BS EN 754-5-2008 Aluminium and naluminium alloys — nCold drawn rod bar nand tube — nPart 5 Rectangular bars tolerances non dimensions and form《铝和铝合金 冷拉杆材 棒材和管材 矩形棒材尺寸和形状公差》.pdf

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1、BRITISH STANDARDBS EN 754-5:2008Aluminium and aluminium alloys Cold drawn rod/bar and tube Part 5: Rectangular bars, tolerances on dimensions and formICS 77.150.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48

2、g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 754-5:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2008 BSI 2008ISBN 978 0 580 55598 5National forewordThis British Standard is the UK implementation of EN 7

3、54-5:2008. It supersedes BS EN 754-5:1996 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee NFE/35, Light metals and their alloys.A list of organizations represented on this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 does not

4、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 EUROPENNEEUROPISCHE NORM

5、EN 754-5March 2008ICS 77.150.10 Supersedes EN 754-5:1995 English VersionAluminium and aluminium alloys - Cold drawn rod/bar and tube -Part 5: Rectangular bars, tolerances on dimensions and formAluminium et alliages daluminium - Barres et tubes tirs -Partie 5: Barres rectangulaires, tolrances sur dim

6、ensionset formeAluminium und Aluminiumlegierungen - Gezogene Stangenund Rohre - Teil 5: Rechteckstangen, Grenzabmae undFormtoleranzenThis European Standard was approved by CEN on 10 February 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions

7、 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 European Standard exists in three offici

8、al 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 national standards bodies of Austria, Bel

9、gium, 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 and United Kingdom.EUROPEAN COMMITTEE FOR S

10、TANDARDIZATIONCOMIT 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 754-5:2008: EEN 754-5:2008 (E) 2 Contents Page Fore

11、word3 1 Scope 4 2 Alloy groups .4 3 Tolerances on dimensions .4 3.1 Thickness and width .4 3.2 Corner radii.6 3.3 Length .6 3.4 Squareness of cut ends 6 4 Tolerances on form6 4.1 Straightness .6 4.2 Convexity - Concavity .7 4.3 Twist8 4.4 Squareness.9 Bibliography 11 BS EN 754-5:2008EN 754-5:2008 (E

12、) 3 Foreword This document (EN 754-5:2008) 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 publication of an identical text or by endors

13、ement, at the latest by September 2008, and conflicting national standards shall be withdrawn at the latest by September 2008. This document supersedes EN 754-5:1995. Within its programme of work, Technical committee CEN/TC 132 entrusted CEN/TC 132/WG 5 “Extruded and drawn products“ to revise EN 754

14、-5:1995. The following technical modifications have been introduced during the revision: Clause 2: Alloy EN AW-6262A and EN AW 6065 are added in Group I Clause 2: Alloy EN AW-5049 is added in Group II EN 754 comprises the following parts under the general title “Aluminium and aluminium alloys Cold d

15、rawn rod/bar and tube“: Part 1: Technical conditions for inspection and delivery Part 2: Mechanical properties Part 3: Round 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 ba

16、rs, tolerances on dimensions and form Part 7: Seamless tubes, tolerances on dimensions and form Part 8: Porthole tubes, 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

17、 be held responsible for identifying any or all such patent rights. CEN/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 corresp

18、onding standard. According to the CEN/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,

19、 Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 754-5:2008EN 754-5:2008 (E) 4 1 Scope This document specifies the tolerances on dimensions and form for aluminium and al

20、uminium alloy cold drawn rectangular bars having thicknesses in the range from 2 mm up to and including 60 mm and widths in the range from 5 mm up to and including 200 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

21、most commonly used general engineering alloys is specified in Table 1. Grouping of other alloys is subject to agreement between supplier and purchaser. Table 1 Alloy groups Group I EN AW-1050A, EN AW-1200 EN AW-3003, EN AW-3103 EN AW-5005, EN AW-5005A, EN AW-5251 EN AW-6012, EN AW-6060, EN AW-6061,

