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    BS ISO 6362-6-2012 Wrought aluminium and aluminium alloys Extruded rods bars tubes and profiles Round square rectangular and hexagonal tubes Tolerances on shape and dimensions《锻造铝和.pdf

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    BS ISO 6362-6-2012 Wrought aluminium and aluminium alloys Extruded rods bars tubes and profiles Round square rectangular and hexagonal tubes Tolerances on shape and dimensions《锻造铝和.pdf

    1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 6362-6:2012Wrought aluminium andaluminium alloys Extrudedrods/bars, tubes and profilesPart 6: Round, square, rectangular andhexagonal tubes Tolerances on shapeand dimensio

    2、nsBS ISO 6362-6:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 6362-6:2012.The UK participation in its preparation was entrusted to TechnicalCommittee NFE/35, Light metals and their alloys.A list of organizations represented on this committee can beobtain

    3、ed on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 72164 9ICS 77.150.10Compliance with a

    4、British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 October 2012.Amendments issued since publicationDate Text affectedBS ISO 6362-6:2012 ISO 2012Wrought aluminium and aluminium alloy

    5、s Extruded rods/bars, tubes and profiles Part 6: Round, square, rectangular and hexagonal tubes Tolerances on shape and dimensionsAluminium et alliages daluminium corroys Barres, tubes et profils fils Partie 6: Tubes ronds, carrs, rectangulaires et hexagonaux Tolrances sur forme et dimensionsINTERNA

    6、TIONAL STANDARDISO6362-6First edition2012-07-01Reference numberISO 6362-6:2012(E)BS ISO 6362-6:2012ISO 6362-6:2012(E)ii ISO 2012 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2012All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any f

    7、orm or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47

    8、E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 6362-6:2012ISO 6362-6:2012(E) ISO 2012 All rights reserved iiiContents PageForeword iv1 Scope 12 Normative references . 13 Terms and definitions . 14 Materials . 15 Tolerances on dimensions 25.1 General . 25.2 Tolerances on diamete

    9、r for round tube . 35.3 Tolerances on width, depth or width across flats Squares, rectangles, hexagons . 45.4 Tolerances on wall thickness for round tube 65.5 Tolerances on wall thickness for tubes that are other than round 75.6 Tolerances on wall thickness variation (eccentricity) Round tube . 85.7

    10、 Tolerances on length of straight tube 95.8 Squareness of cut ends .106 Tolerances on form .106.1 General .106.2 Straightness 106.3 Convexity/concavity Square and rectangular tube . 116.4 Twist Square and rectangular tube 126.5 Angularity Square and rectangular tube 136.6 Corner and fillet radii Squ

    11、are and rectangular tube .146.7 Depth of dents for round tube14Annex A (informative) Wall thickness variation (eccentricity) 15BS ISO 6362-6:2012ISO 6362-6:2012(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodie

    12、s). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and n

    13、on-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Par

    14、t 2.The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting

    15、a vote.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.ISO 6362-6 was prepared by Technical Committee ISO/TC 79, Light metals and their alloys, Subcom

    16、mittee SC 6, Wrought aluminium and aluminium alloys.ISO 6362 consists of the following parts, under the general title Wrought aluminium and aluminium alloys Extruded rods/bars, tubes and profiles: Part 1: Technical conditions for inspection and delivery Part 2: Mechanical properties Part 3: Extruded

    17、 rectangular bars Tolerances on shape and dimensions Part 4: Profiles Tolerances on shape and dimensions Part 5: Round, square and hexagonal bars Tolerances on shape and dimensions Part 6: Round, square, rectangular and hexagonal tubes Tolerances on shape and dimensions Part 7: Chemical compositioni

    18、v ISO 2012 All rights reservedBS ISO 6362-6:2012INTERNATIONAL STANDARD ISO 6362-6:2012(E)Wrought aluminium and aluminium alloys Extruded rods/bars, tubes and profiles Part 6: Round, square, rectangular and hexagonal tubes Tolerances on shape and dimensions1 ScopeThis part of ISO 6362 specifies the t

    19、olerances on dimensions and shape of wrought aluminium and aluminium alloy extruded round bars having diameters in the range from 8 mm up to 350 mm; and square and hexagonal bars having widths across flats in the range from 10 mm up to 220 mm.It applies to extruded round, square and hexagonal bars.2

