BS 4L 54-1986 Specification for tube of 99% aluminium (cold drawn seamless tested hydraulically) (not exceeding 12 mm wall thickness)《99%铝管规范(冷拔 无缝 液压试验)(壁厚不超过12mm)》.pdf

1、BRITISH STANDARD AEROSPACE SERIES BS4L54:1986 (Superseding BS3L54) Incorporating Amendment No.1 Specification for Tube of99% aluminium (Cold drawn: seamless: tested hydraulically) (Not exceeding12mm wall thickness) UDC629.7:669.71-462BS4L54:1986 This BritishStandard, having been prepared under the d

2、irectionof the Aerospace Standards Committee, was published under the authority ofthe Board of BSI and comesintoeffect on 28February1986 BSI02-2000 The following BSI references relate to the work on this standard: Committee referenceACE/24 Draft for comment81/77624DC ISBN 0 580 14846 7 Committees re

3、sponsible for this BritishStandard The 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 Ref

4、iners Limited BNF Metals Technology Centre 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 Aero

5、space Companies Limited Amendments issued since publication Amd. No. Date of issue Comments 5994 August1988 Indicated by a sideline in the marginBS4L54:1986 BSI 02-2000 i Contents Page Committees responsible Inside front cover 1 Inspection and testing procedure 1 2 Quality of material 1 3 Chemical c

6、omposition 1 4 Condition 1 5 Heat treatment 1 6 Mechanical properties 1 7 Non-destructive testing 2 Publication referred to Inside back coverBS4L54:1986 ii BSI 02-2000 NOTE 1Heating material to this specification (e.g.to facilitate bending or forming) may reduce its strength to that of the annealed

7、condition. NOTE 2Other forms of material of similar 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 L34, Forging stock, bars, extruded sections and forgings. BS L116, Tube (Cold draw

8、n: seamless: not tested hydraulically). NOTE 3The chemical composition of this material complies with that registered as International Designation1200. NOTE 4The title of the publication referred to in this standard is listed on the inside back cover. A British Standard does not purport to include a

9、ll 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 cover, an inside front cover, pagesi and

10、ii, 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.BS4L54:1986 BSI 02-2000 1 1 Inspection and testing procedure This BritishStan

11、dard 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 manufacturer. NOTEIn the manufacture o

12、f this tube, the use of bridge or port dies is prohibited. 3 Chemical composition The chemical composition of the material shall be: 4 Condition The tube shall be supplied cold drawn. 5 Heat treatment None. 6 Mechanical properties 6.1 Tensile test. The tensile strength of test pieces selected and pr

13、epared in accordance with the relevant requirements of BSL100 shall be not less than the following values: 6.2 Single drifting test. The specified percentage of the tubes shall be subjected to the single drifting test. NOTEThe test pieces may be annealed before being tested. 6.3 Hydraulic distention

14、 test. One sample of the tube at least500mm long in each batch shall be tested to the appropriate pressure determined from the following formula, subject to a maximum of27.6MPa and a minimum of2.1MPa: The sample tube shall not burst, nor show a permanent increase in mean diameter greater than0.2%. E

15、lement % min. max. Silicon plus iron Copper Manganese Zinc Titanium Others: each Others: total a Aluminium 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% and the sum of all the other metallic elements present in amounts of0.01% or more each, express

16、ed to the second decimal place before determining the sum. Nominal outside diameter Tensile strength mm MPa Up to and including75 Over75 125 110 Pressure Mpa ()170 Nominal wall thickness Nominal outside diameter - =BS4L54:1986 2 BSI 02-2000 Examples of the application of this formula are given in th

17、e following table: 6.4 Bore test. The tube shall be subjected to the bore test. 7 Non-destructive testing Each length of tube shall be tested in accordance with the method specified in ASTM E215-67 along its length for internal and external surface defects. Defect indications shall be less than from

18、 a2A hole. Nominal outside diameter Nominal wall thickness (mm) 0.3 0.4 0.5 0.6 0.8 1.0 1.2 1.6 Test pressure (MPa) mm 3.2 4 5 10 14 20 25 30 50 100 15.9 12.8 10.2 5.1 3.6 2.6 2.1 2.1 2.1 2.1 21.3 17.0 13.6 6.8 4.9 3.4 2.7 2.3 2.1 2.1 26.6 21.3 17.0 8.5 6.1 4.3 3.4 2.8 2.1 2.1 27.6 25.5 20.4 10.2 7.

19、3 5.1 4.1 3.4 2.1 2.1 27.6 27.6 27.2 13.6 9.7 6.8 5.4 4.5 2.7 2.1 27.6 27.6 27.6 17.0 12.1 8.5 6.8 5.7 3.4 2.1 27.6 27.6 27.6 20.4 14.6 10.2 8.2 6.8 4.1 2.1 27.6 27.6 27.2 19.4 13.6 10.9 9.1 5.4 2.7BS4L54:1986 BSI 02-2000 Publication referred to BS L100, Procedure for inspection and testing of wroug

20、ht aluminium and aluminium alloys. ASTM E215-67, Standardizing equipment for electromagnetic testing of seamless aluminium alloy tube. BS4L54:1986 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards.

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