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    BS EN 1706-2010 Aluminium and aluminium alloys - Castings - Chemical composition and mechanical properties《铝和铝合金 铸件 化学成分和机械特性》.pdf

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    BS EN 1706-2010 Aluminium and aluminium alloys - Castings - Chemical composition and mechanical properties《铝和铝合金 铸件 化学成分和机械特性》.pdf

    1、BS EN 1706:2010ICS 77.150.10NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAluminium andaluminium alloys Castings Chemicalcomposition andmechanical propertiesThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 3

    2、1 March2010 BSI 2010ISBN 978 0 580 63427 7Amendments/corrigenda issued since publicationDate CommentsBS EN 1706:2010National forewordThis British Standard is the UK implementation of EN 1706:2010. Itsupersedes BS EN 1706:1998 which is withdrawn.The UK participation in its preparation was entrusted t

    3、o TechnicalCommittee NFE/35, Light metals and their alloys.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compli

    4、ance with a British Standard cannot confer immunityfrom legal obligations.BS EN 1706:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1706 March 2010 ICS 77.150.10 Supersedes EN 1706:1998English Version Aluminium and aluminium alloys - Castings - Chemical composition and mechanical propertie

    5、s Aluminium et alliages daluminium - Pices moules - Composition chimique et caractristiques mcaniques Aluminium und Aluminiumlegierungen - Gustcke - Chemische Zusammensetzung und mechanische Eigenschaften This European Standard was approved by CEN on 6 February 2010. CEN members are bound to comply

    6、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 national standards may be obtained on application to the CEN Management

    7、 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 translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the of

    8、ficial versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, S

    9、lovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldw

    10、ide for CEN national Members. Ref. No. EN 1706:2010: EBS EN 1706:2010EN 1706:2010 (E) 2 Contents Page Foreword 31 Scope 62 Normative references 63 Terms and definitions .64 Ordering information .75 Designation systems .85.1 Numerical designation system .85.2 Chemical symbol based designation system

    11、.85.3 Temper designations .85.4 Casting process designations 85.5 Designations to appear on drawings .86 Chemical composition 96.1 General 96.2 Samples for analysis .97 Mechanical properties 137.1 General . 137.2 Tensile tests 167.3 Test pieces 167.3.1 General . 167.3.2 Separately cast test samples

    12、. 167.3.3 Test pieces taken from castings . 177.4 Hardness tests 188 Rounding rules for determination of compliance . 18Annex A (informative) Mechanical properties of pressure die cast alloys . 19Annex B (informative) Comparison of casting characteristics, mechanical and other properties . 20Annex C

    13、 (informative) Comparison between cast aluminium alloy designations . 24Bibliography . 26BS EN 1706:2010EN 1706:2010 (E) 3 Foreword This document (EN 1706:2010) has been prepared by Technical Committee CEN/TC 132 “Aluminium and aluminium alloys”, the secretariat of which is held by AFNOR. This Europ

    14、ean Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2010, and conflicting national standards shall be withdrawn at the latest by September 2010. Attention is drawn to the possibility that some of the

    15、elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. CEN/TC 132 affirms it is its policy that in the case when a patentee refuses to grant licences on standardised standard products under reason

    16、able and not discriminatory conditions, then this product shall be removed from the corresponding standard. This document supersedes EN 1706:1998. Within its programme of work, Technical Committee CEN/TC 132 entrusted CEN/TC 132/WG 10 “Castings“ to revise EN 1706:1998. In addition to some additional

    17、 minor and editorial changes, the following technical modifications were introduced during the revision: a) In the Scope, new reference to EN 576 was added and reference to EN ISO 8062-3 was updated. b) New normative references were added (EN 576, EN 1559-1, EN 1559-4 and EN ISO 6506-1). Normative r

    18、eference to EN 10003-1 was deleted. c) Term and definition 3.10, order document, was added. d) Clause 4, Ordering information, was added and subsequent numbering increased by one. e) Second paragraph (reference to EN 576) in Clause 5.2 was added. f) Clause 5.5, Designation to appear on drawings, was

    19、 modified. g) Clause 7.3.2.5, Pressure die cast test pieces, was modified. h) In Clause 7.4, reference to EN ISO 6506-1 was updated from EN 10003-1. i) In Table 1, new Alloy Group “Al” was added, including Al 99,6E and Al 99,7E grades. j) In Table 1, the following alloys were deleted: 1) EN AC-45200

