1、AECMA PREN2678 8 U LOL23LL 0003981 O M A.E.C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM prEN 2698 Edition 1 March 1988 EDITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL 88, boulevard Malesherbes, 75008 PARIS -TEL. 45-63-82-85 UDC: Key words : ENGLISH VERSION Aerospace s
2、eries Aluminium alloy (7075) Solution treated, water quench, controlled stretched and artificially aged (T651 O) Extruded bar and section 1,2(aorD)lO0mm Srie arospatiale Luft- und Raumfahrt Alliage daluminium (7075) Aluminiumlegierung (7075) Mis en solution, trempe leau, traction contrle et revenu (
3、T651 O) Barres et profils fils 1,2 490 - 510 - 505 kiPa *) kPa *) % - 545 - 560 - 560 - 7 - 7 - 7 1) * 49s - 560 7 - viethod of melting =arm Bar and section Vlethod of production -mit dimensions 5.1 Technical specif cation 5.2 Dimensional standard EN 2047 to EN 2050, EN 2134 and EN 2341 Extruded 1,2
4、 5 (a or D) 5 100 m EN 2070-1 and EN 2070-3 5.3 Dimensional standard coda I 5.1 Condition and T6510 Solution treated 465 5 5C /iJQ 0 5 40aC + artificially aged 135 + 5C / 12 t 16 h or 120 7 5C / 20 7 t 30 h +1,5 5 controlled stretched 5 3Z,straightening not allowed after controlled stretchin heat tr
5、eatment delivery 5.2 Delivery condition code U :ondition ind ieat treatment J sa T65 10 Delivery condition rest piece I ieat treatment ;am pi i ng I T6510 rhlckners of :adding on each face 3irection of sample I L Temperature Proof Stress W Strength A E iongation Reduction o area Hardness Shear Stren
6、gth Bending impsct - a w W U O - Ni O Temperature Time Stresa Eiongatlon a Rupture Stress Elongation at rupture es see line 98 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted witho
7、ut license from IHS-,-,-Electrical conductivity 1 Designation Notes Typical use . AECMA PREN2678 AA m 1012311 000378Li b m prCN 2693 Page 4 2 EN 2004-1 2, 18 5 8 i 21 : acceptable i) Aso mm for a 5 10 mm 2) In preparation. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
