BS-EN-12517-1-2006.pdf
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1、BRITISH STANDARD BS EN 12517-1:2006 Non-destructive testing of welds Part 1: Evaluation of welded joints in steel, nickel, titanium and their alloys by radiography Acceptance levels The European Standard EN 12517-1:2006 has the status of a British Standard ICS 25.160.40 ? BS EN 12517-1:2006 This Bri
2、tish Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2006 BSI ISBN 0 580 48044 5 National foreword This British Standard is the official English language version of EN 12517-1:2006. It supersedes BS EN 12517:1998 which is withdrawn. The UK partic
3、ipation in its preparation was entrusted to Technical Committee WEE/46, Non-destructive testing, 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 international or
4、 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 purport to incl
5、ude 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 committee any enqui
6、ries on the interpretation, or proposals for change, and keep 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 15 and a back cover
7、. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12517-1 March 2006 ICS 25.160.40Supersedes EN 12517:1998 English Version Non-destructive t
8、esting of welds - Part 1: Evaluation of welded joints in steel, nickel, titanium and their alloys by radiography - Acceptance levels Essais non destructifs des assemblages souds - Partie 1: valuation par radiographie des assemblage souds en acier, nickel, titane et leurs alliages - Niveaux dacceptat
9、ion Zerstrungsfreie Prfung von Schweiverbindungen - Teil 1: Bewertung von Schweiverbindungen in Stahl, Nickel, Titan und ihren Legierungen mit Durchstrahlung - Zulssigkeitsgrenzen This European Standard was approved by CEN on 6 February 2006. CEN members are bound to comply with the CEN/CENELEC Inte
10、rnal 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 Central Secretariat or to any CEN membe
11、r. 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 Central Secretariat has the same status as the official versions. CEN members
12、are the national standards bodies of Austria, Belgium, 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 an
13、d United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2006 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12517
14、-1:2006: E EN 12517-1:2006 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references4 3 Radiographic technique4 4 General5 5 Acceptance levels5 Annex A (informative) Guide to the limitations of radiographic testing10 A.1 Volumetric imperfections in butt welds.10 A.2 Cracks in butt welds10 A.3 P
15、lanar imperfections in butt welds10 Annex B (informative) Examples for determination of area percentage (%) of imperfections11 Annex C (normative) Sum of acceptable areas 13 Bibliography15 EN 12517-1:2006 (E) 3 Foreword This document (EN 12517-1:2006) has been prepared by Technical Committee CEN/TC
16、121 “Welding”, the secretariat of which 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 September 2006, and conflicting national standards shall be withdrawn at the latest by Septe
17、mber 2006. This document supersedes EN 12517:1998. This document 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). EN 12517 comprises a series of European Standards for industrial
18、 radiographic films which is made up of the following: EN 12517-1 Non-destructive testing of welds Part 1: Evaluation of welded joints in steel, nickel, titanium and their alloys by radiography Acceptance levels EN 12517-2 Non-destructive testing of welds Part 2: Evaluation of welded joints in alumi
19、nium and its alloys by radiography Acceptance levels According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany,
20、 Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 12517-1:2006 (E) 4 1 Scope This document specifies acceptance levels for indications from imperfectio
21、ns in butt welds of steel, nickel, titanium and their alloys detected by radiographic testing. If agreed, the acceptance levels may be applied to other types of welds or materials. The acceptance levels may be related to welding standards, application standards, specifications or codes. This Europea
22、n Standard assumes that the radiographic testing has been carried out in accordance with EN 1435. When assessing whether a weld meets the requirements specified for a weld quality level, the sizes of imperfections permitted by standards are compared with the dimensions of indications revealed by a r
23、adiograph made of the weld. 2 Normative references The following referenced documents are indispensable for the application of this European Standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments
24、) applies. EN 1435, Non-destructive examination of welds Radiographic examination of welded joints EN ISO 5817, Welding Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) Quality levels for imperfections (ISO 5817:2003) EN ISO 6520-1, Welding and allied processe
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