis British Standard is the UK implementation of EN 1708-1:2010. Itsupersedes BS EN 1708-1:1999 which is withdrawn.The UK participation in its preparation was entrusted to T
3、echnicalCommittee WEE/-/1, Briefing committee for welding.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Complia
4、nce with a British Standard cannot confer immunityfrom legal obligations.BS EN 1708-1:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1708-1 January 2010 ICS 25.160.40 Supersedes EN 1708-1:1999English Version Welding - Basic welded joint details in steel - Part 1: Pressurized components Sou
5、dage - Descriptif de base des assemblages souds en acier - Partie 1: Composants soumis la pression Schweien - Verbindungselemente beim Schweien von Stahl - Teil 1: Druckbeanspruchte Bauteile This European Standard was approved by CEN on 28 November 2009. CEN members are bound to comply with the CEN/
6、CENELEC Internal Regulations 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 Management Centre or to
7、 any CEN member. This 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 Management Centre has the same status as the official versio
8、ns. CEN members 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, Slov
9、enia, Spain, 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 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN n
10、ational Members. Ref. No. EN 1708-1:2010: EBS EN 1708-1:2010EN 1708-1:2010 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Requirements .43.1 Selection of detail 43.2 Joint preparation (geometry and size).53.2.1 General 53.2.2 Joint preparation geometry 53.2.3 Weld sizes .53.3 Prese
11、ntation .53.4 Removal of internal sharp edges in branch bores .53.5 Preparation of holes in shell for set-through branches.63.6 Welds for smooth transition .63.7 Oblique and tangential branches .6Tables Table 1 Butt joints of different thickness . 7Table 2 Branches without compensation rings . 11Tab
12、le 3 Branches with compensation rings . 23Table 4 Sockets and couplings 25Table 5 Flanges . 27Table 6 Jacketed vessels . 31Table 7 Tube to tube plate connection 42Table 8 Flate end or tube plate to shell connections 46Table 9 Internal diaphragms and separators . 53Table 10 Supports and non-pressure
13、parts 54Table 11 Special shell to head end connections . 61Table 12 Weld ring seal 62Table 13 Pipe details . 64Table 14 Block flanges . 70BS EN 1708-1:2010EN 1708-1:2010 (E) 3 Foreword This document (EN 1708-1:2010) has been prepared by Technical Committee CEN/TC 121 “Welding”, the secretariat of wh
14、ich 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 July 2010, and conflicting national standards shall be withdrawn at the latest by July 2010. Attention is drawn to the possibili
15、ty 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 1708-1:1999. EN 1708, Welding Basic weld joint details in steel, consists of the following pa
16、rts: Part 1: Pressurized components Part 2: Non internal pressurized components According 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 Republi
17、c, 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 the United Kingdom. BS EN 1708-1:2010EN 1708-1:2010 (E) 4 1 Scope The purp
18、ose of this European Standard is to exemplify commonly accepted welded connections in pressure systems. It does not promote the standardization of connections that may be regarded as mandatory or restrict development in any way. Stress analysis rules should be considered if necessary. This standard
19、contains examples of connections welded by: Manual metal-arc welding with covered electrode (111); Submerged arc welding (12); Gas shielded metal arc welding (13); Tungsten inert gas arc welding; TIG-welding (14); Plasma arc welding (15) processes (process numbers according to EN ISO 4063) in steel
20、pressure systems. Other processes by agreement. This standard covers welded joint details in steel, but can be applied to other metallic materials. In such cases the shape and dimensions of the weld should be checked. The estimation of the suitability of welded connections for special service condit
21、ions, for example corrosion and fatigue are not specially considered. 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 d
22、ocument (including any amendments) applies. EN ISO 4063, Welding and allied processes Nomenclature of processes and reference numbers (ISO 4063:2009) EN ISO 5817, Welding Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) Quality levels for imperfections (ISO 58
23、17:2003, corrected version:2005, including Technical Corrigendum 1:2006) EN ISO 9692-1:2003, Welding and allied processes Recommendations for joint preparation Part 1: Manual metal-arc welding, gas-shielded metal-arc welding, gas welding, TIG welding and beam welding of steels (ISO 9692-1:2003) EN I
24、SO 9692-2:1998, Welding and allied processes Joint preparation Part 2: Submerged arc welding of steels (ISO 9692-2:1998) 3 Requirements 3.1 Selection of detail Connections are not considered to be equally suitable for all service conditions, nor is the order in which they are shown indicative of the
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