1、BRITISH STANDARD AEROSPACE SERIES BS5L34:1985 (Superseding BS4L34) Specification for Forging stock, bars, extruded sections and forgings of99% aluminium UDC 629.7:669.71-126+669.71-134+669.71-412BS5L34:1985 This BritishStandard, having been prepared under the directionof the Aerospace Standards Comm
2、ittee, was published under the authority ofthe Board of BSI and comesintoeffect on 31December1985 BSI02-2000 The following BSI references relate to the work on this standard: Committee reference ACE/24 Draft for comment81/77624 DC ISBN 0 580 14825 4 Committees responsible for this BritishStandard Th
3、e preparation of 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 C
4、entre British Forging 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 is
5、sued since publication Amd. No. Date of issue CommentsBS5L34:1985 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 referre
6、d to Inside back coverBS5L34:1985 ii BSI 02-2000 NOTE 1Other forms of material of the same composition are covered by the following BritishStandards: BS L16, Sheet and strip (Temper designation H14 or H24). BS L17, Sheet and strip (Temper designation0). BS L54, Tube (Cold drawn: seamless: tested hyd
7、raulically). BS L116, Tube (Cold drawn: seamless: not tested hydraulically). NOTE 2The chemical composition of this material complies with that registered as International Designation1200. NOTE 3The title of the publication referred to in this standard is listed on the inside back cover. A British S
8、tandard does not purport to include all the necessary provisions 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 cov
9、er, an inside front cover, pagesi andii, pages1 and 2, an 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.BS5L34:1985 BSI 02-2000 1 1 Inspection a
10、nd testing procedure This BritishStandard shall be used in 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 m
11、anufacturer. 3 Chemical composition The chemical composition of the material shall be: 4 Condition 4.1 Forging stock. Cast billets and slabs for hot working and extruded bars, sections and hot-rolled plate for forging shall be supplied non-heat-treated. 4.2 Bars and extruded sections. Bars for machi
12、ning and extruded sections shall be supplied in one of the following conditions: 1) extruded or 2) extruded and drawn or 3) rolled and drawn and subsequently straightened. NOTEThe material may be annealed before or after straightening. 4.3 Forgings. Unless otherwise agreed in accordance with BS L100
13、, forgings shall be supplied as forged or annealed. 5 Heat treatment None. 6 Mechanical properties 6.1 Tensile test. Unless they are required by BSL100 to be fixed by agreement between the manufacturer and the purchaser, the mechanical properties obtained from test pieces selected and prepared in ac
14、cordance with the relevant requirements of BS L100 shall be not less than the following values: Element % min. max. Silicon plus iron Copper Manganese Zinc Titanium Others: each Others: total Aluminium a 99.00 1.00 0.05 0.05 0.10 0.05 0.05 0.15 a The aluminium content is the difference between100.00
15、% and the sum of all the other metallic elements present in amounts of0.01% or more each, expressed to the second decimal place before determining the sum. Tensile strength Elongation on gauge length of 50mm 5.65 S u MPa % % 65 18 202 blankBS5L34:1985 BSI 02-2000 Publication referred to BS L100, Pro
16、cedure for inspection and testing of wrought aluminium and aluminium alloys. BS5L34:1985 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 standards in Europe and at the
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