BS 3L 63-1971 Specification for tube of aluminium-copper-mangesium-silicon-manganese alloy (solution treated and precipitation treated) (Cu 4 4 Mg 0 5 Si 0 7 Mn 0 8)《铝-铜-(4 4)-镁(0 .pdf

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1、BRITISH STANDARD AEROSPACE SERIES CONFIRMED MAY1980 BS 3L63: 1971 (Superseding BS2L63) Specification for Tube of aluminium- copper-magnesium- silicon-manganese alloy (Solution treated and precipitation treated) (Cu4.4, Mg0.5, Si0.7, Mn0.8) UDC 629.7:669.715372178274-462BS3L63:1971 This British Stand

2、ard, having been approved by the Aerospace Industry Standards Committee, was published underthe authorityofthe Executive Boardof the Institutionon 31August1971 BSI 01-2000 The following BSI references relate to the work on this standard: Committee reference ACE/24 Draft for comment 69/23023 ISBN 0 5

3、80 060470 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

4、comprises a front cover, an inside front cover, pagesi andii, pages1 and2 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. Amendments issued since publication Amd.

5、No. Date CommentsBS3L63:1971 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 1 Appendix A British Standards covering other forms of material of similar composition 2ii blankBS3L

6、63:1971 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 contained in Clause 6.1. NOTE 3Other fo

7、rms 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 Sections1 and11 of BSL 100. 2 Quality of material The material shall be made from aluminium and alloying constitu

8、ents, 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, Section 11, the material shall be supplied solution treated, drawn and subsequently pr

9、ecipitation treated. 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) Precipitation treat by heating uniformly for the requisite period at a temperature between160 C a

10、nd190 C. NOTEThe following temperatures and times at temperature have been found appropriate: 6 Mechanical properties 6.1 Tensile test 1) . The mechanical properties obtained from test pieces selected and prepared inaccordance with the relevant requirements of BSL100 shall be not less than the follo

11、wing values: 6.2 Hardness test. The value of X shall be as shown in the following table: Element % min. max. Copper 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 rema

12、inder a Subject to the discretion of the Inspecting Authority, determination of these elements need be made on a small proportion only of the samples analysed. Temperature Time at temperature C hours 165 175 185 12 to 18 9 to 12 3 to6 1) WARNING.Tube re-heat treated in accordance with Clause 5 witho

13、ut cold drawing after solution treatment may be expected to have the following minimum properties: 0.2% proof stress325 N/mm 2 Tensile strength415 N/mm 2 0.2% proof stress Tensile strength Elongation on gauge length of50mm N/mm 2 N/mm 2 % 370 450 7 NOTE1 N/mm 2= 1 MN/m 2= 0.102 kgf/mm 2= 0.1 hbar =0

14、.065tonf/in 2 . Information on SI units is given in BS3763,“TheInternational System of units (SI)” and in PD5686, “The use of SI units”. See also BS 350, “Conversion factors and tables”. Tensile strength of test piece Value of X N/mm 2 % 450 to less than 465 5 465 to less than 480 7.5 480 to less th

15、an 495 10 495 and over 12.5BS3L63:1971 2 BSI 01-2000 Appendix A British Standards covering other forms of material of similar composition Form Solution treated and aged at room temperature Solution treated and precipitation treated Supplied for solution treatment by the user Bars and extruded sectio

16、ns (not exceeding200mm 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 machined parts (free from peripheral and asymmetric coarse grain) BSL87 Sheet and strip BS L 70 BS L 104 BS L 106 a Aluminium-coate

17、d 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 exceeding10mm wall thickness) BS L 105 Wire for solid, cold-forged rivets (not exceeding10mm diameter) BS L 37 Plate: controlled stretched BS L 93 Plate: not controll

18、ed stretched BS L 94 a In course of preparation.blankBS 3L 63: 1971 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 international level.

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