1、AECMA PREN3337 88 1iOl123LL 0005q73 2 = A.E.C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM prEN 3337 Issue P 1 October 1988 DIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL 88, boulevard Malesherbes, 75008 PARIS -TL. 45-63-82-85 UDC : Key words : ENGLISH VERSION Aerospace ser
2、ies Aluminium alloy (701 O) Solution treated and artificially aged (T7451 I) Extruded bars and sections (a or D) d 130 mm with peripheral coarse grain control Srie arospatiale Luft- und Raumfahrt Mis en solution Isungsgeglht Alliage daluminium (701 O) et revenu (T74511) Barres et profils fils (a ou
3、D) Aerospace series Designatiur! Gf inetal1 ic semi-fitished products - Rules 1) Aercspace ser-ies - K&thodc dessai - Mtertniriaticx ce la succepti bi f 5 3 1 a corros: OH feui Il etante des pwdui tc corrcys en alliiiyes da1iiininii:m des series fXXX et 7XXX. -C_-. i In prepam-cion Previous page is
4、blank 1 - AECMA PREN3337 88 10123L1 0005q75 b prEN 3337 Page 4 Element !E 0,12 0,15 qqq-? 2,O 0,lO 2,6 0,05 Ti Zr each total Al Ot li er s - 0,lO - 0,06 0,16 0,05 0,15 Rem. Chemlcal Composition max. 1 2 Method of meltlng Form Method of production Llmlt dlmenslons Bar and section Extruded (a or D) 13
5、0 nnn EN 2070-3 6.1 Technlcal speclficetiori 6.2 Dlmenslonal standard EN 2047 I EN 2048 I EN 2049 I EN 2050 I EN 2134 I EN 2341 I 6.3 Dlmenslonal standard code 15 16 17 31 37 I l4 I 6.1 Conditlon and T74511 Solution treated 475 + 5C / WQ 6 435 Proof w Stress J - Strength Elongatlon Reductlon of area
6、 w I- Rm A - - 505 LlPa *I % - 7 Hard ness Shear Strength E end Ins Impact 140 (for information only) - Tompereture Time Stress a Elongatlon Rupture Stress Elongation at rupture IS see Ilne 98 2 1 EN 2004-1 I Clectrical 8 MS/m :onductivi ty Wipheral coarse irain i) itress corrosion -esi stance ixfol
7、 iation :orrocion *esistanCe Designation Notes Typical use EN 2070-3 level A (table 5) The niaterial shall be capable of withstanding a stress of 240 MPa in the short transverse direction for 20 days to EN 2004-4. EN 2720 Exfoliation corrosion of the extrusion inust be less than shown in EN 2720 (AS
8、TM G 34-86, figure 2, picture B) The rules governing the designation of semi-finished products are indicated in standard EN 2600. When the codified designation is used, the identification code shall be as follows : iEN 33371, U irXX ni- I Katerial standard number Letter code (see 6.2) Appropriate dimensional standard code (see 5.3) Dta concerning dimension (see EN 2600) 1) This is a capability requirement
