BS EN 515-2017 Aluminium and aluminium alloys Wrought products Temper designations《铝和铝合金 锻制品 回火标志》.pdf

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1、BS EN 515:2017Aluminium and aluminiumalloys Wrought products Temper designationsBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 515:2017 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 515:2017.It supersedes BS EN 515:1993

2、which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee NFE/35, Light metals and their alloys.A list of organizations represented on this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 purport to include all the necessary provi

3、sions of a contract. Users are responsible for its correct application. The British Standards Institution 2017.Published by BSI Standards Limited 2017ISBN 978 0 580 91764 6 ICS 01.040.77; 77.120.10; 77.150.01 Compliance with a British Standard cannot confer immunity from legal obligations.This Briti

4、sh Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2017.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 515:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 515 March 2017 ICS 01.040.77; 77.120.10; 77.150.0

5、1 Supersedes EN 515:1993English Version Aluminium and aluminium alloys - Wrought products - Temper designations Aluminium et alliages daluminium - Produits corroys - Dsignation des tats mtallurgiques Aluminium und Aluminiumlegierungen - Halbzeug - Bezeichnungen der Werkstoffzustnde This European Sta

6、ndard was approved by CEN on 6 February 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concernin

7、g such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into it

8、s own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germa

9、ny, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOM

10、ITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 515:2017 EBS EN 515:2017EN 515:2017 (E) 2 Contents Page European foreword . 3 1 Scope 4 2 Normati

11、ve references 4 3 Terms and definitions . 4 4 Basis of codification . 6 5 Basic temper designations . 6 5.1 F as fabricated . 6 5.2 O - Annealed 6 5.3 H Strain-hardened . 6 5.4 W Solution heat-treated 7 5.5 T - Thermally treated to produce stable tempers other than F, O or H (for heat-treatable allo

12、ys only) 7 6 Subdivision of O (annealed) temper designations 7 6.1 O1 High temperature annealed and slow cooled . 7 6.2 O2 Thermo-mechanically processed . 7 6.3 O3 Homogenized 7 7 Subdivision of H (strain-hardened) temper designations . 7 8 Subdivision of T (thermally treated to produce stable tempe

13、rs other than F, O or H) temper designations . 10 8.1 First digit after T . 10 8.2 Additional digits added to designations T1 to T10 12 8.3 Assigned additional digits for stress-relieved T tempers . 12 8.3.1 Stress-relieved by stretching . 12 8.3.2 Stress-relieved by compressing 13 8.3.3 Stress-reli

14、eved by combined stretching and compressing . 13 8.3.4 Assigned additional digits for stress-relieved W tempers 13 8.4 Assigned additional digits for variations of T7 type tempers 13 8.5 Demonstration of response to heat treatment 14 8.5.1 Temper designations for producer/supplier Laboratory demonst

15、ration of response to heat treatment. 14 8.5.2 Temper designations for producer/supplier Demonstration of response to temper conversion 14 8.5.3 Temper designations for purchaser/user heat treatment . 14 9 Summary . 14 Annex A (informative) Recommendations for further T tempers extensions 23 A.1 Num

16、eral 1 as a second digit after T . 23 A.2 Numerals 1 and 3 to 9 as a second digit after T3, T8 or T9 . 23 A.3 Numerals 1 and 3 to 5 as a second digit after T5 or T6 23 A.4 Numeral 6 as a second digit after T5 or T6 . 23 A.5 Summary of possible uses of a second digit after T . 23 Bibliography . 25 BS

17、 EN 515:2017EN 515:2017 (E) 3 European foreword This document (EN 515:2017) 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

18、of an identical text or by endorsement, at the latest by September 2017, and conflicting national standards shall be withdrawn at the latest by September 2017. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held

19、responsible for identifying any or all such patent rights. This document supersedes EN 515:1993. The following modifications were implemented in this new version of EN 515: Addition of Clause 2 “Normative references”; new definitions and sources in Clause 3; new precision in Subclauses 6.1, 7 and 7.

20、3; new Table 1 and modification of Table 2; improvement of the content of Clause 8.4; modification of Figure 1; inclusion of new tempers in Table 3: T552, T554, T72, T72510, T72511, T74511, T7452, T7454, T7752, T7754, T7852, T7854, T7952 and T7954; modification of new tempers in Table 3: H131, T3510

21、; updating Annex A. According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Ma

22、cedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 515:2017EN 515:2017 (E) 4 1 Scope This European Stand

23、ard establishes temper designations for all forms of wrought aluminium and aluminium alloys and for continuously cast aluminium and aluminium alloys drawing stock and strip intended to be wrought. NOTE Some of these temper designations may be subject of patent or patent applications and their listin

24、g herein is not to be construed in any way as the granting of a license under such patent right. Additional temper designations, conforming to this standard, may be standardized with CEN/TC 132 and AECMA/5 provided: the temper is used or is available for use by more than one user; mechanical propert

25、y limits are defined; the characteristics of the temper are significantly different from those of all other tempers which have the same sequence of basic treatments and for which designations already have been assigned for the same alloy and product; the following are also defined if characteristics

26、 other than mechanical properties are considered significant: a) test methods and limits for the characteristics; or b) the specific practices used to produce the temper. 2 Normative references Not applicable. 3 Terms and definitions For the purposes of this document, the following terms and definit

27、ions apply. 3.1 temper condition of the metal produced by mechanical and/or thermal processing, typically characterized by a certain structure and specified properties SOURCE: EN 12258-1:2012, 3.6.5 3.2 hot working forming of a solid metal after preheating Note 1 to entry: Strain hardening may or ma

