1、AECMA PREN*2500-2 95 = l10123LL 0007327 33b 9 - AECMA STANDARD NORME AECMA AECMA NORM prEN 2500 Part 2 Edition P 2 May 1995 DIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATERIEL AROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex Tl. (1) 47.36.98.76 Sup
2、ersedes Issue P 1 ICs : July 1992 Descriptors : ENGLISH VERSION Aerospace series Instructions for the drafting and use of metallic material standards Part 2 : Specific requirements for aluminium, aluminium alloys and magnesium alloys Srie arospatiale Instructions pour la rdaction et lutilisation des
3、 normes de matriaux mtalliques Partie 2 : Exigences spcifiques laluminium, aux alliages daluminium et aux alliages de magnsium Luft- und Raumfahrt Regeln fr die Erstellung und Anwendung von Normen ber metallische Werkstoffe Teil 2 : Besondere Festlegungen fr Aluminium, Aluminiumlegierungen und Magne
4、siumlegierungen This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Tec
5、hnical Committee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and sig
6、nature of the AECMA Standard Checking Centre INPSI and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. Nota - Extra coptes can be supplied by B.N.A.E. - Technopolis 54
7、 - 199, rue Jean-Jacques Rousseau - 92 138 ISSY-LES-MOUCINEAUX CEDEX 1 Comments should be sent within six months after the date of publication to I Edition approved for publication 1995-05-31 AECMA Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE C 5 Chairman M.
8、 Odorico aecma 1995 AECMA PREN*2500-2 95 LOL23LL 0009328 272 m Page 2 prEN 2500-2 : 1995 I, Contents list Page 1 Scope . . . . . . 3 2 Normative references . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9、. . . 3 3 Definitions 3 4 The use of metallic material EN aerospace standards 3 5 Instructions for drafting of metallic material EN aerospace standards . . . . . . . . . . 3 AECMA PREN*2500-2 95 = LOL2311 0009329 LO9 = Page 3 prEN 2500-2 : 1995 1 Scope This standard specifies the specific requiremen
10、ts for the drafting and use of aluminium, aluminium alloy and magnesium alloy material standards for aerospace applications. This standhd shall be used in conjunction with EN 2500-1. 2 Normative references This Standard incorporates by dated or undated reference provisions from other publications. T
11、hese normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this Standard only when incorporated in it by amendment or revision. For undated refe
12、rences the latest edition of the publication referred to applies. EN 2500-1 Aerospace series - Instructions for the drafting and use of metallic material standards - Part 1 : General requirements EN 3350 Aerospace series - Aluminium and aluminium alloys - Temper designations ASTM 3 275-90 Standard p
13、ractice for codification of certain non ferrous metals and alloys - Cast and wrought 2, 3 Definitions See EN 2500-1. For temper-designations see EN 3350. 4 The use of metallic material EN aerospace standards See EN 2500-1. 5 Instructions for drafting of metallic material EN aerospace standards Note:
14、 Examples given below are only intended to illustrate the rules and may not correspond to real standardized EN products. Technological development may require the use of terms additional to those listed. 5.1 See EN 2500-1 and example 1 of this standard. Page 1 : Title of the material standard 5.1.1
15、Condition T4 and T42 or T6 and T62 It is permissible to quote two use conditions (e.g. T4 and T42 or T6 and T62) in the same material standard providing they have the same mechanical properties, and are metallurgically the same. See example 2. 5.1.2 Descriptions The following are examples of descrip
16、tions which shall be used. 5.1.2.1 Surface condition entries al where unclad or as manufactured, no entry required, bl clad, c) machined. 1) Published as AECMA Prestandard at the date of publication of this standard 21 This standard is published by : American Society for Testing and Materials (ASTM)
17、, 1916 Race St., Philadelphia, PA 19 103 AECMA PRENt2500-2 95 m 1012311 0009330 920 m Page 4 prEN 2500-2 : 1995 5.1.2.2 Form entries a) sheet and strip b) plate cl bar I, The term may be qualified with one or more of the following terms : - extruded, - drawn, - rolled. d) section The term may be qua
18、lified with the following term : - extruded. e) bar and section - extruded. The term may be qualified with the following term : fl tube The term may be qualified with one or more of the following terms : - extruded, - drawn. g) wire h) forging stock The term may be qualified with one or more of the
