BS EN 755-5-2008 Aluminium and naluminium alloys — nExtruded rod bar tube nand profiles — nPart 5 Rectangular bars tolerances on ndimensions and form《铝和铝合金 挤压的杆材 棒材、管材和型材 矩形棒材的尺寸和形.pdf

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1、BRITISH STANDARDBS EN 755-5:2008Aluminium and aluminium alloys Extruded rod/bar, tube and profiles Part 5: Rectangular bars, tolerances on dimensions and formICS 77.150.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g

2、40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 755-5:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2008 BSI 2008ISBN 978 0 580 55560 2National forewordThis British Standard is the UK implementation

3、 of EN 755-5:2008. It supersedes BS EN 755-5:1996 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee NFE/35, Light metals and their alloys.A list of organizations represented on this committee can be obtained on request to its secretary.This publication

4、does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPI

5、SCHE NORMEN 755-5March 2008ICS 77.150.10 Supersedes EN 755-5:1995 English VersionAluminium and aluminium alloys - Extruded rod/bar, tube andprofiles - Part 5: Rectangular bars, tolerances on dimensionsand formAluminium et alliages daluminium - Barres, tubes etprofils fils - Partie 5: Barres rectangu

6、laires, tolrancessur dimensions et formeAluminium und Aluminiumlegierungen - StranggepressteStangen, Rohre und Profile - Teil 5: Rechteckstangen,Grenzabmae und FormtoleranzenThis European Standard was approved by CEN on 10 February 2008.CEN members are bound to comply with the CEN/CENELEC Internal R

7、egulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This

8、 European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the

9、national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland an

10、d United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 755-5:2008

11、: EEN 755-5:2008 (E) 2 Contents Page Foreword3 1 Scope 5 2 Alloy groups .5 3 Tolerances on dimensions .5 3.1 Thickness and width .5 3.2 Corner radii.6 3.3 Length .7 3.4 Squareness of cut ends 7 4 Tolerances on form8 4.1 Straightness .8 4.2 Convexity-Concavity .9 4.3 Twist10 4.4 Squareness.11 Bibliog

12、raphy 13 BS EN 755-5:2008EN 755-5:2008 (E) 3 Foreword This document (EN 755-5:2008) has been prepared by Technical Committee CEN/TC 132 “Aluminium and aluminium alloys”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publ

13、ication of an identical text or by endorsement, at the latest by September 2008, and conflicting national standards shall be withdrawn at the latest by September 2008. This document supersedes EN 755-5:1995. Within its programme of work, Technical committee CEN/TC 132 entrusted CEN/TC 132/WG 5 “Extr

14、uded and drawn products“ to revise EN 755-5:1995. The following technical modifications have been introduced during the revision: Clause 2: Alloys EN AW-3102, EN AW-6008, EN AW-6010A, EN AW-6014, EN AW-6023, EN AW-6360, EN AW-6262A, EN AW-6065 and EN AW-6182 are added in Group I Clause 2: Alloys EN

15、AW-5049, EN AW-7108, EN AW-7108A and EN AW-7021 are added in Group II EN 755 comprises the following parts under the general title “Aluminium and aluminium alloys Extruded rod/bar, tube and profiles“: Part 1: Technical conditions for inspection and delivery Part 2: Mechanical properties Part 3: Roun

16、d bars, tolerances on dimensions and form Part 4: Square bars, tolerances on dimensions and form Part 5: Rectangular bars, tolerances on dimensions and form Part 6: Hexagonal bars, tolerances on dimensions and form Part 7: Seamless tubes, tolerances on dimensions and form Part 8: Porthole tubes, tol

17、erances on dimensions and form Part 9: Profiles, tolerances on dimensions and form Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. CEN

18、/TC 132 affirms it is its policy that in the case when a patentee refuses to grant licenses on standardized standards products under reasonable and not discriminatory conditions then this product shall be removed from the corresponding standard. BS EN 755-5:2008EN 755-5:2008 (E) 4 According to the C

19、EN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

20、 Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 755-5:2008EN 755-5:2008 (E) 5 1 Scope This document specifies the tolerances on dimensions and form for aluminium and aluminium alloy extruded rectangular

21、bars having thicknesses in the range from 2 mm up to 240 mm and widths in the range from 10 mm up to 600 mm. The temper designations used in this part are according to EN 515. 2 Alloy groups The division into group I and group II of the most commonly used general engineering alloys is specified in T

22、able 1. Grouping of other alloys is subject to agreement between supplier and purchaser. Table 1 Alloy groups Group I EN AW-1050A, EN AW-1070A, EN AW-1200, EN AW-1350 EN AW-3102, EN AW-3003, EN AW-3103 EN AW-5005, EN AW-5005A, EN AW-5051A, EN AW-5251 EN AW-6101A, EN AW-6101B, EN AW-6005, EN AW-6005A

23、, EN AW-6106, EN AW-6008, EN AW-6010A, EN AW-6012, EN AW-6014, EN AW-6018, EN AW-6023, EN AW-6351, EN AW-6060, EN AW-6360, EN AW-6061, EN AW-6261, EN AW-6262, EN AW-6262A, EN AW-6063, EN AW-6063A, EN AW-6463, EN AW-6065, EN AW-6081, EN AW-6082, EN AW-6182 Group II EN AW-2007, EN AW-2011, EN AW-2011A

