1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 2001-1 0-31 prEN 3125 Edition P 2 October 2001 Comments should be sent within six months afier the date of publication to Gulledelle 94 AECMA-STAN B-1200 BRUXELLES PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - S
2、TANDARDIZATION (AECMA-STAN) Gulledelle 94 - B-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: Supersedes edition P 1 October 1988 Descriptors: ENGLISH VERSION Aerospace series Aluminium alloy AL-C42201 T6 Investment casting aI20mm Srie arospatiale Alliage daluminium AL442201 T6
3、 Pice moule en cire perdue a520mm Luft- und Raumfahrt Aluminiumlegierung AL442201 T6 Feinguctck durch Wachcaucschmelzverfahren a520mm This Yerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It i
4、s 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 interchangea
5、bility 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. Nota - Extra copies c
6、an be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX Material Domain Mr Evetts I I aecma 20( Page 2 prEN 3125: 2001 Blank page Page 3 EN 3125: 2001 O In trod u ct io n I This standard is part of the series of EN metallic material standards fo
7、r aerospace applications. The 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-C42201 T6 Investment casting a120mm for aerospace application. 0 2
8、 Normative references This European Standard incorporates 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 revision
9、s 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 2076-3 Aerospace series - Aluminium and magnesium alloy ingots and castings - Technical specifica
10、tion - Part 3: Pre-production and production castings 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 standard
11、s - Part 2: Specific rules for aluminium, aluminium alloys and magnesium alloys 1) I) Published as AECMA Prestandard at the date of publication of this standard Page 4 prEN 3125: 2001 1 Material designation I I Others I - 0,05 - - - 0,45 - 0,04 Base 0,05 0,70 0,07 0,25 0,03 0,lO 4.1 Form Investment
12、casting Limit dimension(s) mm Technical specification as20 EN 2076-3 Delivery condition T6 Heat treatment e 525 “C L I35 550 “CI 6 h It 524 h I WQ 81 70 “C + 150 C 2 82200 “CI3 h1 t 110 hl AC Delivery condition code Use condition Heat treatment U T6 Delivery condition 1 Cut-up, designated location C
13、ut-up, undesignated location, gated or integral I Separately cast I Iimensionsconcerned 2ach face rhickness of cladding on mm SeeEN2076-3 a290 % 25 23c 23 23 $3c 25c 24 24 Elongation I I Reduction of area I Z I % I - Hardness I Shear strength I Rc I MPa I Bending 14-1 1 Time Ihl - Lurestress I GR IM
14、Pal abc Notes (see line 98) Page 5 prEN 3125: 2001 7 I pr See EN 2076-3 80 (typical value) Hardness HB 6 I 20 (per product) A I; 30 (per batch) e e c - - .xternal defects See EN 2076-3 See EN 2076-3 iternal defects Unless otherwise by the purchaser, the manufacturer may, at his discretion, alternati
15、vel! use a polymer quench at 0 I 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 thi: material standard. latch uniformity Marking inspection Dimensional inspection Notes Typical use See EN 2076-3 See EN 2076-3 Page 6 prEN 3125: 2001 roduct qualification 3ualification programme to be agreed between manufacturer and purchaser.
