EN 1713 焊缝的无损检验 超声检验 焊缝的表征.pdf

ICS 25.160.40 Descriptors: Welded joints, ultrasonic examination, testing. Zerstrungsfreie Prfung von Schweiverbindungen Ultraschallprfung Charakterisierung von Anzeigen in Schweinhten European Standard EN 1713 : 1998 has the status of a DIN Standard. National foreword This standard has been prepared by CEN/TC 121. The responsible German body involved in its preparation was the Normenausschu Materialprfung (Mate- rials Testing Standards Committee), Technical Committee Ultraschallprfung. Ref. No. DIN EN 1713 : 1998-08 English price group 08Sales No. 1108 01.99 DEUTSCHE NORMAugust 1998 EN 1713 EN comprises 13 pages. No part of this standard may be reproduced without the prior permission of DIN Deutsches Institut fr Normung e.V., Berlin. Beuth Verlag GmbH, D-10772 Berlin, has the exclusive right of sale for German Standards (DIN-Normen). Non-destructive examination of welds Ultrasonic examination Characterization of indications in welds English version of DIN EN 1713 English version ICS 25.160.40 Descriptors: Welded joints, ultrasonic examination, testing. Central Secretariat: rue de Stassart 36, B-1050 Brussels European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Non-destructive examination of welds Ultrasonic examination Characterization of indications in welds 1998.CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national members. Ref. No. EN 1713 : 1998 E Contrle non destructif des assem- blages souds Contrle par ultra- sons Caractrisation des indica- tions dans les assemblages souds Zerstrungsfreie Prfung von Schweiverbindungen Ultraschall- prfung Charakterisierung von Anzeigen in Schweinhten This European Standard was approved by CEN on 1998-05-01. 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 national standard without any alteration. Up-to-date lists and bibliographical references concerning such national stand- ards may be obtained on application to the Central Secretariat or to any CEN member. The European Standards exist 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 are the national standards bodies of Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom. EN 1713 May 1998 Page 2 EN 1713 : 1998 2 3 3 4 4 4 5 5 5 5 5 6 7 7 8 10 11 Page 3 EN 1713 : 1998 Dimensions in millimetre 1Ground weld Figure 1: Location of indications Page 4 EN 1713 : 1998 Page 5 EN 1713 : 1998 Page 6 EN 1713 : 1998 Page 7 EN 1713 : 1998 Page 8 EN 1713 : 1998 Yes Yes Yes Yes Yes Yes Yes No No No No No No No classification needed Stage 1 Hd S2 Applicable to all discontinuities irrespective of lengths Stage 3 Hd S3 and Hdmax Hdmin S4 Stage 4 A-Scan shows a single smooth echo Stage 5 A-Scan shows a single jagged echo or multiple echos and transverse echodynamic exhibits pattern 3 (VARIAL CLASS) NON-PLANAR INDICATIONSPLANAR INDICATIONS L L specified Page 9 EN 1713 : 1998 Page 10 EN 1713 : 1998 Figure A.2: Example of application of directional reflectivity criteria Position 1Position 2 Position 1Position 2 Annex B(informative) Examination incidence Figure B.1.a: Transverse wave, TFigure B.1.b: Longitudinal wave, L 1Local grinding Figure A.3: Example of hybrid Inclusion and lack of fusion Page 11 EN 1713 : 1998 Variation in peak signal amplitude Page 12 EN 1713 : 1998 Figure C.1: Pattern 1 ultrasonic response Reflector Reflector Reflector Reflector Weld Probe position Amplitude A-scan Range Variation in peak signal amplitude Probe position Amplitude A-scan Range Variation in peak signal amplitude Typical occurrence in through-thickness direction Typical occurrence in lateral (length) direction Figure C.2: Pattern 2 ultrasonic response Typical occurrence in through-thickness direction Typical occurrence in lateral (length) direction Reflector Reflector Reflector Reflector with through- thickness extent Probe position Variation in peak signal amplitude Probe position Amplitude A-scan Range Amplitude A-scan Range Typical occurrence in through-thickness direction Typical occurrence in lateral (length) direction Typical occurrence in through-thickness direction Typical occurrence in lateral (length) direction Figure C.3.a: Pattern 3a ultrasonic responseFigure C