1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 31 March 2003 prEN 2088 Edition P 1 March 2003 Comments should be sent within six months after the date of publication to AECMA-STAN ICs: Descriptors: ENGLISH VERSION Supersedes edition 1 October 1980 Aerospace series Aluminium a
2、lloy AL-P2014A T4 or T42 Clad sheet and strip 0,4 mm a 6 mm Srie arospatiale Alliage daluminium AL-P2014A T4 ou T42 Tles et bandes plaques 0,4 mm i ai 6 mm Luft- und Raumfahrt Aluminiumlegierung AL-P2014A T4 oder T42 Bleche und Bnder - Plattiert 0,4 mm i ai 6 mm This “Aerospace Series“ Prestandard h
3、as been drawn up under the 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 comm
4、ents. 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 review by users and formal agreement of AECMA-STAN it wil
5、l be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. Metallic Material Domain I I Copyright 2003 O by AECMA-STA1 Page 2 prEN 2088: 2003 Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANS Metallic Material Dom
6、ain. After inquiries and votes 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 2088: 2003 O Introduction This standard is part of the series of EN metallic material standards for a
7、erospace applications. The general organisation 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-P2014A T4 or T42 Clad sheet and strip 0,4 mm a 6 mm for aerospace app
8、lication. 2 Normative references 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
9、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 4258, Aerospace series - Metallic materials - General organization of standardization
10、- Links between types of EN standards 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
11、2: Specific rules for aluminium, aluminium alloys and magnesium alloys 1 ) 1) Published as AECMA Prestandard at the date of publication of this standard 1 Method of melting I Material designation Aluminium alloy AL-P2014A Form Clad sheet and strip Method of production Rolled Limit dimension(s) mm 0,
12、4 a 6 Technical specification EN 4400-2 Delivery condition code Use condition Heat treatment Delivery condition I F I O I T4 F A U T42 T4 Delivery condition Delivery condition + 500 “C O 510 “C I WQ O 40 “C + O= ambient It 2 5 d Heat treatment Thickness of cladding on each face 500 “C e 510 “C I WQ
13、e 40 “C + O= ambient It 2 5 d 24 22 24 22 % Direction of test piece Temperature e OC Proof stress Rp0,2 MPa Characteristics - - LT LT - - Ambient Ambient - - 2 240 2 245 I See EN 4400-2. 3.1 I Test sample(s) I Shear strength Bending I See EN 4400-2. 3.2 I Test piece(s) I R, MPa - - - k- 1,5: a= 180“
14、 2: a = 180“ - 3.3 I Heat treatment I Delivery condition: T4 I Use condition: T4 or T42 I Impact strength Temperature e OC 17 - - Dimensionsconcerned I mm I 0,4a1,6 I 1,6a6 I 0,4a1,6 I 1,6a6 Stress Elongation C oa MPa - a% - Rupture stress Elongation at ru otu re 2 390 I 2 385 I - I T I Strength I R
15、m I MPal - OR MPa - A % - - I - I I Reductionofarea I Z I % I - - I - I - Hardness I 18 19 20 21 - - - 41 I 22 I ITime Ihl - 41 I 23 24 - dl I I - 27 I Notes (see line 98) I ixternal defects - Iiffusion in the cladding See EN 4400-2. 3adding chemical :omposition % - - 3atch uniformity See EN 4400-2.
16、 See EN 4400-2. Marking inspection Element min. max. Iimensional inspection Votes Others Each Total Si Fe Cu Mn Mg Zn Ti AI - - - 99,50 - - - - - - 0,25 0,40 0,05 0,05 0,05 0,07 0,05 0,03 - - rypical use Element min. max. Others Each Total Si+Fe Cu Mn Mg Zn V Ti AI - - - 99,45 - - - - - - 0,55 0,05
17、0,05 0,05 0,05 0,05 0,03 0,03 - - Material designation Aluminium AL-P1050A Material designation Aluminium AL-P1050A See EN 4400-2. T4 Electrical conductivity I See EN 4400-2. See EN 4400-2. See EN 4400-2. - 100 See EN 4400-2. Qualification programme to be agreed between manufacturer and purchaser. Page 6 prEN 2088: 2003 - Product qualification