19、following terms : - cast, - extruded. i) forgings The term may be qualified with one or more of the following terms : - die, - hand. j) remelting stock k) castings The term may be qualified with one or more of the following terms : - sand, - investment, - precision. - chill, 5.1.2.3 Additional infor
20、mation entries - with peripheral coarse grain control, - for high strength applications (normally used for certain castings), - for structural applications, - for hydraulic applications, - for superplastic forming, - damage tolerant, - for the manufacture of rivets, - for the manufacture of fastener
21、s, - for machining, - for welding. AECMA PRENx2500-2 75 1012311 0009331 867 = Page 5 prEN 2500-2 : 1995 5.2 Page 2 See EN 2500-1. 5.3 Page 3 5.3.1 5.3.2 I. See EN 2500-1 and example 2 of this standard. Condition Tx510 and Tx511, applicable to extruded bars and sections and drawn tubes Material stand
22、ards shall be prepared on the basis that all material will be supplied in the Tx511 condition. These standards may also be used to supply material in the Tx510 condition. In this case, the scope and field of application shall be completed as shown in example 3 of this standard. 5.4 Page 4 5.4.1 Page
23、 4, line 1 : Material designation See EN 2500-1 and example 4 of this standard. 5.4.2 Page 4, line 2 : Chemical composition The chemical composition shall be written in accordance with EN 2500-1 and the following rules: 1) Aluminium alloys a) Wrought products The order of presentation of elements an
24、d chemical composition limits shall conform to that registered with the ALUMINUM ASSOCIATION for that alloy designation. b) Cladding chemical composition The cladding chemical composition shall be written on line 72 using the same rules as for wrought aluminium products. c) Cast products The order o
25、f presentation of elements shall conform to the ALUMINUM ASSOCIATION order used for wrought products. 2) Magnesium alloys The order of presentation of elements and chemical composition limits shall conform to that registered with the AMERICAN SOCIETY FOR TESTING AND MATERIALS, Committee 8-7; current
26、ly listed in ASTM B 275-90. 5.4.3 Page 4, line 3 : Method of melting Not normally used for aluminium, aluminium alloys and magnesium alloys. 5.4.4 Page 4, line 4 : Form, Method of production, Limiting dimensions See EN 2500-1, using the terms listed in 5.1.2.2. See example 4 of this standard. Page 6
27、 prEN 2500-2 : 1995 5.4.5 Page 4, line 5 - Line 5.1 : Technical specification See EN 2500-1. - Line 5.2; Dimensional standards See EN 2500-1. 5.4.6 Page 4, line 6 - Line 6.1 : Delivery condition and heat treatment See EN 2500-1, using the temper designations given in EN 3350 for wrought products. Se
28、e example 4 of this standard. - Line 6.2 : Delivery condition code See EN 2500-1. See example 4 of this standard. 5.4.7 See EN 2500-1, using the temper designations given in EN 3350 for wrought products, and 5.1.1 of this standard. Page 4, line 7 : Use condition and heat treatment 5.4.8 See EN 2500-
29、1 and example 4 of this standard. Page 4, line 8 : Sample, Test piece, Heat treatment 5.4.9 Page 4, line 9 : Dimensions concerned See EN 2500-1 and example 4 of this standard. 5.4.10 Indicate the thickness of cladding on each face as a percentage of the total semi-finished product thickness. See exa
30、mple 4 of this standard. :Iw Page 4, line 10 : Thickness of cladding on each face 5.4.1 1 See EN 2500-1 and example 4 of this standard. Additional test directions e.g. f 45 in L-LT plane may be specified, if applicable. Page 4, line 11 : Direction of test piece 5.4.12 See EN 2500-1 and example 4 of
31、this standard, except that line 16 is not normally used. Page 4, lines 12 to 16 : Tensile (TI 5.4.13 See EN 2500-1 and example 4 of this standard, noting that only mandatory values shall be shown. Use line 82 for batch uniformity. Page 4, line 17 : Hardness 5.4.14 See EN 2500-1 and example 4 of this
32、 standard. Page 4, line 18 : Shear strength 5.4.15 See EN 2500-1. Page 4, line 19 : Bending 5.4.16 Page 4. line 20 : Impact strength Not normally used for aluminium. See EN 2500-1. ! AECMA PREN*2500-2 95 LOL23bl 0009333 b3T Page 7 prEN 2500-2 : 1995 5.4.17 Page 4, lines 21 to 26 : Creep (Cl See EN 2
33、500-1. 5.4.18 See EN 2500-1. Page 4, line 27 : Notes (see line 981 5.5 Page 5 5.5.1 Page 5, line 28 See EN 2500-1. 5.5.2 Page 5, line 29 : Reference heat treatment See EN 2500-1 and example 5 of this standard. 5.5.3 Page 5, lines 30 to 96 The relevant lines shall be completed in accordance with EN 2
