BS-5L-44-1985.pdf
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1、BRITISH STANDARD AEROSPACE SERIES BS 5L 44:1985 (Superseding BS 4L 44) Specification for Forging stock, bars, extruded sections and forgings of aluminium-2! % magnesium alloy UDC 629.7:669.715721-126 + 669.715721-134 + 669.715721-412 Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:37:44 GM
2、T+00:00 2006, Uncontrolled Copy, (c) BSI BS 5L 44:1985 This British Standard, having been prepared under the direction of the Aerospace Standards Committee, was published under the authority of the Board of BSI and comes into effect on 31 December 1985 BSI 02-2000 The following BSI references relate
3、 to the work on this standard: Committee reference ACE/24 Draft for comment 81/77624 DC ISBN 0 580 14822 X Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Aerospace Standards Committee (ACE/-) to Technical Committee ACE/24 upon which the
4、 following bodies were represented: Aluminium Federation Aluminium Stockholders Association Association of Light Alloy Refiners Limited BNF Metals Technology Centre British Forging Industry Association British Industrial Fasteners Federation British Investment Casting Trade Association Institute of
5、British Foundrymen Light Metal Founders Association Magnesium Industry Council Ministry of Defence Society of British Aerospace Companies Limited Amendments issued since publication Amd. No.Date of issueComments Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:37:44 GMT+00:00 2006, Uncontro
6、lled Copy, (c) BSI BS 5L 44:1985 BSI 02-2000i Contents Page Committees responsibleInside front cover 1Inspection and testing procedure1 2Quality of material1 3Chemical composition1 4Condition1 5Heat treatment1 6Mechanical properties1 Publication referred toInside back cover Licensed Copy: sheffieldu
7、n sheffieldun, na, Mon Dec 04 13:37:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5L 44:1985 ii BSI 02-2000 NOTE 1Other forms of material of the same composition are covered by the following British Standards: BS L 56, Tube (Temper designation 0) (Seamless: tested hydraulically). BS L 80, Sheet a
8、nd strip (Temper designation 0). BS L 81, Sheet and strip (Temper designation H16 or H26). NOTE 2The chemical composition of this material complies with that registered as International Designation 5251. NOTE 3The title of the publication referred to in this standard is listed on the inside back cov
9、er. A British Standard 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 compri
10、ses a front cover, an inside front cover, pages i and ii, pages 1 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. Licensed Copy: sheffi
11、eldun sheffieldun, na, Mon Dec 04 13:37:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5L 44:1985 BSI 02-20001 1 Inspection and testing procedure This British Standard shall be used in conjunction with the relevant sections of the latest issue of BS L 100. 2 Quality of material The material shall
12、be made from aluminium of the chemical composition specified in clause 3, with or without approved scrap at the discretion of the manufacturer. 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
13、 bars, sections and hot-rolled plate for forging shall be supplied non-heat-treated. 4.2 Bars and extruded sections. Bars for machining 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 straightene
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