    20、 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 6362-1, Wrought aluminium

    21、 and aluminium alloys Extruded rods/bars, tubes and profiles Part 1: Technical conditions for inspection and delivery3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 6362-1 apply.4 MaterialsFor the purposes of this part of ISO 6362, wrought aluminium a

    22、nd aluminium alloys are divided into two groups, which correspond to varying difficulty when manufacturing the products.The division into group I and group II of the most commonly used general engineering alloys is specified in Table 1 (for seamless tube) and Table 2 (for porthole tube). Grouping of

    23、 other alloys is subject to agreement between the purchaser and supplier. ISO 2012 All rights reserved 1BS ISO 6362-6:2012ISO 6362-6:2012(E)Table 1 Alloy group A (for seamless tube)Group I1070, 1050, 1050A, 1350, 1100, 12003102, 3003, 3103, 32035005, 5005A, 5051A6101, 6101A, 6101B, 6005, 6005A, 6005

    24、C, 6008, 6014, 6060, 6360, 6063, 6063A, 6463Group II2007, 2011, 2011A, 2014, 2014A, 2017,2017A, 2024, 20305019, 5049, 5051, 5251, 5052, 5154, 5154A, 5454, 5754, 5056, 5083, 50866110A, 6012, 6018, 6351, 6061, 6261, 6262, 6081, 60827003, 7204, 7005, 7108, 7108A, 7020, 7021, 7022, 7049A, 7050, 7075NOTE

    25、 The four-digit numbers listed are taken from the Registration of International Alloy Designations and Chemical Composition Limits for Wrought Aluminium Alloys, published by the Aluminum Association, 1525 Wilson Boulevard, Suite 600, Arlington, VA 22209, USA (known as “Teal Sheets”).Table 2 Alloy gr

    26、oup B (for porthole tube)Group I1070, 1050, 1050A, 1350, 1100, 12003102, 3003, 3103, 32035005, 5005A6101, 6101A, 6101B, 6005, 6005A, 6005C, 6008, 6014, 6060, 6360, 6063, 6063A, 6463Group II5051, 5049, 5251, 50526110A, 6012, 6018, 6351, 6061, 6261, 6262, 6081, 60827003, 7005, 7108, 7108A, 7020NOTE Th

    27、e four-digit numbers listed are taken from the Registration of International Alloy Designations and Chemical Composition Limits for Wrought Aluminium Alloys, published by the Aluminum Association, 1525 Wilson Boulevard, Suite 600, Arlington, VA 22209, USA (known as “Teal Sheets”).5 Tolerances on dim

    28、ensions5.1 GeneralWhen outside diameter OD, inside diameter ID, and wall thickness t, are all specified, standard tolerances shall apply to any two of these dimensions, but not to all three. As a result, the purchaser shall only state two nominal dimensions on any given order.For round tubes see Fig

    29、ure 1. For any tubes that are other than round, see Figure 2.2 ISO 2012 All rights reservedBS ISO 6362-6:2012ISO 6362-6:2012(E)KeyID inside diameterOD outside diameterFigure 1 Round tubeKeyCD circumscribed diameterFigure 2 Circumscribing circle for tubes that are other than round5.2 Tolerances on di

    30、ameter for round tubeTolerances on diameter for round tube shall be in accordance with Table 3. ISO 2012 All rights reserved 3BS ISO 6362-6:2012ISO 6362-6:2012(E)Table 3 Tolerances on diameter for round tubeDimensions in millimetresDiameterOD or IDTolerance on diameter for round tubeMaximum allowabl

    31、e deviation of diameter at any point from specified diameteraMaximum allowable deviation of mean diameter from specified diameterbAlloy group IcAlloy group IIcAlloy group IcAlloy group IIc13 OD or ID 25 0,51 0,76 0,25 0,3825 5W 30 0,30 0,2030 5 1,0 1,5aRefer to Table 1.bThese tolerances only apply t

    32、o 6xxx series alloys in group II. The maximum allowable radii for the other alloys in group II shall be subject to agreement between the supplier and purchaser.Table 17 Maximum allowable corner and fillet radii for porthole tubesWall thickness mmMaximum allowable corner and fillet radii mm 5 0,8 5 1