22、EN AW-6262, EN AW-6262A, EN AW-6063, EN AW-6063A, EN AW-6065 EN AW-6082 EN AW-2007, EN AW-2011, EN AW-2011A, 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-5754, EN AW-5083, EN AW-5086 Group II EN AW-7020, EN AW-7022, EN AW-7049A,

23、EN AW-7075 3 Tolerances on dimensions 3.1 Thickness and width The tolerances on thickness and width are specified in Tables 2 and 3. For the purpose of this document the alloys are distributed into two groups which correspond to varying difficulty when manufacturing the products. The division into g

24、roup I and group II of the most commonly used general engineering alloys is specified in Table 1. BS EN 754-5:2008EN 754-5:2008 (E) 5 Table 2 Width and thickness tolerances for alloy group I Dimensions in millimetres Width W Thickness tolerances for thickness range t Over Up to and including Toleran

25、ces 2 t 6 6 5 000 5 100 05+07+010+100 200 07+09+012+If no fixed or minimum length is specified in the order document, rectangular drawn 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

26、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). 4 Tolerances on form 4.1 Straightness Deviations from straightness, hs

27、and 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. BS EN 754-5:2008EN 754-5:2008 (E) 7 For rectangular bars with thickness equal to or greater than 6 mm, the straightness tolerances are specified in Table

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

29、and purchaser. The straightness tolerances apply to rectangular bars in all tempers except O and Tx51. If a straightness tolerance is required for either O or Tx51 temper, it shall be agreed between supplier and purchaser. Key 1 base plate 2 straight edge Figure 1 Measurement of deviation from strai

30、ghtness Table 6 Straightness tolerances Dimensions in millimetres With 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 6 40 2 0,6 6 120 40 60 3 1,0 6 40 3 1,0 120 200 4

31、0 60 4 1,5 4.2 Convexity - Concavity The convexity - concavity shall be measured as shown in Figure 2. The tolerances are specified in Table 7. BS EN 754-5:2008EN 754-5:2008 (E) 8 Key 1 base plate Figure 2 Measurement of deviation from flatness Table 7 Convexity - Concavity tolerances Dimensions in

32、millimetres Width W Over Up to and including Flatness tolerances f 530 0,10 30 50 0,15 50 80 0,20 80 120 0,30 120 200 0,50 4.3 Twist The twist measurement shall be carried out as shown in Figure 3. The twist tolerances are specified in Table 8. For rectangular bars with width less than 10 mm, the tw

33、ist tolerances shall be agreed between supplier and purchaser. The twist tolerances apply to bars in all tempers except O and Tx51. If a twist tolerance is required for either O or Tx51 temper, it shall be agreed between supplier and purchaser. BS EN 754-5:2008EN 754-5:2008 (E) 9 Key 1 base plate Fi

34、gure 3 Measurement of twist Table 8 Twist tolerances Dimensions in millimetres With W Twist tolerances T Over Up to and including per 1 000 mm of length over the total length 10 30 1,0 3 30 50 1,5 4 50 120 2,0 5 120 200 3,0 8 4.4 Squareness The deviation from square shall be measured as shown in Fig

35、ure 4. Squareness tolerances are specified in Table 9. BS EN 754-5:2008EN 754-5:2008 (E) 10 Figure 4 Measurement of deviation from square Table 9 Squareness tolerances Dimensions in millimetres Thickness t From Up to and including Maximum deviation from square Z 2 60 0,005 x thickness t BS EN 754-5:

36、2008EN 754-5:2008 (E) 11 Bibliography 1 EN 515, Aluminium and aluminium alloys Wrought products Temper designations BS EN 754-5:2008BS EN 754-5:2008BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards.

37、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 amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions.It is the constant aim o

38、f 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 Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)

39、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 latest editions of standards.Buying standardsOrders for all BSI, international and foreign standards publications should be addressed to Custo

40、mer 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 response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British S

41、tandards, unless otherwise requested.Information on standardsBSI provides 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 o

42、n 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 BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these a

43、nd other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-.Information regarding online access to British Standards via British Standards Online can be found at http:/www.bsi- information about BSI is available on the BSI website at

44、 http:/www.bsi-.CopyrightCopyright 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 sys

45、tem or transmitted in any form or 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.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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