1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 30 September 2004 prEN 2072 Edition P 1 September 2004 Comments should be sent within six months after the date of publication to Metallic Material Domain AECMA-STAN ICs: Will supersede EN 2072:1993 Descriptors: ENGLISH VERSION A
2、erospace series Aluminium AL-PI 050A HI4 Sheet and strip 0,4 mm a 6 mm Srie arospatiale Aluminium AL-P1050A HI4 Tles et bandes 0,4 mm I a I 6 mm Luft- und Raumfahrt Aluminium AL-P1050A HI4 Bleche und Bnder 0,4 mm I a I 6 mm This “Aerospace Series“ Prestandard has been drawn up under the responsibili
3、fy of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published 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 publication of this Prestandar
4、d, 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 European Standard (prEN) to
5、 CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the
6、EN. I I Copytight 2004 O by AECMA-STAN Page 2 prEN 2072:2004 Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANS Metallic Material Domain. After inquiries and votes carried out in accordance with the rules of AECMA-STAN defined in AECMA- STANS General Process Manua
7、l, this standard has received approval for Publication. Page 3 prEN 2072:2004 O I nt rod u cti o n This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this series is described in EN 4258. This standard has been prepared in acc
8、ordance with EN 4500-2. 1 Scope This standard specifies the requirements relating to: Aluminium AL-PI 050A HI4 Sheet and strip 0,4 mm a 6 mm for aerospace application. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These
9、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 European Standard only when incorporated in it by amendment or revision. For undated
10、references the latest edition of the publication referred to applies (including amendments). EN 4258, Aerospace series - Metallic materials - General organization of standardization - Links between types of EN standards and their use EN 4400-2, Aerospace series - Aluminium and aluminium alloy wrough
11、t 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, aluminium alloys and magnesium alloys 1) 1) Published as AECMA Prestandard at the dat
12、e of publication of this standard Page 4 prEN 2072:2004 si - 0,25 Others Each Total Fe Cu Mn Mg Zn Ti AI - - - - - - 99,50 - - 0,40 0,05 0,05 0,05 0,07 0,05 0,03 - - Limit dimension(s) mm Technical specification 0,4 a 6 EN 4400-2 Heat treatment Dimensions concerned mm each face Thickness of cladding
13、 on % Use condition. 0,4 a 6 - Hardness Shear strength R, MPa Bending k- - - - - Elongation Rupture stress a% - oR MPa - Elongation at rupture A % - Aluminium AL-PI 050A I Material designation Chemical composition % Element min. I - Method of melting I - -orm I Sheet and strip Method of production R
14、olled I HI4 I 6.1 I Delivery condition I - I I Heat treatment I U I 6.2 I Delivery condition code I HI4 I 7 I Use condition I - I I Heat treatment Characteristics - 3.1 3.2 3.3 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 - - - - - - - - - - - - - - - - - - - - - - Test sample(s) I See EN
15、 4400-2 Test piece(s) I See EN 4400-2 LT I Direction of test piece Temperature I 0 I “C I Ambient Proof stress I I MPa I 2 80 Elongation I A I % I Aso mm 2 5 Reduction of area Z % - Impact strength I I Time Ihl - Notes (see line 98) I ixternal defects Marking inspection Iirnensional inspection Votes rypical use Page 5 prEN 2072:2004 See EN 4400-2. 100 Page 6 prEN 2072:2004 - Product qualification
