1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 31 March 2003 prEN 2696 Edition P 1 March 2003 Comments should be sent within six months after the date of publication to AECMA-STAN ICs: Descriptors: ENGLISH VERSION Will supersede EN 2696:1993 Aerospace series Al um i ni um all
2、oy AL-P7075- T6 or T62 Sheet and strip 0,4 mm a 6 mm Srie arospatiale Alliage daluminium AL-P7075- T6 ou T62 Tles et bandes 0,4 mm i ai 6 mm Luft- und Raumfahrt Aluminiumlegierung AL-P7075- T6 oder T62 Bleche und Bnder 0,4 mm i ai 6 mm This “Aerospace Series“ Prestandard has been drawn up under the
3、responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published on green paper for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the pub
4、lication 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 review by users and formal agreement of AECMA-STAN it will be submitted as a draft E
5、uropean Standard to CEN (European Committee for Standardization) for formal vote. Metallic Material Domain I I Copyright 2003 O by AECMA-STA1 Page 2 prEN 2696: 2003 Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANS Metallic Material Domain. After inquiries and vo
6、tes carried out in accordance with the rules of AECMA-STAN defined in AECMA- STANS General Process Manual, this standard has received approval for Publication. Page 3 prEN 2696: 2003 O Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The
7、general organization of this series is described in EN 4258. This standard has been prepared in accordance with EN 4500-2. 1 Scope This standard specifies the requirements relating to: Aluminium alloy AL-P7075- T6 or T62 Sheet and strip 0,4 mm a 6 mm for aerospace application. 2 Normative references
8、 This European Standard incorporates by dated or undated refere ce provisia s from other publicatic S. 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 pub
9、lications 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 4258, Aerospace series - Metallic materials - General organization of standardization - Links between types of EN stan
10、dards and their use EN 4400-2, Aerospace series - Aluminium and aluminium alloy wrought products - Technical specification - Part 2: Sheet and strip 1) EN 4500-2, Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 2: Specific rules for aluminium,
11、 aluminium alloys and magnesium alloys 1 ) 1) Published as AECMA Prestandard at the date of publication of this standard 1 - 2 Material designation Aluminium alloy AL-P7075- si - 0,40 Others Each Total Fe Cu Mn Mg Cr Zn Ti AI - - 2,l 0,18 5,l - - - 12 0,50 2,O 0,30 2,9 028 6,l 020 0,05 0,15 Base For
12、m Method of production Limit dimension(s) mm Technical specification Sheet and strip Rolled 0,4 a 6 EN 4400-2 Delivery condition code Use condition F A P U T62 T6 Delivery condition: O 0,4 a 6 Use condition: T6 or T62 0,8 a 3,2 3,2 a 6 0,4 a 0,8 Dimensions concerned mm Thickness of cladding on each
13、face % - - - - T Temperature e OC Ambient Ambient Ambient Ambient Proof stress Rp0,2 MPa 145 2 460 2 470 2 475 Strength R, MPa 275 2 525 2 540 2 540 Elongation A% Ammrn 2 10 bmm 2 7 bmm 2 8 A50mm 2 8 Reductionofarea Z % - Hardness Shear strength R, MPa Bending k- - - - v Elongation Rupture stress a%
14、 - OR MPa - Chemical composition % Element I I min. I max. I - Method of melting I Delivery condition IF101 T6 I T6 Heat treatment 460 oc 5 e 485 oc 1 WQ e 40 oc + 115 “C 5 85 135 “C I20 h 5 t 5 30 h 460 oc 5 e 485 oc 1 WQ e 40 oc + 115C 5 85 135C 120 h 5 t 5 30 h Delivery condition +460 “C Os485 “C
15、 I WQ O 40 “C + 115 “C 6% 135 “CI20 h t 30 h Delivery condition Heat treatment Characteristics 3.1 I Test sample(s) I See EN 4400-2. I 3.2 3.3 9 - - I LT I LT I LT I LT I 11 I Direction of test piece 12 13 14 15 16 17 18 19 - - - - - - - I - 20 I Impact strength I I 21 I ITemperature I 0 I “C I - dl
16、 I 22 I ITime Ihl I I I 23 24 25 26 - - - I - I 27 I Notes (see line 98) Page 5 prEN 2696: 2003 Hardness ixternal defects 160 (Typical value) HB 6 20 per product A 30 per batch 3atch uniformity Marking inspection Iimensional inspection Votes rypical use -I See EN 4400-2. -I See EN 4400-2. 51 T6 7 I Electrical conductivity I y I MSlm I 19,0 (Typical value) 100 See EN 4400-2. Qualification programme to be agreed between manufacturer and purchaser. Page 6 prEN 2696: 2003 - Product qualification
