【正文】 EUROPEAN COMMITTEE FOR STANDARDIZATION C O M I T 201。t verbindungen (enth228。rungsfreie Pr252。s par brasage fort (inclut l’amendement A1:2020) Hartl246。les non destructifs des assemblages r233。ENNE + A1 December 2020 EUROP196。 — monitor related international and European developments and promulgate them in the UK. A list of anizations represented on this mittee can be obtained on request to its secretary. Crossreferences The British Standards which implement 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 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. This British Standard, having been prepared under the direction of the Enginee rin g Sector Committe e, was publish ed under the authority of the Stand ards Committee and es ionto effect on 15 September 2020 169。 Amd. No. Date Comments 14933 2 February 2020 Modifications made to EN foreword and deletion of Annex ZA (informative) Licensed Copy: opujwb94 opujwb94, Open University The JISC, 01 November 2004, Uncontrolled Copy, (c) BSI BS EN 12799:2020 National foreword This British Standard is the official English language version of EN 12799:2020, including amendment December 2020. Together with BS EN 12797:2020 it supersedes BS 17233:1998 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee WEE/19, Brazing and bronze welding, which has the responsibility to: — aid enquirers to understand the text。 Licensed Copy: opujwb94 opujwb94, Open University The JISC, 01 November 2020, Uncontrolled Copy, (c) BSI Licensed Copy: opujwb94 opujwb94, Open University The JISC, 01 November 2004, Uncontrolled Copy, (c) BSI BRITISH STANDARD BS EN 12799:2020 Incorporating Amendment No. 1 Brazing — Nondestructive examination of brazed joints The European Standard EN 12799:2020, with the incorporation of amendment A1:2020, has the status of a British Standard ICS ，如果你需要更多標(biāo)準(zhǔn)可以到 。 ，如果你需要更多標(biāo)準(zhǔn)可以到 。 如果你購(gòu)買的文檔存在缺頁(yè)、字跡模糊、亂碼等情況，請(qǐng)大家通過(guò)論壇消息與我聯(lián)系。 如果你購(gòu)買的文檔存在缺頁(yè)、字跡模糊、亂碼等情況，請(qǐng)大家通過(guò)論壇消息與我聯(lián)系。 — present to the responsible international/European mittee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed。 BSI 2 February 2020 ISBN 0 580 36226 4 Summary of pages This docum ent prises a front cover, an inside front cover, the EN title page, pages 2 to 31 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Licensed Copy: opujwb94 opujwb94, Open University The JISC, 01 November 2004, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD EN 12799 July 2020 NORME EUROP201。ISCHE NORM ICS English version Brazing — Nondestructive examination of brazed joints (including amendment A1:2020) Brasage fort — Contr244。a lis233。ten — Zerst246。fung von Hartl246。lt 196。 EUR OP 201。 I S C HES KOM I TEE F 220。 2020 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national members. Ref. No. EN 12799:2020 +A1:2020 E Page 2 EN 12799:2020 Licensed Copy: opujwb94 opujwb94, Open University The JISC, 01 November 2004, Uncontrolled Copy, (c) BSI amp。 DQG JDPPD UD\V Page 6 EN 12799:2020 Licensed Copy: opujwb94 opujwb94, Open University The JISC, 01 November 2004, Uncontrolled Copy, (c) BSI (1 1RQ GHVWUXFWLYH WHVWLQJ 4XDOLILFDWLRQ DQG FHUWLILFDWLRQ RI 139。ULWHULD IRU PHWKRG DQG WHFKQLTXH VHOHFWLRQ (1 1RQ GHVWUXFWLYH WHVWLQJ amp。KDUDFWHUL]DWLRQ DQG YHULILFDWLRQ RI XOWUDVRQLF H[DPLQDWLRQ HTXLSPHQW 3DUW 3UREHV (1 1RQ GHVWUXFWLYH WHVWLQJ amp。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age 7 EN 12799:2020 7KH PDMRULW\ RI EUD]HG MRLQWV DUH GHVLJQHG ZLWK WKH FRPSRQHQW SDUWV LQ D ODS FRQILJXUDWLRQ %HFDXVH RI WKH FDSLOODU\ QDWXUH RI D EUD]HG MRLQW PRVW LPSHUIHFWLRQV ZLOO EH FRQWDLQHG ZLWKLQ WKH MRLQW UHJLRQ ZLW