1、- STD-AECMA PREN 4207-ENGL 1999 L0123L1 00172b3 50T AECMA STANDARD prEN 4207 NORME AECMA Edition P I AECMA NORM November 1999 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 8110 - Fax. (+32) 2 775 81 11 ICs: Descriptors: ENGL
2、ISH VERSION Aerospace series Aluminium alloy AL-P8090- T89 Extruded bar and section a or D I i5 mm with peripheral coarse grain control Srie arospatiale Alliage daluminium AL-P8090- T89 Barres et profils fils a ou D IS mm avec contrle de la zone priphrique gros grains Luft- und Raumfahrt Aluminiumle
3、gierung AL-P8090- T89 Stranggeprete Stangen und Profile aoder DI 15 mm mit Kontrolle der Grobkornrandzone This “Aerospace Series“ Prestandad has been drawn up under the responsibility of AECMA (The European Association of Aerospace Industries). It is published on green paper for the needs of AECMA-M
4、embers. It has been technically approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is aflected, physically or functi
5、onally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for f
6、ormal vote. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX I Comments should be sent within six months after the date of publication to I Edition approved for publication 1999-1 1-30 AECMA Gulledelle 94 6-1 200 BRUX
7、ELLES C5 Chairman Mr Eve controlled stretched I 3 % + 1 % -s controlled stretched I 3 % + 170 “CI 6% 180C I15 h I t s30 h K U Use condition Heat treatment Characteristics T89 T89 Delivery condition Delivery condition + 170 “C I 6% 180 “C I 15 h s t s 30 h 8.1 1 Test sample(s) I See EN 2070-3 8.2 Tes
8、t piece) 8.3 Heat treatment See EN 2070-3 Use condition 9 I Dimensions concerned I mm I Thickness of cladding on each face aorD115 I % - Direction of test piece Temperature e OC 11 12 - L Ambient LI , I 5: 450 17 18 I I I I Hardness - Shear strength I R, IMPa - 15 I I Elongation I A I % I Impact str
9、ength Temperature e OC Time h - - - 16 I I Reductionofarea I Z I % I I Rupturestress Elongation at rupture CR MPa - A% - 20 21 22 - - Notes (see line 98) *) II I - 25 26 27 - - STD-AECMA PREN 4207-ENGL 1999 m 3032332 0037266 239 9 - 1 2 Page 5 prEN 4207: 1999 See EN 2070-3 EN 2720 The “capability cl
10、ause“ applies xternal defects xfoiiation corrosion 3 6 lacrostructure Test at al10 plane or, for round bar, on the surface, after machining to 0,9 D by turning. t=48h lensity - 7 latch uniformity See EN 2070-3 Peripheral coarse grain : level A Marking inspection - 7 - Dimensional inspection _ p I 2,
11、56 kg dm-3 See EN 2070-3 Notes 7 Typical use Electrical conductivity y MSlm 9 (typical value) 11 (typical value) Hardness - 80 (typical value) 130 (typical value) S HB I 16 per product I 20 per product A 2 24 per batch I 30 per batch 7 I Exfoliation corrosion shall not be greater than that of grade
12、EB. II EN 601 8 21 The “capability clause“ applies 51 T39 -I T89 -_ See EN 2070-3 See EN 2070-3 *) Na _ 10 pprn, Ca s 120 pprn STD.AECMA PREN 4207-ENGL 1999 D 1012311 0017267 155 Paae 6 pr 4207: 1999 - 1 oc Product qualification See EN 2043 Qualification programme to be agreed between manufacturer and purchaser.
