BS EN ISO 11666:2018 BSl StandardsPublication Non-destructive testing of welds- Ultrasonic testing-Acceptance levels bsi. BRITISH BS EN ISO 11666:2018 STANDARD National foreword This British Standard is the UK implementation of ENISO 11666:2018. Itisidentical toISO11666:2018.It supersedesBSENISO11666:2010, which is withdrawn. The UK participation in its preparation was entrusted to Technical CommitteeWEE/46,Non-destructivetesting. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution2018 Publishedby BSI Standards Limited 2018 ISBN9780580943935 ICS25.160.40 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards PolicyandStrategyCommitteeon31March2018. Amendments/corrigenda issued since publication Date Text affected EUROPEAN EN ISO 11666 STANDARD NORME EUROPEENNE EUROPAISCHE NORM February 2018 ICS 25.160.40 Supersedes ENISO 11666:2010 EnglishVersion Non-destructive testing of welds - Ultrasonic testing Acceptancelevels(ISO11666:2018) Essais non destructifs des assemblages Zerstorungsfreie Prifung von soudes - Controle par ultrasons - Niveaux SchweiBverbindungen - Ultraschallprifung - Zulissigkeitsgrenzen (ISO 11666:2018) 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 standards maybe obtained on application to the CEN-CENELEC Management Centre or to 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-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COM IT 6 EUROPSENDENORMALISATION EUROPAISCHES KOMITEEFUR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2018 All rights of exploitation in any form and by any means Ref. No. EN ISO CEN reserved worldwide for CEN national Members 11666:2018:E