34、500-1 and the following requirements, see example 5 of this standard: - Line 32 : Electrical conductivity See EN 2500-1, noting that only mandatory values shall be shown. Use line 82 for batch uniformity. - Line 39 : Stress corrosion This line may be used : - either when testing is mandatory, - or i
35、n case of dispute on the results of the test specified on line 32. - Line 40 : Fracture toughness This line may be used : - either when testing is mandatory, - or in case of dispute on the results of the test specified on line 47. - Line 47 : Notch yield ratio This line may be used as a substitute t
36、est for line 40. - Line 72 : Cladding chemical composition - See 5.4.2. - Line 82 : Batch uniformity - Electrical conductivitv - if line 32 is opened, only reference to the technical specification is required, - if line 32 is not opened, give a typical value for electrical conductivity. - Hardness -
37、 give a typical value and maximum permitted variation per product, per batch, if appropriate to the product form. AECMA PREN*2500-2 95 D IIOIIIIII 0009334 576 Page 8 prEN 2500-2 : 1995 I 5.5.4 Page 5, ligne 97 : Designation See EN.2500-1 and example 5 of this standard. 5.5.5 See EN 2500-1 and exampl
38、e 5 of this standard. Page 5. line 98 : Notes #, 5.5.6 Page 5, line 99 : Typical use See EN 2500-1 and example 5 of this standard. 5.6 Page 6, line 100 : Qualification See EN 2500-1 and example 6 of this standard. AECMA PREN*2500-2 95 m LOL23LL 0007335 402 m Page 9 prEN 2500-2 : 1995 Example 1 Compl
39、etion of title Aerospace series Aluminium alloy AL-P2024- T6 or T62 Clad sheet and strip 0,4 rnm la I 6 mm Srie arospatiale Alliage daluminium AL-P2024- T6 ou T62 Tales et bandes plaques 0,4 mm 5 a I6 mm Luft- und Raumfahrt Aluminiumlegierung AL-P2024- T6 oder T62 Bleche und Bnder, plattiert 0,4 mrn
40、 I a I6 mm AECMA PREN*2500-2 75 m 1012311 O007336 347 Page 10 prEN 2500-2 : 1995 Example 2 Completion of page 3 O Introduction For the use cuf this standard, see EN 2500-2. 1 Scope This standard specifies the requirements relating to clad sheet and strip, in aluminium alloy AL-P2024-, for use in the
41、 T6 or T62 condition, 0,4 mm I a 5 6 mm, for aerospace applications. 2 Norma tive referen ces This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are list
42、ed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 2070-2 Aerospace series -
43、 Aluminium and aluminium alloy wrought products - Technical specification - Part 2 : Sheet, strip, formed profiles and plate EN 2500-2 Aerospace series - Instructions for the drafting and use of metallic material standards - Part 2 : Specific requirements for aluminium, aluminium alloys and magnesiu
44、m alloys ) Example 3 Completion of page 3 O Introduction For the use of this standard, see EN 2500-2. 1 Scope This standard specifies the requirements relating to extruded sections, in aluminium alloy AL-P7075-, for use in the T73511 condition, 2 mm I a I 7 mm, for aerospace applications. This stand
45、ard may also be used to supply material in the T73510 condition, if the purchaser specifies this condition on the order. In this case, the designation of the line 97 shall not be used. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publ
46、ications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply io this European Standard only when incorporated in it by amendment or revisi
47、on. For undated references the latest edition of the publication referred to applies. EN 2070-3 Aerospace series - Aluminium and aluminium alloy wrought products - Technical specification - Part 3 : Bar and section EN 2500-2 Aerospace series - Instructions for the drafting and use of metallic materi
48、al standards - Part 2 : Specific requirements for aluminium, aluminium alloys and magnesium alloys ) 1) Published as AECMA Prestandard at the date of publication of this standard. - 8 Si - 0.5 Fe Cu Mn Mg Cr Zn Ti Others AI Each Total - - - - Base - 3.8 0.30 1.2 - 0,5 4.9 0.9 1.8 0.10 0.25 0.15 0.05
49、 0.15 Sample Test piece Heat treatment - - Use condition : T6 or T62 Page 11 prEN 2500-2 : 1995 Example 4 Completion of page 4 Material designation Aluminium alloy AL-P2024- Element Chemical I YO Method of melting Form Method of production Limit dimensions imm Sheet and strip Rolled 0,4 I a I 6 5.1 Technical specification EN 2070-2 EN 2071, EN 2599 5.2 Dimensional standards - 6 6.1 Delivery condition and heat treatment O T6 460 oc 5 e y 2 22 MSlm Acceptable if Rp0,2 S Rp0,2 min. LT + 85 MPa See EN 2070-2 33 1 Flatte
