1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication prEN 2684 Edition P I February 1999 C5 Chairman Comments should be sent within six months after the date of Dublication to PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - E1200 BRUXELLES - Te
2、l. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: Descriptors: ENGLISH VERSION Aerospace series Aluminium alloy AL-P7010- T7651 Plate 6 mm 22,5MS/m I Acceptable See EN 4400-1 See EN 4400-1 I y 21,5MSlm I Not acceptable -I See EN 4400-1 61 O = 175 MPa 71 tr20d -I See EN 4400-1 The “capability clause
3、 applies 21 See EN 4400-1 -I 1) Artificial ageing may be carried out using the following alternative single stage method heating to a temperature of 165 “C c Be 175 “C at a rate not exceeding 20 “Clh and soaking at this temperature for 6 h I t c 15 h. 2) Or A4 2 3,5 if required by the purchaser. 3)
4、 Or A40 t 3 if required by the purchaser. -I 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-,-,-STD-AECMA PREN 2b84-ENGL 1999 = 10123& 00159b5 974 m Page
5、6 prEN 2684: 1999 Product qualification See EN 4400-1 Qualification programme to be agreed between manufacturer and purchaser. 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-,-,-
