DIN EN 754-5-2008 Aluminium and aluminium alloys - Cold drawn rod bar and tube - Part 5 Rectangular bars tolerances on dimensions and form English version of DIN EN 754-5 2008-06《铝.pdf

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1、June 2008DEUTSCHE NORM English price group 9No part of this standard may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 77.150.10!$O&“1440356www.d

2、in.deDDIN EN 754-5Aluminium and aluminium alloys Cold drawn rod/bar and tube Part 5: Rectangular bars, tolerances on dimensions and formEnglish version of DIN EN 754-5:2008-06Aluminium und Aluminiumlegierungen Gezogene Stangen und Rohre Teil 5: Rechteckstangen, Grenzabmae und FormtoleranzenEnglische

3、 Fassung DIN EN 754-5:2008-06SupersedesDIN EN 754-5:1996-01www.beuth.deDocument comprises 13 pagesDIN EN 754-5:2008-06 2 National foreword This standard has been prepared by Technical Committee CEN/TC 132 “Aluminium and aluminium alloys” (Secretariat: AFNOR, France), Working Group WG 5 “Extruded and

4、 drawn products” (Secretariat: SN, Norway). The responsible German body involved in its preparation was the Normenausschuss Nichteisenmetalle (Nonferrous Metals Standards Committee), Technical Committee NA 066-01-04 AA Strangpresserzeugnisse. Amendments This standard differs from DIN EN 754-5:1996-0

5、1 as follows: a) In Table 1 “Alloy groups”, alloys EN AW-6262A and EN AW 6065 have been added in Group I and alloy EN AW-5049 has been added in Group II. b) The standard has been editorially revised. Previous editions DIN 1769: 1925-07, 1939-12, 1954-03, 1974-06, 1986-09 DIN EN 754-5: 1996-01 EUROPE

6、AN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 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:

7、 Barres rectangulaires, tolrances sur dimensionset 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 R

8、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

9、 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

10、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

11、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 754-5:2008

12、: EEN 754-5:2008 (E) 2 Contents Page Foreword3 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 Bibliog

13、raphy 11 DIN EN 754-5:2008-06 EN 754-5:2008 (E) 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

14、 publication 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 754-5:1995. Within its programme of work, Technical committee CEN/TC 132 entrusted CEN/TC 132/WG 5

15、“Extruded and drawn products“ to revise EN 754-5:1995. 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 genera

16、l title “Aluminium and aluminium alloys Cold drawn 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, toleranc

17、es 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, tolerances on dimensions and form Attention is drawn to the possibility that some of the elements of this document may be the subject

18、of patent rights. CEN and/or CENELEC shall not 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

19、this product shall be removed from the corresponding 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, Finla

20、nd, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. DIN EN 754-5:2008-06 EN 754-5:2008 (E) 4 1 Scope This document specifies the tol

21、erances on dimensions and form for aluminium and aluminium 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 gr

22、oups The division into group I and group II of the 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-500

23、5A, EN AW-5251 EN AW-6012, EN AW-6060, EN AW-6061, 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-

24、5086 Group II EN AW-7020, EN AW-7022, EN AW-7049A, 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 w

25、hen manufacturing the products. The division into group I and group II of the most commonly used general engineering alloys is specified in Table 1. DIN EN 754-5:2008-06 EN 754-5:2008 (E) 5 Table 2 Width and thickness tolerances for alloy group I Dimensions in millimetres Width W Thickness tolerance

26、s for thickness range t Over Up to and including Tolerances 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

27、 between supplier and purchaser. 3.4 Squareness of cut ends 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 o

28、n form 4.1 Straightness 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. DIN EN 754-5:2008-06 EN 754-5:2008 (E) 7 For rectangular bars with thickness equal to or greater

29、than 6 mm, the straightness tolerances are specified in Table 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 s

30、traightness tolerances shall be agreed upon between supplier 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

31、 2 straight edge Figure 1 Measurement of deviation from straightness 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

32、 portion hs 6 40 2 0,6 6 120 40 60 3 1,0 6 40 3 1,0 120 200 40 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. DIN EN 754-5:2008-06 EN 754-5:2008 (E) 8 Key 1 base plate Figure 2 Measurement of deviation fro

33、m flatness Table 7 Convexity - Concavity tolerances Dimensions in 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 i

34、n Table 8. For rectangular bars with width less than 10 mm, the twist 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

35、purchaser. DIN EN 754-5:2008-06 EN 754-5:2008 (E) 9 Key 1 base plate Figure 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

36、 Squareness The deviation from square shall be measured as shown in Figure 4. Squareness tolerances are specified in Table 9. DIN EN 754-5:2008-06 EN 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 DIN EN 754-5:2008-06 EN 754-5:2008 (E) 11 Bibliography 1 EN 515, Aluminium and aluminium alloys Wrought products Temper designations DIN EN 754-5:2008-06