1、AECMA PREN2807 Bb 3032333 0004232 2 W A. E. C. M .A. STAN DARD NORME A.E.C.M.A. A.E.C.M.A. NORM prEN2807 Issue P 1 April 1986 DIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL 88, boulevard Malesherbes, 75008 PARIS -TL. 45-63-82-85 ENGLISH VERSION Aerospace series Aluminium allo
2、y 7020-T6 extruded section 1.2 9 a 9 100 mm with coarse peripheral grain control - . - - Srie arospatiale Luft- un Raumfahrt Alliage daluminium 7020-T6 Aluminiumlegierung 7020-T6 profils fils stranggeprepte Profile 12 a 100 mm avec contrle de la zone priphrique gros grains 1,2 a 1 O0 mm mit Kontroll
3、e der Grobkornrandzone This standard is initially published on green paper for the needs of AECMA-Members (Association Europenne des Constructeurs de Matriel Arospatial). It has been technically approved by the experts of the concerned AECMA Commission following comment by the manufacturers of the M
4、ember countries. 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 published in its final version on yellow paper as an AECMA Standard. Nota - Extra copies can be supplied by B.N.A.E. - 8, rue
5、Moreau-Vauthier - 92100 BOULOGNE-BILLANCOURT Edition approved for publication Comments should be sent within six months C5 Chairman after the date of publication decision 22-April 1986 A.E.C.M.A. Mr HILAIRE 88, Bd. Malesherbes - 75008 PARIS - FRANCE AECMA PREN2807 86 1012311 0004213 4 . prEN2807 Pag
6、e 3 Element Chemlcal Composltlon 1 min. Others Si Fe C Mn Mg Cr Ni Zn Ti ,Ti+Zr each 1 Al - - O,05 190 0,lO - 4,O 0,08 0,08 - - - Rem. 0935 0,40 0,20 0950 1,4 .0,35 - 5,O 0,20 0,25 0,05 015 I max. % 1 :arm . nethod of productlon .Imlt dlmenslons Section Extruded 1,2 5 a c 100 mm i.1 T6chn.ical speci
7、fications i,2 Dlmenslonal 8tandards EN2070-1 and EEJ2070-3 EN2047 to EN2050 i.1 Conditlon End T4 T6 ISolution treated 4802 5OC/a $10 mm : AQ or WQ jolution treated480*5C/as10mm : AQorWQ 10400C; a 710mrn: WQ 0S40C+naturallyaged a710mm:WQ 0t40C 5d+.artifiiallyaged1005C/ 4s t$ 12 F naturally aged t 8 5
8、 d I +artificially aged 140+ 5OC/ 24 4 t S 26 Heat treatment Delivery i.2 Codo letteo . K U :ondltlon ind T6 I Delivery condition I 8 -+%* + artificially aged 100 _+ 5OC / 4StS12 h I + artificially aged 140 2 5OC /24s t 526 h I Delivery condition iaat treatment JH1 rest plece -lest treatment Samplin
9、g . T6 1,2 s a S 50 50a+100 . % rhlckneS8 of :laddlng on each face 3lrectlon of sample L . Room temperature 3 275 275 I I-I- =!I 1-1- $ Strength R, MPa 1 1 Elongatlon ITIT Hardness IHI - Shear Strength R, MPa * - Bendlno k- - Impact Temperature 8 Oc Time th strsss U, MPa W - rl u Elongatlon a % - - -A % Elongatlon nt nipture Noto, . - * 1 MPa = 1 N/mm2 prEN2807 Page 4 1 eripheral coarse grain Designation Notes typical use 2 3 EN2070-3- Level A (Tabah 5) This material may be used. far welded fabrications with certain precautions against stress corrosion and/or exfoliation corrosion
