1、British Standard 2M 46: 1986 IS0 2964-1 985 (Superseding British StandardM 46: 1974) UDC629.7: 621.774- 181 fi British Standards Institution. No Dart of this publication may be photocopied or otherwise reproduced without the pflor permission in writing of BSI British Standard Aerospace Series: Speci
2、fication for Outside diameters and thicknesses of tubing IS0 title: Aerospace-Tubing- Outside diameters and thicknesses- Metric dimensions Srie arospatiale. Diamtres extrieurs et paisseurs des tubes- Spcifications Luft- und Raumfahrt-Reihe. Auendurchmesser und Dicken von Rohren National foreword Thi
3、s revision of this British Standard, prepared under the direction of the Aerospace Standards Committee is identical with IS0 2964-1 985 Aerospace-Tubing- Outside diameters and thicknesses - Metric dimensions, published by the International Organization for Standardization (ISO) and supersedes BS M 4
4、6 : 1974, which is withdrawn. This revision updates the dimensions given in the previous edit ion. The United Kingdom has taken part in the preparation of the international standard through Subcommittee 1 O of ISO/TC 20. Terminology and conventions. The text of the international standard has been ap
5、proved as suitable for publication as a British Standard without deviation. Some terminology and certain conventions are not identical with those used in British Standards; attention is drawn especially to the following. The comma has been used as a decimal marker. in British Standards it is current
6、 practice to use a full point on the baseline as the decimal marker. Wherever the words International Standard appear, referring to this standard, they should be read as British Standard. Compliance with a British Standard does not of itself confer immunity from legal obligations. I Scope and field
7、of application This International Standard specifies the outside diameters and thicknesses of tubes, :or all metallic materials, IO be selected for all uses in aircraft structural and system design. 2 Dimensions The outside diameters and thicknesses of the tubes shall De selected from those specifie
8、d in the table. 3 Tolerances The tolerances shall De specified in the relevant standards appropriate to the material and intended application. British Standards Institution British Standard 2M 46: 1986 - I i - i I l i I i I - I 4- $ T IX xx xc- # xx I T -i- xx I L I I xx I - xc1 ? I - I I i r If i I
9、 I I XIX IX + q-x t -I- %IX I I I I - t ; - - I K/X -c ! i - I $j XjX I I XIX xx XIX XIX x/x I I x /x Ix lx i i XIX I X x Ix I - I j - I XIX ! - x;x I 2 British Standard 2M46: 1986 IS0 2964-1985 This British Standard, having been prepared under the direction of the Aerospace Standards Committee, was
10、 published under the authority of the Board of BSI and comes into effect on 28 February 1986. British Standards Institution, 1986 ISBN O 580 15028 3 British Standards Institution Incorporated by Royal Charter, BSI is the independent national body for the preparation of British Standards. It is the U
11、K member of the International Organization for Standardization and UK sponsor of the British National Committee of the International Electrotechnical Commission. Copyright Users of British Standards are reminded that copyright subsists in all BSI publications. No part of this publication may be repr
12、oduced in any form without the prior permission in writing of BSI. This does not preclude the free use, in thecourse of implementing the standard, of necessary details such as symbols and size, type or grade designations. Enquiries should be addressed to the Publications Manager, British Standards I
13、nstitution, Linford Wood, Milton Keynes MK14 6LE. The number for telephone enquiries is 0908 320033 and for telex 825777. Contract requirements A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct appl
14、ication. Revision of British Standards British Standards are revised, when necessary, by the issue either of amendments or of revised editions. It is important that users of British Standards should ascertain that they are in possession of the latest amendments or editions. Information on all BSI pu
15、blications is in the BSI Catalogue, supplemented each month by BSI News which is available to subscribing members of the Institution and gives details of new publications, revisions, amendments and withdrawn standards. Any person who, when making use of a British Standard, encounters an inaccuracy o
16、r ambiguity, is requested to notify BSI without delay in order that the matter may be investigated and appropriate action taken. The following BSI references relate to the work on this standard: Committee reference ACE/-/l Draft for comment 84/70196 DC Committees responsible for this British Standar
17、d The preparation of this British Standard was entrusted by the Aerospace Standards Committee (ACE/-) to Subcommittee ACE/-/I, upon which the following bodies were represented: Society of British Aerospace Companies Limited Ministry of Defence Civil Aviation Authority, Airworthiness Division Amendments issued since publication Amd. No. Date of issue Text affected I 00 01 British Standards Institution . 2 Park Street London W1A 2BS - Telephone 01-629 9000 Telex 266933 ACE/-/l 8602-3- 1.3k-B
