1、STD-AECMA PREN 2170-ENGL 1998 LUL23LL U015b72 L5T 1 Replace page 1 of the previous edition by this page AECMA STANDARD NORME AECMA AECMA NORM Declassification approved 1998-1 2-31 prEN 2690 Edition 2 December 1998 The equivalent versions in French and German languages can be supplied by B.N.A.E. - T
2、echnopolis 54 - 199, rue Jean-Jacques Rousseau 921 38 ISSY - LES - MOULINEAUX CEDEX - FRANCE ICs: PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1 200 BRUXELLES - Tel. +32) 2 775 81 10 - Fax. +32) 2 775 81 11 Supersedes edition 1 August 1984 Descriptors: ENGL
3、ISH VERSION Aluminium alloy 7050-T73652 Hand forgings a I125 mm Aerospace series Alliage daluminium 7050-T73652 Pices forges a 6 125 mm Srie arospatiale Luft- und Raumfahrt Aluminium-legierung 7050-T73652 Freiformschmiedestcke a I125 mm This “Aerospace series“ Standard has been drawn up under the re
4、sp European Association of Aerospace Industries). It is published on yellow paper in three equivalen It will be submitted as a draft European Stan for formal vote. of AECMA (The an). Standardization) Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under lice
5、nse with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Ir r - e- _. Aluminium alloy 7050-T73652 Hand forgings a 496 #Pa Jot accepltable Additional ageing at 177% may be given to meet requirements Rp0,2: direction 7 496 MPa Not acceptable Additional ageing a
6、t 177OC may be given to meet requirenents EN2004-4 I ST direction 50% Rp0,2 3, measured in t direction i) In preparation. 2) Minimum values. 3) Value indicated in line 13. 7 i BEST COPY AVAILABLE 6 !. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-
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