1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 15 May 2003 prEN 4292 Edition P 1 May 2003 Comments should be sent within six months after the date of publication to AECMA-STAN ICs: Descriptors: ENGLISH VERSION Aerospace series Al um i ni um alloy AL-R39002 Forging stock Srie
2、arospatiale Alliage daluminium AL-R39002 Produits destins la forge Luft- und Raumfahrt Aluminiumlegierung AL-R39002 Schmiedevormaterial This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). I
3、t 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 publication of this Prestandard, the technical content shall not be changed to an extent that interchan
4、geability 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 to CEN (European Committee for Standardization) for formal vote. Metallic Material
5、Domain I I Copyright 2003 O by AECMA-STA1 Page 2 prEN 4292: 2003 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 M
6、anual, this standard has received approval for Publication. Page 3 prEN 4292: 2003 O Introduction 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 acco
7、rdance with EN 4500-2. 1 Scope This standard specifies the requirements relating to: Aluminium alloy AL-R39002 Forging stock for aerospace application. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative referen
8、ces 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 references the la
9、test edition of the publication referred to applies. EN 2043, EN 2070-7, EN 2082-2, EN 4258, EN 4500-2, EN 6018, Aerospace series - Metallic materials - General requirements for semi-finished product qualification (excluding forgings and castings) 1 ) Aerospace series - Aluminium and aluminium alloy
10、 wrought products - Technical specification - Part 7: Wrought forging stock Aerospace series - Aluminium alloy forging stock and forgings - Technical specification - Part 2: Forging stock Aerospace series - Metallic materials - General organization of standardization - Links between types of EN stan
11、dards and their use Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 2: Specific rules for aluminium, aluminium alloys and magnesium alloys 1) Aerospace series - Test methods for metallic materials - Determination of densify according to displa
12、cement method 1) 1) Published as AECMA Prestandard at the date of publication of this standard Page 4 prEN 4292: 2003 Delivery condition code Use condition Heat treatment - 3.1 - 3.2 7 - - - 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 - - - - - - - - - - - - - - - - - - - - -
13、 - U U F F Delivery condition Delivery condition Delivery condition I F I F Test piece(s) Heat treatment Dimensions concerned mm - I - Heat treatment I See EN 2082-2 . See EN 2070-7 . None None See EN 2082-2 . aorDS300 Thickness of cladding on each face Characteristics % - - Test sample(s) I See EN
14、2082-2 . I See EN 2070-7 Hardness Shear strength R, MPa Bending k- - - - - Elongation Rupture stress Direction of test piece I L I L a% - oR MPa - Ambient I Temperature I 0 I “C I Ambient Elongation at rupture Strength I R, I MPal 2 455 I 2 455 A % - Elongation I A I % I 23d I 23d Reductionofarea Z
15、% - - Impact strength I I Temperature I 0 I “C I - I Time Ihl Page 5 prEN 4292: 2003 ixternal defects 2leanlinesslinclusion content :micro-cleanness) nternal defects Iensity 2leanliness of powder 3ack-end defect Marking inspection Iimensional inspection Votes rypical use See EN 2070-7 or EN 2082-2 .
16、 -I -I Stringer-like inclusions are not permitted. See EN 2070-7 or EN 2082-2 . -I II EN 6018 21 The “capability clause“ applies 71 p 2,60 kg/dm3 -I The powder shall be free from particles of debris originating from the mechanical alloying process. -I See EN 2070-7. 51 Extruded forging stock -I See
17、EN 2070-7 or EN 2082-2 -I See EN 2070-7 or EN 2082-2 - I a HIPped - Hot isostatically pressed. Powder metallurgy alloys are not currently included in the scope of EN 2070-7 and EN 2082-2 but the procedures and requirements described therein shall apply where possible. This is a dispersion strengthened powder metallurgy alloy and heat treatment is not required to achieve the mechanical properties stated. The “capability clause“ applies. -I 100 See EN 2043. Qualification programme to be agreed between manufacturer and purchaser. Page 6 prEN 4292: 2003 - Product qualification
