SANS 51780-3-2008 Aluminium and aluminium alloys - Designation of alloyed aluminium ingots for remelting master alloys and castings Part 3 Writing rules for chemical composition《铝及.pdf
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1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-21500-2 SANS 51780-3:2008Edition 2EN 1780-3:2002Edition 2SOUTH AFRICAN NATIONAL STANDARD Aluminium and aluminium alloys Designation of all
4、oyed aluminium ingots for remelting, master alloys and castings Part 3: Writing rules for chemical composition This national standard is the identical implementation of EN 1780-3:2002 and is adopted with the permission of CEN, rue de Stassart 36, B-1050 Brussels. Published by Standards South Africa
5、1 dr lategan road groenkloof private bag x191 pretoria 0001 tel: 012 428 7911 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa SANS 51780-3:2008 Edition 2 EN 1780-3:2002 Edition 2 Table of changes Change No. Date Scope National foreword This South African standard
6、 was approved by National Committee SABS TC 1078, Engineering materials Non-ferrous metals, in accordance with procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This SANS document was published in September 2008. This SANS document supersedes SABS EN 178
7、0-3:1996 (edition 1). EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 1780-3October 2002ICS 77.150.10 Supersedes EN 1780-3:1996English versionAluminium and aluminium alloys - Designation of alloyedaluminium ingots for remelting, master alloys and castings - Part3: Writing rules for chemical compos
8、itionAluminium et alliages daluminium - Systme dedsignation applicable aux lingots pour refusion enaluminium alli, aux alliages-mres et aux produits mouls- Partie 3: Rgles dcriture pour la composition chimiqueAluminium und Aluminiumlegierungen - Bezeichnung vonlegiertem Aluminium in Masseln, Vorlegi
9、erungen undGussstcken - Teil 3: Schreibregeln fr die chemischeZusammensetzungThis 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 nation
10、al 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 othe
11、r 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,
12、Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2002 CEN All rights of exp
13、loitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1780-3:2002 EEN 1780-3:2002 (E)2Contentspage1 Scope 42 Normative references 43 Chemical composition limits 44 Writing rules .45 Alloy designations .46 Sequence of elements for the indication of the chemical
14、 composition.56.1 Alloyed aluminium ingots for remelting and castings.56.2 Master alloys 57 Rounding rules for determination of compliance.5Bibliography 6EN 1780-3:2002 (E)3ForewordThis document (EN 1780-3:2002) has been prepared by Technical Committee CEN /TC 132, “Aluminium andaluminium alloys“, t
15、he 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 prog
16、ramme 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 1780-3, Aluminium and aluminium alloys Designation of alloyed aluminium ingots for remelting, master alloysand castings Part 3 : Writing rules for
17、 chemical compositionThis document supersedes EN 1780-3:1996 “Aluminium and aluminium alloys Designation of alloyed aluminiumingots for remelting, master alloys and castings Part 3 : Writing rules for chemical compositionThe difference to the former version is that unalloyed aluminium is removed fro
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