1、A.E.C.M.A. STNDARD prEN2388 Edition 1 NORME A.E.G.M.A. A. E.C.M.A. NORM September 1981 ENGLISH VERSION ALUMINIUM ALLOY 2024-T351 TUBES FOR STRUCTURES 0,6 mm a 12,5 mm AEROSPACE SERIES ALLIAGE DALUMINIUM 2024-T351 LUFT-UND RAUMFAHRT TUBES POUR STRUCTURES 0,6 mm a 12,5 mm ALUM1 NI UM-LEG I E RUNG 2024
2、-T351 SERIE AEROSPATIALE KONSTRUKTIONSROHRE 0,6 mm a 12,5 mm This industrial standard for the aerospace sector has been drawn up under fhe responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It. is published on yellu w paper in three equivalent versions (English,
3、 French, German). It will be submitted to CEN (European Committee for Standardization) as a draft European Standard. f h n The equivalent versions in French and German languages 92100 BOULOGNE-BILLANCOURT - FRANCE. Approved by COMITE DE NORMALISATION be supplied by B.N.A.E., 8, rue Moreau-Vauthier O
4、f A.E.C.M.A. 1980-11-21 AECMA PREN2388 81 LOL23LL 0003087 9 , -I A.E.C.M.A. STANDARD prEN2388 Page 3 ALUMINIUM ALLOY 2024-T351 Tubes for structures 0,6 mm 6 a 12,5 mm Element Chemical Composi tion min. max. % I 1 der 0,50 4,9 o,g i,8 o,io 0,25 o,i5 0,20 o,o5 aJi5 2 3 1 4 Aethod of melting I :orm net
5、hod of production .mit dimensions Drawn tubes Wall thickness: 0,6 mm s a s 12,5 mm EW207ampling limensions :oncerned . I a I mm 0,6 d a s 1,2 I 1,2 4 a Q 6 I 64a&12,5 rhickness of :ladding on each face Xrection of sample L L L Room temp er atur e b 290 I r/ 290 I 3 290 MPa*) % % iardness Shear Stren
6、gth MPa) k K - 3ending mpact J e h MPa*) a % Rupture Eiongatlon et rupture MPa*) % *) 1MPa=1N/mm2 1) in preparation. 2), 31, see line 98. Notes prEN2388 Page 4 .* AECMA PREN2388 81 W LOL23LL 0003088 O M 1 Flattening test Residual 6 tress test Uotso rypical um 2 3 I 4 EN2002-10 4) Z 4 2 a (if required by order) EN2004-6 ) 1) in preparation. 2) Full section. 3) cut-out section.
