SIST EN 1780-2:2004

Aluminium and aluminium alloys - Designation of alloyed aluminium ingots for remelting, master alloys and castings - Part 2: Chemical symbol based designation system

This European Standard specifies a chemical symbol based designation system for aluminium alloys and master alloys as specified in the relevant European Standards. It applies to ingots for remelting and to castings.
A designation system for unalloyed aluminium is specified in EN 576. An alternative numerical designation system is specified in prEN 1780-1. Writing rules for chemical composition are specified in prEN 1780-3.

Aluminium und Aluminiumlegierungen - Bezeichnung von legiertem Aluminium in Masseln, Vorlegierungen und Gussstücken - Teil 2: Bezeichnungssystem mit chemischen Symbolen

Dieser Teil von prEN 1780 legt ein Bezeichnungssystem fest, welches Anwendung auf Aluminiumlegierungen und Vorlegierungen findet, die in den entsprechenden Europäischen Normen festgelegt sind. Es handelt sich um einen Beschreibungs- code, der hauptsächlich auf den chemischen Symbolen beruht. Ein Bezeichnungs- system für unlegiertes Aluminium ist in prEN 576 festgelegt. Er gilt für Masseln und Gußstücke. Eine alternatives numerisches Bezeichnungssystem ist in prEN 1780-1 festgelegt. Die Schreibregeln für die chemische Zusammensetzung sind in prEN 1780-3 festgelegt.

Aluminium et alliages d'aluminium - Systeme de désignation applicable aux lingots pour refusion en aluminium allié, aux alliages-meres et aux produits moulés - Partie 2: Systeme de désignation basé sur les symboles chimiques

Aluminij in aluminijeve zlitine – Označevanje legiranih ingotov za pretaljevanje, za predzlitine in ulitke – 2. del: Sistem označevanje s kemijskimi simboli

General Information

• Status: Published
• Publication Date: 31-Dec-2003
• ICS: 77.150.10 - Aluminium products
• Technical Committee: INEK - Nonferrous metals
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Jan-2004
• Due Date: 01-Jan-2004
• Completion Date: 01-Jan-2004
• Directive: 97/23/EC - Directive 97/23/EC of the European Parliament and of the Council of 29 May 1997 on the approximation of the laws of the Member States concerning pressure equipment
• Mandate: M/071 - Mandate to CEN for standardization in the field of Pressure equipment
• Ref Project: EN 1780-2:2002 - Aluminium and aluminium alloys - Designation of alloyed aluminium ingots for remelting, master alloys and castings - Part 2: Chemical symbol based designation system

Relations

• Replaces: SIST EN 1780-2:1998 - Aluminium and aluminium alloys - Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings - Part 2: Chemical symbol based designation system
• Effective Date: 01-Dec-2004

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.LPEROLAluminium und Aluminiumlegierungen - Bezeichnung von legiertem Aluminium in Masseln, Vorlegierungen und Gussstücken - Teil 2: Bezeichnungssystem mit chemischen SymbolenAluminium et alliages d'aluminium - Systeme de désignation applicable aux lingots pour refusion en aluminium allié, aux alliages-meres et aux produits moulés - Partie 2: Systeme de désignation basé sur les symboles chimiquesAluminium and aluminium alloys - Designation of alloyed aluminium ingots for remelting, master alloys and castings - Part 2: Chemical symbol based designation system77.150.10Aluminijski izdelkiAluminium productsICS:Ta slovenski standard je istoveten z:EN 1780-2:2002SIST EN 1780-2:2004en01-januar-2004SIST EN 1780-2:2004SLOVENSKI
STANDARDSIST EN 1780-2:19981DGRPHãþD



SIST EN 1780-2:2004



EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1780-2October 2002ICS 77.150.10Supersedes EN 1780-2:2002English versionAluminium and aluminium alloys - Designation of alloyedaluminium ingots for remelting, master alloys and castings - Part2: Chemical symbol based designation systemAluminium et alliages d'aluminium - Système dedésignation applicable aux lingots pour refusion enaluminium allié, aux alliages-mères et aux produits moulés- Partie 2: Système de désignation basé sur les symboleschimiquesAluminium und Aluminiumlegierungen - Bezeichnung vonlegiertem Aluminium in Masseln, Vorlegierungen undGussstücken - Teil 2: Bezeichnungssystem mitchemischen SymbolenThis European Standard was approved by CEN on 2 September 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2002 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1780-2:2002 ESIST EN 1780-2:2004



EN 1780-2:2002 (E)2Contentspage1Scope.42Normative references.43Basis of codification.44Rules for the coded designation of aluminium alloys and master alloys.54.1General.54.2Rules for distinguishing between two alloys of similar composition.54.3Special application for master alloys.6Annex A (normative)
International chemical symbols.7Bibliography.8SIST EN 1780-2:2004



EN 1780-2:2002 (E)3ForewordThis document (EN 1780-2:2002) has been prepared by Technical Committee CEN /TC 132, "Aluminium andaluminium alloys", the secretariat of which is held by AFNOR.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement, at the latest by April 2003, and conflicting national standards shall be withdrawn at the latest byApril 2003.Within its programme of work, Technical Committee CEN/TC 132 entrusted CEN/TC 132/WG 1 "Liquid metal,unalloyed and alloyed ingots" to prepare the following standard :EN 1780-2, Aluminium and aluminium alloys – Designation of alloyed aluminium ingots for remelting, master alloysand castings – Part 2 : Chemical symbol based designation system.This document supersedes EN 1780-2:1996 "Aluminium and aluminium alloys – Designation of unalloyed andalloyed aluminium ingots for remelting, master alloys and castings – Part 2 : Chemical symbol based designationsystem".In this revised edition, unalloyed aluminium ingots have been removed from the scope and provisions for unalloyedaluminium ingots have been deleted.The provisions about the writing rules of unalloyed aluminium has been transferred into the revised version ofEN 576.This European Standard EN 1780, “Aluminium and aluminium alloys – Designation of alloyed aluminium ingots forremelting, master alloys and castings”, comprises of the following parts:¾ Part 1 : Numerical designation system¾ Part 2 : Chemical symbol based designation system¾ Part 3 : Writing rules for chemical compositionAnnex A is normative.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Re
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