ASD-STAN PREN 2386-1998 Aluminium Alloy 7075-T7352 Hand Forgings a Less Than or Equal to 150 mm Aerospace Series (Edition 2)《航空航天系列 铝合金7075-T7352制a≤150mm的手制锻件 第2版》.pdf

1、AECMA STANDARD NORME AECMA AECMA NORM Declassification approved 1998-04-30 prEN 2386 Edition 2 April 1998 The equivalent versions in French and German languages can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau 92138 ISSY - LES - MOULINEAUX CEDEX - FRANCE PUBLISHED BY THE

2、 EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. i+32) 2 775 81 11 ICs : Supersedes edition 1 June 1982 Descriptors : ENGLISH VERSION ALUMINIUM ALLOY 7075-T7352 HAND FORGINGS a I 150 mm AEROSPACE SERIES ALLIAGE DALUMINIUM 7075-T73

3、52 PICES FORGES a I 150 mm LUFT- UND RAUMFAHRT ALUMINIUMLEGIERUNG 7075-T7352 SRIE AROSPATIALE FREIFORMSCHMIEDESTCKE a s 150 mm of AECMA (The an). It will be submitted as a draft European Standard for formal vote. Standardization) I Replace page 1 of the previous edition by thisKge-I Mn - 0,30 Others

4、 Al Mg Cr Ni Zn Ti TitZr each total - - - Semair 2,l 0.18 - 5.1 - 2,9 0,28 -. 6,l 0,20 0.25 0.05 0,15 der L LT ST L LT ST L LT ST L LT ST d 2 W Temperature Proof Stress Strength Elongation ,360 + 440 ,4 - i 345 3 365 345 +, 330 9 420 I 440 i 435 3 415 b3 VJ 33 32 - - - - A.t.C.IL1.A. SI ANUAHU Eleme

5、nt Chemical Composition 1 min. % 1 max. 0.40 0,50 2 1 3 4 5 nethod of melting Hand forgings a c 150 mm EN2082 - orm fiethod of production .mit dimensions 1.1 Acceptance standards I. 2 Dimensional ct andards 17352 :ondi ti on tnd ieat trearrnenr Ielivery Solution treated 465 t 5OC / Quenched in water

6、 / 4 40C / t. 1,5% -6 cold compressed 4 4% t artificially aged 110 f 5OC 6 h 6 t c 24 h or 120 i 5OC/20 h ampling Cut from the hand forgings T7352 mm Q 75 I 75 c a 100 I 100 L a 6 125 I 125 4 a 150 Iimensions :oncerned rhickness of Iirection of sample Il iperatui 3 350 370 33330 i 315 4 340 a 305 3

7、395 32 - 455 1405 e3 - z 425 a1 Reduction of area 135 (for information) Hardness Shear Strength Bending Impact ITempereture I ITirne I MPa) % _ Stress Elongation Ruptura Stress MPaI % Elongation *) 1MPa= lN/mrn 2 i ) rn prep:lr,tion Previous page is blank Notes - - .- I C lectrical con duct iv i t y

8、 Stress corrosion ypkil un I I 5 7 3 4 EN2004-1 2, 2 23 22 c y Rp0,2 min. 3, + 85 MPa except if rmeasured within 15 min of additional solution treatment and quenching shows a loss of at least 3,s %/ai from the initial value. : not acceptable, E N2004-4 2) 7) in preparation ., 3) Minimiin valiie specified in line 13.