BS EN 1780-3-1997 Aluminium and aluminium alloys. designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 1780-3 : 1997 The E
2、uropean Standard EN 1780-3 : 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 3. Writing r
3、ules for chemical composition Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:11:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 1780-3 : 1997 This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Stand
4、ards Board 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 94/700786 DC ISBN 0 580 27149 8 Amendments issued since publication Amd. No.DateText affected Committees responsible for this Britis
5、h Standard 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 Cou
6、ncil Ministry 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 License
7、d Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:11:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 1780-3 : 1997 BSI 1997i Contents Page Committees responsibleInside front cover National forewordii Foreword2 Text of EN 1780-33 Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:11:08 GM
8、T+00:00 2006, Uncontrolled Copy, (c) BSI ii BSI 1997 BS EN 1780-3 : 1997 National foreword This British Standard has been prepared by Technical Committee NFE/35 and is the English language version of EN 1780-3 : 1996, published by the European Committee for Standardization (CEN). Cross-references Pu
9、blication referred toCorresponding British Standard EN 575BS EN 575 : 1996 Aluminium and aluminium alloys. Master alloys produced by melting. Specifications EN 576BS EN 576 : 1996 Aluminium and aluminium alloys. Unalloyed aluminium ingots for remelting. Specifications EN 1676BS EN 1676 : 1970 Specif
10、ication for heaters for tar and bitumen (mobile and transportable) EN 1706BS 1706 : 1990 Method for specifying electroplated coatings of zinc and cadmium on iron and steel BS EN 1780 Aluminium and aluminium alloys Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and
11、 castings EN 1780-1Part 1 : 1997 Numerical designation system EN 1780-2Part 2 : 1997 Chemical symbol based designation system 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, p
12、ages i and 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 05:11:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ? CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r
13、Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1996 Copyright reserved to CEN members Ref. No. EN 1780-3 : 1996 E EUROPEAN STANDARDEN 1780-3 NORME EUROPE ENNE EUROPA ISCHE NORM November 1996 ICS 77.150.10 Descriptors: Aluminium, aluminium alloys, ingots, castings, chemical composit
14、ion, writing rules English version Aluminium and aluminium alloys Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings Part 3: Writing rules for chemical composition Aluminium et alliages daluminium Syste me de de signation applicable aux lingots pour refus
15、ion en aluminium allie ou non allie, aux alliages-me res et aux produits moule s Partie 3: Re gles de criture pour la composition chimique Aluminium und Aluminiumlegierungen Bezeichnung von unlegiertem und legiertem Aluminium in Masseln, Vorlegierungen und Gustu cken Teil 3 : Schreibregeln fu r die
16、chemische Zusammensetzung This European Standard was 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 an
17、d bibliographical references concerning such national 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 responsibi
18、lity 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, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Por
19、tugal, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 05:11:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ? Page 2 EN 1780-3 : 1996 BSI 1997 Foreword This European Standard has been prepared by Technical Committee CEN/TC 132, Aluminium and alumi
20、nium 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 or by endorsement at the latest by May 1997, and conflicting national standards shall be withdrawn at the latest by May 1997. Wi
21、thin 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 1780-3Aluminium and aluminium alloys Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings
22、 Part 3 : Writing rules for chemical composition This standard is a Part of EN 1780 which is in three parts. The other parts are : EN 1780-1Aluminium and aluminium alloys Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings Part 1 : Numerical designation sy
23、stem 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 According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following coun
24、tries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Foreword2 1Scope3 2Normative references3 3Chemical composi
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