24、, EN AW-2014, EN AW-2014A, EN AW-2017A, EN AW-2024, EN AW-2030 EN AW-5019, EN AW-5049, EN AW-5052, EN AW-5154A, EN AW-5454, EN AW-5754, EN AW-5083, EN AW-5086 EN AW-7003, EN AW-7005, EN AW-7108, EN AW-7108A, EN AW-7020, EN AW-7021, EN AW-7022, EN AW-7049A, EN AW-7075 3 Tolerances on dimensions 3.1 T

25、hickness and width The tolerances on thickness and width are specified in Tables 2 and 3. For the purpose of this standard the alloys are distributed into two groups which correspond to varying difficulty when manufacturing the products. The division into group I and group II of the most commonly us

26、ed general engineering alloys is specified in Table 1. BS EN 755-5:2008EN 755-5:2008 (E) 6 Table 2 Width and thickness tolerances for alloy group I Dimensions in millimetres Width W Thickness t tolerances for thickness ranges Over Up to and including Tole- rances 2 t 66 5 000 - 100 05+07+010+100 200

27、 07+09+012+200 450 08+011+014+450 600 09+012+016+If no fixed or minimum length is specified in the order document, rectangular extruded bars may be delivered in random lengths. The actual lengths and tolerances on random lengths shall be agreed between supplier and purchaser. 3.4 Squareness of cut e

28、nds The squareness of cut ends shall be within half of the fixed length tolerance range (Table 5) for both fixed and random lengths, (e.g. for a fixed length tolerance of 10 0 +mm the squareness of cut ends shall be within 5 mm). BS EN 755-5:2008EN 755-5:2008 (E) 8 4 Tolerances on form 4.1 Straightn

29、ess Deviations from straightness, hsand ht,shall be measured as shown in Figure 1 with the rectangular bar placed on a horizontal base plate so that its mass decreases the deviation. For rectangular bars with thickness equal to or greater than 10 mm, the straightness tolerances are specified in Tabl

30、e 6 (The straightness tolerance htapplies to the whole length, e.g. for a length of 6 m the maximum deviation from straightness ht is the value given in the table multiplied by 6 m). For rectangular bars with thickness less than 10 mm, the straightness tolerances shall be agreed upon between supplie

31、r and purchaser. The straightness tolerances apply to rectangular bars in all tempers except O and Tx510. If a straightness tolerance is required for either O or Tx510 temper, it shall be agreed between supplier and purchaser. Key 1 base plate 2 straight edge Figure 1 Measurement of deviation from s

32、traightness BS EN 755-5:2008EN 755-5:2008 (E) 9 Table 6 Straightness tolerances Dimensions in millimetres Width W Thickness t Over Up to and including Over Up to and including Maximum deviation from straightness per metre length ht/length mm/m Maximum localized kink in any 300 mm portion hs 10 80 10

33、 80 2 1 10 50 2 1 80 120 50 120 3 1,5 10 50 3 1,5 120 180 50 180 4 2 10 50 4 2 180 350 50 240 6 4 350 450 10 240 6 4 450 600 30 120 6 4 4.2 Convexity-Concavity The convexity-concavity shall be measured as shown in Figure 2. The tolerances are specified in Table 7. Key 1 base plate Figure 2 Measureme

34、nt of deviation from flatness BS EN 755-5:2008EN 755-5:2008 (E) 10 Table 7 Convexity-Concavity tolerances Dimensions in millimetres Width W Over Up to and including Tolerances for convexity-concavity f 10 30 0,2 30 50 0,3 50 80 0,4 80 120 0,6 120 180 0,9 180 240 1,2 240 350 1,5 350 450 2,0 450 600 2

35、,5 4.3 Twist The twist measurement shall be carried out as shown in Figure 3. The twist tolerances are specified in Table 8. The twist tolerances apply to rectangular bars in all tempers except O and Tx510. If a twist tolerance is required for either O or Tx510 temper, it shall be agreed between sup

36、plier and purchaser. BS EN 755-5:2008EN 755-5:2008 (E) 11 Key 1 base plate Figure 3 Measurement of twist Table 8 Twist tolerances Dimensions in millimetres Width W Twist tolerances T Over Up to and including per 1 000 mm of length over the total length 10 30 1 3 30 50 1,5 4 50 120 2 5 120 240 3 8 24

37、0 350 4 10 350 450 5 12 450 600 6 14 4.4 Squareness The deviation from square shall be measured as shown in Figure 4. Squareness tolerances are specified in Table 9. BS EN 755-5:2008EN 755-5:2008 (E) 12 Figure 4 Measurement of deviation from square Table 9 Squareness tolerances Dimensions in millime

38、tres Thickness t Over Up to and including Maximum deviation from square Z 2 10 0,1 10 100 0,01 x thickness 100 180 1,0 180 240 1,5 BS EN 755-5:2008EN 755-5:2008 (E) 13 Bibliography 1 EN 515, Aluminium and aluminium alloys Wrought products Temper designations BS EN 755-5:2008BS EN 755-5:2008BSI389 Ch

39、iswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter.RevisionsBritish Standards are updated by

40、amendment or revision. Users of British Standards 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 this British Standar

41、d would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400.BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the

42、 latest editions of standards.Buying standardsOrders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-.In r

43、esponse to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested.Information on standardsBSI provides a wide range of information on national, European and international standards throu

44、gh 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: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-.Subscribing members of B

45、SI 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: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-.Information regarding online a

46、ccess to British Standards via British Standards Online can be found at http:/www.bsi- information about BSI is available on the BSI website at http:/www.bsi-.CopyrightCopyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standa

47、rdization 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 by any means electronic, photocopying, recording or otherwise without prior written permission from BSI.This does not precl

48、ude 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.Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyrightbsi-.

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