1、BRITISH STANDARD AEROSPACE SERIES BS3L80:1985 (Superseding BS2L80) Specification for Sheet and strip of aluminium-2! % magnesium alloy (Temper designation0) UDC 629.7:669.715721 41BS3L80:1985 This BritishStandard, having been prepared under the directionof the Aerospace Standards Committee, was publ
2、ished under the authorityofthe Board of BSI andcomesintoeffect on 31December1985 BSI02-2000 The following BSI references relate to the work on this standard: Committee reference ACE/24 Draft for comment 81/77624 DC ISBN 0 580 14844 0 Committees responsible for this BritishStandard The preparation of
3、 this BritishStandard was entrusted by the Aerospace Standards Committee (ACE/-) to Technical Committee ACE/24 upon which the following bodies were represented: Aluminium Federation Aluminium Stockholders Association Association of Light Alloy Refiners Limited BNF Metals Technology Centre British Fo
4、rging Industry Association British Industrial Fasteners Federation British Investment Casting Trade Association Institute of British Foundrymen Light Metal Founders Association Magnesium Industry Council Ministry of Defence Society of British Aerospace Companies Limited Amendments issued since publi
5、cation Amd. No. Date of issue CommentsBS3L80:1985 BSI 02-2000 i Contents Page Committees responsible Inside front cover 1 Inspection and testing procedure 1 2 Quality of material 1 3 Chemical composition 1 4 Condition 1 5 Heat treatment 1 6 Mechanical properties 1 Publication referred to Inside back
6、 coverBS3L80:1985 ii BSI 02-2000 NOTE 1Other forms of material of the same composition are covered by the following BritishStandards: BS L44, Forging stock, bars, extruded sections and forgings. BS L56, Tube (Temper designation0) (Seamless: tested hydraulically). BS L81, Sheet and strip (Temper desi
7、gnation H16 or H26). NOTE 2The chemical composition of this material complies with that registered as InternationalDesignation5251. NOTE 3The title of the publication referred to in this standard is listed on the inside back cover. A British Standard does not purport to include all the necessary pro
8、visions of a contract. Users of British Standards are responsible for their correct application. 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, pagesi andii, pages1 and 2, an
9、 inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.BS3L80:1985 BSI 02-2000 1 1 Inspection and testing procedure This BritishStandard shall be used i
10、n conjunction with the relevant sections of the latest issue of BSL100. 2 Quality of material The material shall be made from aluminium of the chemical composition specified in clause3, with or without approved scrap at the discretion of the manufacturer. 3 Chemical composition The chemical composit
11、ion of the material shall be: 4 Condition The material shall be supplied annealed. 5 Heat treatment None. 6 Mechanical properties 6.1 Tensile test. The mechanical properties obtained from test pieces selected and prepared in accordance with the relevant requirements of BSL100 shall be as follows: El
12、ement % min. max. Silicon Iron Copper Manganese Magnesium Chromium Zinc a Titanium a Others: each Others: total Aluminium 0.10 1.70 0.40 0.50 0.15 0.50 2.40 0.15 0.15 0.15 0.05 0.15 Remainder a Subject to the discretion of the Quality Assurance Authority, determination of these elements need be made
13、 on a small proportion only of the samples analysed. Nominal thickness 0.2% proof stress Tensile strength Elongation on gauge length of50mm min. min. max. min. mm MPa MPa MPa % 0.4 up to and including2.6 Over2.6 up to and including6.0 60 60 160 160 200 200 18 202 blankBS3L80:1985 BSI 02-2000 Publica
14、tion referred to BS L100, Procedure for inspection and testing of wrought aluminium and aluminium alloys. BS3L80:1985 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on st
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