BS EN 12420-1999 Copper and copper alloys - Forgings
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ID： |
011E0B63289B4D580035C529369DB769 |
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文件大小(MB)： |
1.91 |
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页数： |
40 |
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文件格式： |
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日期： |
2024-6-22 |
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STD.BSI BS EN 12M2D-EN6L lmT ■ IbaMbbl 07=13040 U8己丒,BRITISH STANDARD BS EN,12420:1999,Copper and copper,alloys — Forgings,The European Standard EN 12420:1999 has the status of a,British Standard,ICS 77.150.30,NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW,Copyright by the European Committee For Standardization,Wed Dec 31 09:24:10 2003,STD-BSI BS EN 1E4S0-ENGL mT ■ ItSMbbT 07*16041 311 .,BS EN 124201999,National foreword,This British Standard is the English language version of EN 12420:1999. It,supersedes BS 3885:1965 which is withdrawn, and together with BS EN 12165:1998,it supersedes BS 2872:1989 which is withdrawn.,The UK participation in its preparation was entrusted by Technical Committee,NFE/34, Copper and copper alloys, to Subcommittee NFFV3471, bought and,unwrought copper and copper alloys, which has the responsibility to:,一aid enquirers to understand the text;,—present to the responsible international/European committee any enquiries,on the interpretation, or proposals for change, and keep the UK interests,informed;,一monitor related international and European developments and promulgate,them in the UK.,A list of organizations represented on this subcommittee can be obtained on request,to its secretary,Cross-references,The British Standards which implement international or European publications,referred to in this document may be found in the BSI Standards Catalogue under the,section entitled ^International Standards Correspondence Index", or by using the,“Find" facility of the BSI Standards Electronic Catalogue.,A British Standard does not purport to include all the necessary provisions of a,contract Users of British Standards are responsible for their correct 聖plication,Compliance with a British Standard does not of itself confer immunity,ftom legal obligations.,Summary of p?^es,TOs document comprises a front cover, an inside front cover, the EN title page,pages 2 to 37, and a back cover.,This British Standard, having Amendments issued since publication,direction of the Engineering Amd No.,Sector Committee, was published,Date Comments,Standards Committee and comes,into effect on 15 July 1999,. BSI 07-1999,ISBN 0 5S0 32070 7 --------------------,Copyright by the European Committee For Standardization,Wed Dec 31 09;25;02 2003,STD-BSI BS EN 1EM30-ENGL 1555 ■ Lb己UbM ロ7ワ8Dリ己己55,EUROPEAN SIANDABD,NORME EUROPEENNE,EUROPAISCHE NORM,EN 12420,Januaiy 1999,ICS 77.150.30,Descriptors: copper copper alloys, forgings, die forgings, definitions, orders： sales documents, specifications, chemical composition,mechanical properties, tensile strength, electrical properties, dimensional tolerances, fonn tolerances, sampling, tests,conformity tests, marking,English version,Copper and copper alloys 一 Foigings,Cuivre et aDiages de cuivre - Pifeces forgoes Kiq)fer und Kupfeflegierungen - Schnuedestticke,This European Standard was 用proved by CEN on 13 December 1998.,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. Up4o-date lists and bibliographical,references concerning such national standards may be obtained on application to,the Central Secretariat or to any CEN member,This Eun乎ean Standard exists in three official versions (Eng!过!，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, Czech,Rq)ublic, Denmark, Finland, France, Germany Greece, Iceland, Ireland, Italy,Luxembourg, Netherlands^ Norway Portugal, Spain, Sweden, Switzerland and,United Kingdom.,CEN,European Committee for Standardization,Comite Europeen de Normalisation,Europaisches Komitee fiir Normung,Central Secretariat: rue de Stassart 36, B-1050 Brussels,. 1999 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national,Members.,Ref. No. EN 12420:1999 E,Copyright by the European Committee For Standardization,Wed Dec 31 09;25;02 2003,STD.BSI BS EN ユ己“己口-ENGL l=m ■ :LbmMbW ロ7ヲ8ロ4ヨ I11,Page 2,EN 12420:1999,Foreword,This European Standard has been prepared by,Technical Committee CEN7TC 133, Copper and copper,alloys, 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 July 1999, and,conflicting national standards shall be withdrawn at,the latest by July 1999.,Wh……
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