    20、 EN AC-Al Si5Cu3Mn; 2) EN AC-51000 EN AC-Al Mg3(b); 3) EN AC-71000 EN AC-Al Zn5Mg. k) In Table 1, the following new alloys were added: 1) EN AC-21200 EN AC-Al Cu4MnMg; BS EN 1706:2010EN 1706:2010 (E) 4 2) EN AC-43500 EN AC-Al Si10MnMg; 3) EN AC-44500 EN AC-Al Si12(Fe)(b); 4) EN AC-45500 EN AC-Al Si7

    21、Cu0,5Mg; 5) EN AC-48100 EN AC-Al Si17Cu4Mg; 6) EN AC-51500 EN AC-Al Mg5Si2Mn; 7) EN AC-71100 EN AC-Al Zn10Si8Mg. l) In Table 1, footnotes “b” to “j” were added. m) In Table 2, the following alloys were deleted: 1) EN AC-45200 EN AC-Al Si5Cu3Mn; 2) EN AC-51000 EN AC-Al Mg3(b); 3) EN AC-71000 EN AC-Al

    22、 Zn5Mg. n) In Table 2, “Al” Alloy Group and the following alloys were added: 1) EN AC-21200 EN AC-Al Cu4MnMg; 2) EN AC-44400 EN AC-Al Si9; 3) EN AC-45500 EN AC-Al Si7Cu0,5Mg; 4) EN AC-71100 EN AC-Al Zn10Si8Mg. o) In Table 3, the following alloys were deleted: 1) EN AC-45200 EN AC-Al Si5Cu3Mn; 2) EN

    23、AC-51000 EN AC-Al Mg3(b); 3) EN AC-71000 EN AC-Al Zn5Mg. p) In Table 3, “Al” Alloy Group and the following alloys were added: 1) EN AC-21200 EN AC-Al Cu4MnMg; 2) EN AC-44400 EN AC-Al Si9; 3) EN AC-45500 EN AC-Al Si7Cu0,5Mg; 4) EN AC-71100 EN AC-Al Zn10Si8Mg. q) In Table 4, EN AC-45200 EN AC-Al Si5Cu

    24、3Mn alloy was deleted. r) In Table 4, “Al” Alloy Group and EN AC-48100 EN AC-Al Si17Cu4Mg alloy were added. s) Former Annex A (informative) was split in Annex A (informative) and Annex B (informative). t) In Table A.1, “Al” Alloy Group and the following alloys were added: BS EN 1706:2010EN 1706:2010

    25、 (E) 5 1) EN AC-43500 EN AC-Al Si10MnMg; 2) EN AC-44500 EN AC-Al Si12(Fe)(b); 3) EN AC-48100 EN AC-Al Si17Cu4Mg; 4) EN AC-51500 EN AC-Al Mg5Si2Mn. u) In Table B.1, the same alloys than in Table 1 were added and deleted. New footnote “k” was also added. The suitability for some casting methods was re

    26、vised for some of the alloys. v) New Annex C, Comparison between cast aluminium alloy designations, was added. w) A Bibliography was also added. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Sta

    27、ndard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the Unite

    28、d Kingdom. BS EN 1706:2010EN 1706:2010 (E) 6 1 Scope This European Standard specifies the chemical composition limits for aluminium casting alloys and mechanical properties of separately cast test pieces for these alloys. Annex B is included as a guide to the selection of alloys for a specific use o

    29、r process. This European Standard is intended to be used in conjunction with EN 576, EN 1559-1, EN 1559-4, EN 1676 and EN ISO 8062-3. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies

    30、. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 576, Aluminium and aluminium alloys Unalloyed aluminium ingots for remelting Specifications EN 1559-1, Founding Technical conditions of delivery Part 1: General EN 1559-4, Founding Technica

    31、l conditions of delivery Part 4: Additional requirements for aluminium alloy castings EN 1780-1, Aluminium and aluminium alloys Designation of alloyed aluminium ingots for remelting, master alloys and castings Part 1: Numerical designation system EN 1780-2, Aluminium and aluminium alloys Designation

    32、 of alloyed aluminium ingots for remelting, master alloys and castings Part 2: Chemical symbol based designation system EN 1780-3, Aluminium and aluminium alloys Designation of alloyed aluminium ingots for remelting, master alloys and castings Part 3: Writing rules for chemical composition EN 10002-

    33、1, Metallic materials Tensile testing Part 1: Method of test at ambient temperature EN 12258-1:1998, Aluminium and aluminium alloys Terms and definitions Part 1: General terms EN ISO 6506-1, Metallic materials Brinell hardness test Part 1: Test method (ISO 6506-1:2005) 3 Terms and definitions For th