    33、,5Table 18 Maximum allowable deviation from specified corner and fillet radiiSpecified radius mmMaximum allowable deviation from nominal value of the radius 5 0,5 mm 5 10 %6.7 Depth of dents for round tubeIn certain applications, the depth of surface dents can be an important factor, particularly fo

    34、r round tube with large diameter to wall thickness ratios. In such cases, the maximum allowable depth of dents shall be subject to agreement between the supplier and purchaser.14 ISO 2012 All rights reservedBS ISO 6362-6:2012ISO 6362-6:2012(E)Annex A (informative) Wall thickness variation (eccentric

    35、ity)A.1 GeneralWall thickness variation tolerances for round tube can be the source of a lot of confusion. In particular as to whether quoted values are based on the nominal or mean wall thickness. This annex is included to provide some guidelines as to when each of these possibilities is more appro

    36、priate.A.2 Specifying round tube sizes and tolerancesA.2.1 GeneralRound tube dimensions can be expressed in three different ways: outside diameter (OD) wall thickness (t); inside diameter (ID) t (where t is the nominal wall thickness); OD x ID.Since all three dimensions interact in any given size of

    37、 tube, it is only possible to apply tolerances to any two of the parameters depending on which are the most important for the application of the tube in question. The choice of the dimensional parameters has a very significant effect on how the wall thickness variation is expressed.The method of mea

    38、suring wall thickness t is the same whether the given tube is specified as OD t, ID t or OD x ID and is shown in Figure A.1.The tube wall thickness is measured around the circumference of the tube and the maximum (tmax) and minimum (tmin) values established.Figure A.1 Minimum and maximum values of t

    39、he tube wall thicknessA.2.2 Wall thickness variation for tubes specified as OD t or ID tFor tube that is specified as either OD t or ID t, the nominal wall thickness t can be used as the basis for calculating and expressing the wall thickness variation tolerance. The tolerance can be expressed as th

    40、e ISO 2012 All rights reserved 15BS ISO 6362-6:2012ISO 6362-6:2012(E)difference (in millimetres) between the maximum and minimum values permissible for the tube, i.e. at any point, maximum wall thickness variation, deviation or concentricity:ttmaxmin in mm (A.1)Alternatively, the difference can be e

    41、xpressed as a percentage of the nominal wall thickness which is normally divided by two to give a plus and minus tolerance. The percentage is normally expressed on a plus/minus basis as follows:tttmaxmin%2100 (A.2)A.2.3 Wall thickness variation for tubes specified as OD IDIn the case of tubes specif

    42、ied as OD t, there is no nominal wall thickness available to allow the same method of calculation of wall thickness variation as that described in A.2.2. As a result, it is necessary to use the measured tmaxand tminvalues to give a wall thickness difference which is then used to calculate a percenta

    43、ge of the mean wall thickness.ttttmaxminmaxmin/%()2100 (A.3)This value may then be divided by two to give a plus/minus value for the tolerance.16 ISO 2012 All rights reservedBS ISO 6362-6:2012BS ISO 6362-6:2012ISO 6362-6:2012(E) ISO 2012 All rights reservedICS 77.150.10Price based on 16 pagesThis pa

    44、ge deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It presents the UK view on standards in Europe and at the international level. BSI is incorporated by Royal Charter. British

    45、Standards and other standardisation products are published by BSI Standards Limited.British Standards Institution (BSI)raising standards worldwideBSI389 Chiswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards and PASs are periodically updated by amendment or revision.

    46、 Users of British Standards and PASs should make sure that they possess the latest 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 British Standards would inform th

    47、e Secretary of the technical committee responsible, the identity of which can be found on the inside frontcover. Similary for PASs, please notify BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001BSI offers BSI Subscribing Members an individual updating service called PLUS which

    48、 ensures that subscribers automatically receive the latest editions of British Standards and PASs.Tel: +44 (0)20 8996 7669 Fax: +44 (0)20 8996 7001Email: Buying standardsYou may buy PDF and hard copy versions of standards directly using acredit card from the BSI Shop on the website addition all ord

    49、ers for BSI, international and foreign standards publicationscan be addressed to BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001Email: In response to orders for international standards, BSI will supply the British Standard implementation of the relevant international standard, unless otherwise requested


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