1、- AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 2001 -1 0-31 prEN 2728 Edition P 2 October 2001 Comments should be sent within six months afler the date of publication to Gulledelle 94 AECMA-STAN 8-1200 BRUXELLES PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES
2、- STANDARDIZATION (AECMA-STAN) Gulledelle 94 - 6-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 1 I ICs: Supersedes edition P 1 April 1986 Descriptors: ENGLISH VERSION Aerospace series Aluminium alloy AL-C42101 T6 Sand casting a520mm Srie arospatiale Alliage daluminium AL-C42101 T6 Pi
3、ce moule en sable a120mm Luft- und Raumfahrt Aluminiumlegierung AL-C42101 T6 Sandgustck a520mm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published on green paper for the nee
4、ds 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 interchangeability is affected, physically or func
5、tionally, 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. Nota - Extra copies can be supplied by B.N.A.E. - Technopol
6、is 54 - 199. rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX I I Material Domain Mr Evetts I I 0 aecma 20C Page 2 prEN 2728: 2001 Blank page Page 3 EN 2728: 2001 O introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general o
7、rganization 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-C42101 T6 Sand casting aI20mm for aerospace application. 2 Normative references This European Standard in
8、corporates 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 listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this Eu
9、ropean Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 2076-3 Aerospace series - Aluminium and magnesium alloy ingots and castings - Technical specification - Part 3: Pre-production and production ca
10、stings EN 4258 Aerospace series - Metallic materials - General organization of standardization - Links between types of EN standards and their use EN 4500-2 Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 2: Specific rules for aluminium, alumi
11、nium alloys and magnesium alloys 1) I) Published as AECMA Prestandard at the date of publication of this standard 3 4.1 4.2 4.3 5 - 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 - - - - - - - - - - - - - - - - - - - - - - - Method of melting Form Sand casting Method of producti
12、on Sand casting Limit dimension(s) mm a 5 20 Technical specification EN 2076-3 Delivery condition Heat treatment T6 525 “CS 05 550 OC16 h 5 t 224 h / WQ 0570C + 150 “C 201 200 “C I6 h It I 12 h / AC Delivery condition code Use condition Heat treatment U T6 Delivery condition Characteristics Test pie
13、ce(s) deat treatment rest sample(s) See EN 2076-3 See EN 2076-3 See EN 2076-3 Use condition Use condition Use condition I Thickness of cladding on % each face Dimensionsconcerned I mm 1 See EN 2076-3 I a520 a 5 20 I - - - “C MPa - - - Ambient Ambient Ambient 2 200 2185 2200 I Proof stress I RD0.2 Te
14、mperature T 1 Strength I Rm 0 I Elongation I A Reduction of area Z Shear strength R, MPa Bending k- Impact strength MPa I 2 260 I 2230 I 2265 - - - %I 2 3,O I 22,5 I 2 4,O Temperature 0 “C - Time Stress cra Elongation I a I % I - h - MPa - Rupture stress I GR I MPa I - Elongation at rupture A % - ab
15、c Notes (see line 98) I Page 5 prEN 2728: 2001 - Y See EN 2076-3 iz I HB Y r 80 (typical value) 6 s 20 (per product) A 5 30 (per batch) ixternal defects iternal defects latch uniformity Marking inspection - Dimensional inspection Notes Typical use See EN 2076-3 See EN 2076-3 Hardness -I See EN 2076-
16、3 I See EN 2076-3 a Corresponds to IS0 AISi7Mg0,3 and is similar to the ALUMINIUM-ASSOCIATIOh registered alloy A356.0. Unless otherwise advised by the purchaser, the manufacturer may, at his discretion, alternatively use a polymer quench at 5 30 “C. The tensile properties stated may not be consistently achievable in all parts of all castings. Any differing requirements stated on the drawing shall take precedence over those of this material standard. Page 6 prEN 2728: 2001 roduct qualification haiification programme to be agreed between manufacturer and purchaser. e e e
