1、ICS 77.150.10Aluminium und Aluminiumlegierungen Bezeichnung vonlegiertem Aluminium in Masseln, Vorlegierungen und Gussstcken Teil 2: Bezeichnungssystem mit chemischen SymbolenEuropean Standard EN 1780-2 : 2002 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordTh
2、is standard has been prepared by CEN/TC 132 Aluminium and aluminium alloys (Secretariat: France).The responsible German body involved in its preparation was the Normenausschuss Nichteisenmetalle(Nonferrous Metals Standards Committee), Technical Committee Httenaluminium.AmendmentsThis standard differ
3、s from the February 1997 edition in that unalloyed aluminium ingots are no longercovered.Previous editionDIN EN 1780-2: 1997-02.Ref. No. DIN EN 1780-2 : 2003-01English price group 06 Sales No. 110604.03DEUTSCHE NORM January 2003EN 1780-2EN comprises 6 pages. No part of this standard may be reproduce
4、d without the prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Aluminium and aluminium alloysDesignation of alloyed aluminium ingots for remelting,master alloys and castingsP
5、art 2: Chemical symbol based designation systemEnglish version of DIN EN 1780-2Supersedes February 1997edition.English versionICS 77.150.10 Supersedes EN 1780-2 : 1996.Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropische
6、s Komitee fr NormungAluminium and aluminium alloysDesignation of alloyed aluminium ingots forremelting, master alloys and castingsPart 2: Chemical symbol based designation system 2002. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN
7、1780-2 : 2002 EAluminium et alliages daluminium Systme de dsignation applicableaux lingots pour refusion en alumi-nium alli, aux alliages-mres et auxproduits mouls Partie 2: Systmede dsignation bas sur les symboleschimiquesAluminium und Aluminiumlegie-rungen Bezeichnung von legiertemAluminium in Mas
8、seln, Vorlegierungenund Gussstcken Teil 2: Bezeich-nungssystem mit chemischenSymbolenThis European Standard was approved by CEN on 2002-09-02.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anatio
9、nal standard without any alteration.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Centre or to any CENmember.The European Standards exist in three official versions (English, French, German).A version in any other
10、 language made by translation under the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, Malta, the Netherlands, Norway, Portugal, Spain, Sweden, Switzer-land, and the United Kingdom. EN 1780-2October 2002Page 2EN 1780-2 : 2002333444566Page 3EN 1780-2 : 2002Page 4EN 1780-2 : 2002Page 5EN 1780-2 : 2002Page 6EN 1780-2 : 2002
