BS L 105-1971 Specification for tube of aluminium-copper-magnesium-silicon-manganese alloy (solution treated and aged at room temperature) (not exceeding 10 mm wall thickn.pdf

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1、BRITISH STANDARD AEROSPACE SERIES BS L 105:1971 (Superseding BS2L62) Specification for Tube of aluminium- copper-magnesium- silicon-manganese alloy (Solution treated and aged at room temperature) (Not exceeding 10 mm wall thickness) (Cu 4.4, Mg 0.5, Si 0.7, Mn 0.8) UDC 629.7:669.715372178274-462BSL1

2、05:1971 This British Standard, having been approved by the AerospaceIndustry Standards Committee, was published underthe authority of the Executive Board of the Institutionon 31 August 1971 BSI 01-2000 The following BSI references relate to the work on this standard: Committee reference ACE/24 Draft

3、 for comment 69/23023 ISBN 0 580 06486 7 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.

4、Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 3 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. Amendme

5、nts issued since publication Amd. No. Date CommentsBSL105:1971 BSI 01-2000 i Contents Page 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 2 Appendix A British Standards covering other forms of material of

6、 similar composition 3ii blankBSL105:1971 BSI 01-2000 1 NOTE 1Attention is drawn to the necessity for special precautions, both during and after manufacture, to protect the tubes from intercrystalline corrosion to which they are particularly susceptible. NOTE 2Attention is drawn to the warning conta

7、ined in Clause6.1. NOTE 3Other forms of material of similar composition are covered by British Standards as listed inAppendix A. 1 Inspection and testing procedure This British Standard shall be used in conjunction with Sections1and11 of BSL100. 2 Quality of material The material shall be made from

8、aluminium and alloying constituents, with or without approved scrap, at the discretion of the manufacturer. 3 Chemical composition The chemical composition of the material shall be: 4 Condition Unless otherwise agreed in accordance with BSL100, Section11, the material shall be supplied solution trea

9、ted, drawn and aged at room temperature. 5 Heat treatment The material shall be heat treated as follows: 1) Solution treat by heating at a temperature of505 5 C and quenching in water at a temperature not exceeding40 C. 2) Age at room temperature for not less than48hours. Element % min. max. Copper

10、3.9 5.0 Magnesium 0.20 0.8 Silicon 0.50 0.90 Iron 0.5 Manganese 0.40 1.2 Nickel a 0.2 Zinc a 0.2 Lead a 0.05 Tin a 0.05 Titanium plus Zirconium a 0.2 Chromium a 0.10 Aluminium The remainder a Subject to the discretion of the Inspecting Authority, determination of these elements need be made on a sma

11、ll proportion only of the samples analysed.BSL105:1971 2 BSI 01-2000 6 Mechanical properties 6.1 Tensile test 1) . The mechanical properties obtained from test pieces selected and prepared in accordance with the relevant requirements of BSL100 shall be not less than the following values: 6.2 Hardnes

12、s test. The value of X shall be as shown in the following table: 1) WARNING. Tube re-heat treated in accordance with Clause5 without cold drawing after solution treatment may be expected to have the following minimum properties: 0.2% proof stress245N/mm 2 Tensile strength385N/mm 2 0.2% proof stress

13、Tensile strength Elongation on gauge length of 50 mm N/mm 2 N/mm 2 % 290 400 10 NOTE1N/mm 2 =1MN/m 2 =0.102kgf/mm 2 =0.1hbar=0.065tonf/in 2 . Information on SIunits is given in BS3763, “The International System of units (SI)” and in PD5686, “The use of SI units”. See also BS350, “Conversion factors

14、and tables”. Tensile strength of test piece Value of X N/mm2 % 400 to less than 415 5 415 to less than 430 7.5 430 to less than 450 10 450 and over 12.5BSL105:1971 BSI 01-2000 3 Appendix A British Standards covering other forms of material of similar composition Form Solution treated and aged at roo

15、m temperature Solution treated and precipitation treated Supplied for solution treatment by the user Bars and extruded sections (not exceeding 200 mm diameter or minor sectional dimension) BS L 102 BS L 65 Forging stock and forgings BS L 103 BS L 77 Hexagonal bars for nuts, couplings and hollow mach

16、ined parts (free from peripheral and asymmetric coarse grain) BS L 87 Sheet and strip BS L 70 BS L 104 BS L 106 a Aluminium-coated sheet and strip BS L 72 BS L 73 BS L 107 a Close toleranced sheet and strip (aluminium-coated) BS L 89 BS L 90 BS L 108 a Tube (not exceeding 10 mm wall thickness) BS L

17、63 Wire for solid, cold-forged rivets (not exceeding 10 mm diameter) BS L 37 Plate: controlled stretched BS L 93 Plate: not controlled stretched BS L 94 a In course of preparation.BS L 105:1971 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national bo

18、dy responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest

19、amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which can b

20、e found on the inside front cover. Tel:02089969000. Fax:02089967400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publicati

21、ons should be addressed to Customer Services. Tel:02089969001. Fax:02089967001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as BritishStandards, unless otherwise requested. Information on standards BSI provide

22、s a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel:020

23、89967111. Fax:02089967048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel:02089967002. Fax:02089967001. Copyright Copyright

24、 subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or

25、by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel:02089967070.

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