28、y not occur during hot working. SOURCE: EN 12258-1:2012, 3.2.3 BS EN 515:2017EN 515:2017 (E) 5 3.3 cold working forming of a solid metal without preheating Note 1 to entry: Plastic deformation of metal at such temperature and strain-rate that strain-hardening occurs. SOURCE: EN 12258-1:2012, 3.2.4 3

29、.4 strain hardening modification of a metal structure by cold working resulting in an increase in strength and hardness with loss of ductility SOURCE: EN 12258-1:2012, 3.2.11 3.5 solution heat treatment heating an alloy to a suitable temperature for sufficient time to allow one or more soluble const

30、ituents to enter into solid solution, where they are retained in a supersaturated state after quenching SOURCE: EN 12258-1:2012, 3.7.1 3.6 ageing treatment of a metal aiming at a change in its properties by precipitation of intermetallic phases from supersaturated solid solution Note 1 to entry: Age

31、ing can be a treatment at room temperature (natural ageing) or a thermal treatment (artificial ageing). Note 2 to entry: In North America the term “aging” is used. SOURCE: EN 12258-1:2012, 3.7.15 3.7 annealing thermal treatment to soften metal by reduction or removal of strain hardening resulting fr

32、om cold working and/or by coalescing precipitates from the solid solution SOURCE: EN 12258-1:2012, 3.6.6 3.8 heat-treatable alloy alloy capable of being strengthened by suitable thermal treatment Note 1 to entry: In addition to cold working, heat-treatable alloys are typically strengthened by precip

33、itation hardening. SOURCE: EN 12258-1:2012, 2.2.8 BS EN 515:2017EN 515:2017 (E) 6 3.9 non heat-treatable alloy alloy which is not strengthened by thermal treatment Note 1 to entry: Non-heat-treatable alloys are only strengthened by hot or cold working. SOURCE: EN 12258-1:2012, 2.2.9 3.10 stress reli

34、eving reduction of internal residual stresses by thermal or mechanical means SOURCE: EN 12258-1:2012, 3.2.8 4 Basis of codification 4.1 The temper designations are based on the sequences of basic treatments used to produce the various tempers. Property (mechanical or physical) limits apply to indivi

35、dual alloy-temper-product combinations. 4.2 The temper designation follows the alloy designation; these are separated by a hyphen. 4.3 Basic temper designations consists of letters. If subdivisions of the basic tempers are required, these are indicated by one or more digits following the letter of t

36、he basic temper. These digits relate to a specific sequence of basic treatments, but only those treatments or operations recognized as significantly influencing the products characteristics are indicated. Should some other variation of the same sequence of basic operations be applied to the same all

37、oy, resulting in different characteristics, then additional digits are added to the designation. 5 Basic temper designations 5.1 F as fabricated This designation applies to the products of shaping processes in which no special control over thermal conditions or strain hardening is applied. For this

38、temper, there are no mechanical property limits specified. 5.2 O - Annealed This designation applies to products which are annealed to obtain the lowest strength temper. The O may be followed by a digit other than zero1. 5.3 H Strain-hardened This designation applies to products subjected to the app

39、lication of cold work after annealing (or after hot forming), or to a combination of cold work and partial annealing or stabilizing, in order to secure the specified mechanical properties. The letter H is always followed by at least two digits, the first indicating the specific combination of basic

40、operations and the second indicating the degree of strain hardening. A third digit indicates the variation of a two digits temper and it is used when mechanical properties, or others characteristics, differ from those of the two digits H temper to which it is added. 1Products achieving the required

41、annealed properties after hot forming processes may be designated as O temper. BS EN 515:2017EN 515:2017 (E) 7 5.4 W Solution heat-treated This designation describes an unstable temper. It applies only to alloys which spontaneously age at room temperature after solution heat-treatment. This designat

42、ion is specific only when the period of natural ageing is indicated; for example W 1/2 h. 5.5 T - Thermally treated to produce stable tempers other than F, O or H (for heat-treatable alloys only) This designation applies to products which are thermally treated, with or without supplementary strain-h

43、ardening, to produce stable tempers. The T is always followed by one or more digits indicating the specific sequence of treatments. 6 Subdivision of O (annealed) temper designations 6.1 O1 High temperature annealed and slow cooled2This designation applies to wrought products which are thermally trea

44、ted at approximately the same time and temperature required for solution heat-treatment and slow cooled to room temperature, in order to generate the correct ultrasonic response and / or provide dimensional stability. It is applicable to products which are to be machined prior to solution heat treat

45、ment by the user. Mechanical property limits are not specified. 6.2 O2 Thermo-mechanically processed This designation applies to wrought products subjected to a special thermo-mechanical treatment. It is applicable to products which are to be super-plastically formed prior to solution heat treatment

46、 by the user. 6.3 O3 Homogenized This designation applies to continuously cast drawing stock or strip, which are subjected to a high temperature soaking treatment to eliminate or reduce segregations, thus improving subsequent formability and or response to solution heat-treatment. 7 Subdivision of H

47、 (strain-hardened) temper designations Subdivisions are made according to the basic operations described in 5.3 and the final degree of strain hardening, as follows: 7.1 First digit after H: The first digit following the letter H indicates the specific combination of basic operations as follows: H1x

48、 Strain hardened only These designations apply to products which are strain-hardened to obtain the desired strength without supplementary thermal treatment. 2Formerly designated as T41. BS EN 515:2017EN 515:2017 (E) 8 H2x Strain-hardened and partially annealed These designations apply to products wh

49、ich are strain-hardened more than the desired final amount and then reduced in strength to the desired final level by partial annealing. For alloys that age-soften at room temperature, the H2x tempers have the same minimum ultimate tensile strength as the corresponding H3x tempers. For other alloys, the H2x tempers have the same minimum ultimate tensile strength as the corresponding H1x tempers and slightly higher elongation. H3x Strain-hardened and stabilized These designations apply to products

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