BS EN 754-6-2008 Aluminium and naluminium alloys — nCold drawn rod bar nand tube — nPart 6 Hexagonal bars tolerances non dimensions and form《铝和铝合金 冷拉杆材 棒材和管材 六角形棒材的尺寸和形状公差》.pdf
《BS EN 754-6-2008 Aluminium and naluminium alloys — nCold drawn rod bar nand tube — nPart 6 Hexagonal bars tolerances non dimensions and form《铝和铝合金 冷拉杆材 棒材和管材 六角形棒材的尺寸和形状公差》.pdf》由会员分享,可在线阅读,更多相关《BS EN 754-6-2008 Aluminium and naluminium alloys — nCold drawn rod bar nand tube — nPart 6 Hexagonal bars tolerances non dimensions and form《铝和铝合金 冷拉杆材 棒材和管材 六角形棒材的尺寸和形状公差》.pdf(12页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARDBS EN 754-6:2008Aluminium and aluminium alloys Cold drawn rod/bar and tube Part 6: Hexagonal bars, tolerances on dimensions and formICS 77.150.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g4
2、4g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 754-6:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2008 BSI 2008ISBN 978 0 580 55599 2National forewordThis British Standard is the UK implementation of EN 754
3、-6:2008. It supersedes BS EN 754-6:1996 which is withdrawn.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 p
4、urport 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 NORME
5、N 754-6March 2008ICS 77.150.10 Supersedes EN 754-6:1995 English VersionAluminium and aluminium alloys - Cold drawn rod/bar and tube -Part 6: Hexagonal bars, tolerances on dimensions and formAluminium et alliages daluminium - Barres et tubes tirs -Partie 6: Barres hexagonales, tolrances sur dimension
6、s etformeAluminium und Aluminiumlegierungen - Gezogene Stangenund Rohre - Teil 6: Sechskantstangen, 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 for
7、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 official ve
8、rsions (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, Belgium,
9、 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 STANDA
10、RDIZATIONCOMIT 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 754-6:2008: EEN 754-6:2008 (E) 2 Contents Page Foreword3
11、 1 Scope 4 2 Tolerances on dimensions .4 2.1 Width across flats4 2.2 Corner radii.4 2.3 Length .5 2.4 Squareness of cut ends 5 3 Tolerances on form5 3.1 Straightness .5 3.2 Convexity - Concavity .6 3.3 Twist6 Bibliography 8 BS EN 754-6:2008EN 754-6:2008 (E) 3 Foreword This document (EN 754-6:2008) h
12、as 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 endorsement, at the latest by September 2008, and
13、conflicting national standards shall be withdrawn at the latest by September 2008. This document supersedes EN 754-6:1995. Within its programme of work, Technical Committee CEN/TC 132 entrusted CEN/TC 132/WG 5 “Extruded and drawn products“ to revise EN 754-6:1995 The following technical modification
14、s have been introduced during the revision: Only editorial changes to bring this part in line with the other parts of EN 754 EN 754 comprises the following parts under the general title “Aluminium and aluminium alloys Cold drawn rod/bar and tube “: Part 1: Technical conditions for inspection and del
15、ivery 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 bars, tolerances on dimensions and form Part 7: Seamless tubes, tolerances on
16、 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 be held responsible for identifying any or all such patent rights. CEN/TC
17、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. According to the CEN/CENELEC Internal Regulations, the nat
18、ional 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, Luxembourg, Malta, Netherlands, Norway,
19、 Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 754-6:2008EN 754-6:2008 (E) 4 1 Scope This document specifies the tolerances on dimensions and form for aluminium and aluminium alloy cold drawn hexagonal bars having widths across flats in the r
20、ange from 3 mm up to and including 80 mm. The temper designations used in this part are according to EN 515. 2 Tolerances on dimensions 2.1 Width across flats The tolerances on width across flats are specified in Table 1. Table 1 Tolerances on width across flats Dimensions in millimetres Width acros
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