BS-EN-1780-1-19971.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 1780-1 : 1997 The E
2、uropean Standard EN 1780-1 : 1996 has the status of a British Standard ICS 77.150.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Aluminium and aluminium alloys Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings Part 1. Numerical
3、 designation system Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:10:57 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 1780-1 : 1997 This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board
4、 and comes into effect on 15 May 1997 BSI 1997 The following BSI references relate to the work on this standard: Committee reference NFE/35 Draft for comment 95/700784 DC ISBN 0 580 27150 1 Amendments issued since publication Amd. No.DateText affected Committees responsible for this British Standard
5、 The preparation of this British Standard was entrusted to Technical Committee NFE/35, Light metals and their alloys, upon which the following bodies were represented: Aluminium Federation Aluminium Stockholders Association Association of Light Alloy Refiners Limited Magnesium Industry Council Minis
6、try of Defence Society of Motor Manufacturers and Traders Limited The following bodies were also represented in the drafting of the standard, through sub-committees and panels: British Foundry Association British Investment Casting Trade Association Light Metal Founders Association Licensed Copy: sh
7、effieldun sheffieldun, na, Mon Oct 30 05:10:57 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 1780-1 : 1997 BSI 1997i Contents Page Committees responsibleInside front cover National forewordii Foreword2 Text of EN 1780-13 Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:10:57 GMT+00:00 20
8、06, Uncontrolled Copy, (c) BSI ii BSI 1997 BS EN 1780-1 : 1997 National foreword This British Standard has been prepared by Technical Committee NFE/35 and is the English language version of EN 1780-1 : 1996, published by the European Committee for Standardization (CEN). Cross-references Publication
9、referred toCorresponding British Standard EN 576BS EN 576 : 1996 Aluminium and aluminium alloys. Unalloyed aluminium ingots for remelting. Specifications BS EN 1780 Aluminium and aluminium alloys Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings EN 1780-
10、2Part 2 : 1997 Chemical symbol based designation system EN 1780-3Part 3 : 1997 Writing rules for chemical composition Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i a
11、nd ii, the EN title page, pages 2 to 4, an inside back cover and a back cover. Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:10:57 GMT+00:00 2006, Uncontrolled Copy, (c) BSI CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Ce
12、ntral Secretariat: rue de Stassart 36, B-1050 Brussels 1996 Copyright reserved to CEN members Ref. No. EN 1780-1 : 1996 E EUROPEAN STANDARDEN 1780-1 NORME EUROPE ENNE EUROPA ISCHE NORM November 1996 ICS 77.150.10 Descriptors: Aluminium, aluminium alloys, ingots, castings, designation, numerical desi
13、gnation English version Aluminium and aluminium alloys Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings Part1: Numerical designation system Aluminium et alliages daluminium Syste me de de signation applicable aux lingots pour refusion en aluminium allie
14、 , ou non allie aux alliages-me res et aux produits moule s Partie 1: Syste me de de signation nume rique Aluminium and Aluminiumlegierungen- Bezeichnung von unlegiertem und legiertem Aluminium in Masseln, Vorlegierungen und Gustu cken Teil 1: Numerisches Bezeichnungssystem This European Standard wa
15、s approved by CEN on 1996-10-26. 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. Up-to-date lists and bibliographical references concerning such nation
16、al standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and noti
17、fied to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdo
18、m. Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:10:57 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 2 EN 1780-1 : 1996 BSI 1997 Foreword This European Standard has been drawn up by Technical Committee CEN/TC 132, Aluminium and aluminium alloys, the secretariat of which is held by AFNO
19、R. 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 May 1997, and conflicting national standards shall be withdrawn at the latest by May 1997. Within its programme of work, Technical Committee CEN/
20、TC 132 entrusted CEN/TC 132/WG 1, Liquid metal, unalloyed and alloyed ingots, to prepare the following standard: EN 1780-1Aluminium and aluminium alloys Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings Part 1 : Numerical designation system This standard
21、 is a part of prEN 1780 which is in three parts.The other parts are : EN 1780-2Aluminium and aluminium alloys Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings Part 2 : Chemical symbol based designation system EN 1780-3Aluminium and aluminium alloys Desi
22、gnation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings Part 3 : Writing rules for chemical composition According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard
23、: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword2 1Scope3 2Normative references3 3Basis of codification3 4Five figure designation system3 4.1Una
24、lloyed aluminium3 4.2Aluminium alloys and ingots and castings4 4.3Master alloys4 Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:10:57 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 3 EN 1780-1 : 1996 BSI 1997 1 Scope This Part of EN 1780 specifies a five-figure numerical designation syst
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