    34、e purposes of this document, the terms and definitions given in EN 12258-1:1998 and the following apply. 3.1 casting process in which molten metal is poured into a mould and solidified EN 12258-1:1998, 4.1.1 3.2 sand casting process in which molten metal is poured into a sand mould and solidified (a

    35、t atmospheric pressure) EN 12258-1:1998, 4.1.8 BS EN 1706:2010EN 1706:2010 (E) 7 3.3 permanent mould casting chill casting process in which molten metal is poured into a permanent metal mould and solidified (at atmospheric pressure) EN 12258-1:1998, 4.1.9 3.4 low pressure die casting process in whic

    36、h molten metal is poured into a metal mould and solidified under low pressure (typically 7 kPa above atmospheric pressure) EN 12258-1:1998, 4.1.11 NOTE This process can also be used with a sand mould, being called “low pressure sand casting”. 3.5 pressure die casting high pressure die casting proces

    37、s in which molten metal is poured into a permanent metal mould and solidified under high pressure (typically 7 MPa) EN 12258-1:1998, 4.1.10 3.6 investment casting two step process comprising: a) fabrication of a ceramic mould around a wax or thermoplastic pattern which is lost during this process; a

    38、nd b) pouring of metal into this mould EN 12258-1:1998, 4.1.12 3.7 fluidity ability of an alloy to make thin wall castings and reproduce fine details 3.8 hot tearing tendency for a crack to form in a casting due to the development of internal stress during solidification 3.9 pressure tightness tende

    39、ncy not to leak on pressure testing 3.10 order document document or set of documents to which supplier and purchaser agreed at the time of ordering NOTE An order document may be an order of the purchaser confirmed by the supplier or a quotation of the supplier confirmed by the purchaser. 4 Ordering

    40、information The order document shall include a reference to this European Standard. It shall include all the ordering information as required in EN 1559-1 and EN 1559-4. BS EN 1706:2010EN 1706:2010 (E) 8 5 Designation systems 5.1 Numerical designation system The numerical designation system shall be

    41、 in accordance with EN 1780-1. 5.2 Chemical symbol based designation system The chemical symbol based designation system shall be in accordance with EN 1780-2. For unalloyed grades, the designation shall be in accordance with EN 576. 5.3 Temper designations The following abbreviations shall be used

    42、as temper designations for the conditions of heat treatment, referred in Tables 2, 3 and 4 and Table A.1: F as cast; O annealed; T1 controlled cooling from casting and naturally aged; T4 solution heat treated and naturally aged where applicable; T5 controlled cooling from casting and artificially ag

    43、ed or over-aged; T6 solution heat treated and fully artificially aged; T64 solution heat treated and artificially under-aged; T7 solution heat treated and artificially over-aged (stabilised). NOTE For aluminium casting alloys, solution heat treatment involves quenching from elevated temperatures and

    44、 distortion may occur. 5.4 Casting process designations The following abbreviations shall be used as designations for the different casting processes: S sand casting; K chill or permanent mould casting; D pressure die casting; L investment casting. 5.5 Designations to appear on drawings The complete

    45、 designation of the casting shall appear on the drawings being part of the order information. This designation includes: the number of this European Standard; the alloy designation; BS EN 1706:2010EN 1706:2010 (E) 9 the casting process designation; the temper designation. EXAMPLE EN 1706 AC-42000-K-

    46、T6 is the complete designation of the alloy EN AC-42000, chill cast solution heat treated and fully artificially aged. 6 Chemical composition 6.1 General Chemical composition shall be expressed in accordance with the writing rules given in EN 1780-3. The chemical composition of aluminium casting all

    47、oys shall be in conformity with the limits specified in Table 1. NOTE Table 1 also includes the chemical compositions of ingots used to produce castings. These are shown in brackets where they differ from the casting limits and are taken from EN 1676. When specified, analysis of elements for which s

    48、pecific limits are given in Table 1 shall be carried out. Analysis for other elements shall be carried out only when agreed between supplier and purchaser. This particularly applies to modifying or refining elements such as sodium, strontium, antimony and phosphorus. Alloying elements and impurities

    49、 shall be expressed in the following sequence: silicon, iron, copper, manganese, magnesium, chromium, nickel, zinc, lead, tin, titanium, other elements each/total, aluminium. Additional specified elements with specific limit shall be inserted, in alphabetical order with respect to their chemical symbols after titanium, or be specified in f


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