1、1- - A.E.C. M .A. STAN DARD NORME A.E.C.M.A. A,E.C.M.A. NORM prEN2722 Issue P 1 April 7986 EDIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AEROSPATIAL 88, boulevard Malesherbes, 75008 PARIS -TL. 45-63-82-85 ENGLISH VERSION Aerospace series Aluminium alloy ALCI 2-T4 chill castings Srie a
2、rospatiale Alliage daluminium Al-CI 2-14 pices de fonderie moulage en coquille Luft- und Raumfahrt Aluminiumiegierung Al-CI 2-T4 Gustcke Kokillengu This standard is initially published on green paper for the needs of AECMA-Members (Association Europenne des Constructeurs de Matriel Arospatial). It h
3、as been technically approved by the experts of the concerned AECMA Commission folowing comment by the manufacturers of the Member countries. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of the Member countries it will be pu
4、blished in its final version on yellow paper as an AECMA Standard. Nota - Extra copies can be supplied by B.N.A.E. - 8, rue Moreau-Vauthier - 92100 BOULOGNE-BILLANCOURT Edition approved for publication Comments should be sent within six months C5 Chairman after the date of publication decision Mr HI
5、LAIRE - - I_ - I A.E.C.M.A. I 88, Bd. Malesherbes 22 April 1986 75008 PARIS - FRANCE - 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-,-,-AECMA PREN2722 A
6、b sl 10L23LL 0004032 O W prEN2722 Page Al Others I Ni 1 each I total I Si Fe Cu Mn Zn Ti Mg Chem bel Element, Composltlon - - - - .Rem. 42 - 0.05 - 0,15 - . 0,30 Op25 5,O 0910 0.35 0,lO 0925 0105 0905 0,15 I mar. % 3 4 1 biethod of meltlng Form Method of productlon. Limit dlmenilons 6.1 Technical sp
7、ecifications Chill cast EN2076-1 and EN2076-3 6,2 Dlmenilonal itandardi 6.1 Condltlon rnd - T4 Solution treated 525 2 5OC / 12s t 524 h / Water quench Q Q 70% + Naturally aged t 33 d . Heat treatment Dalhrery U 6.2 Code latten Condltion and Heat treatment UW T4 Delivery condition Tat pleca Heat trea
8、tment Smpllng 1) I 14 2) T4 4) T4 3, Wall thickness of & 20 mm 5) mm D Imenslons concerned - % Thlckneu of clsddlng on each face Dlreotlon of sample Room temperature b 200 % 180 7/ 200 3 320 2 270 3 300 3 711) 2 390 3 430 1 - - Strength Rm MPe 1 - a I- Elongatton A % 85 (for information) Hsrdnmi Iml
9、 - Bending ILI- Impsct I time I t I h - Rupture I UR IMPa*: I Stress *I 1 MPa= 1 N/mm2 i), 2), 3), 4), -5) Notes Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license fro
10、m IHS-,-,-prEN27S2 Page 4 AECMA PREN2722 86 LOL23LL OOOliO33 2 m 1 Designation Notes Typical use 1) The values indicated are minima obtained on tensile specimens conforming 2) Separately cast test samples. 3) Test samples taken from any zone. 4) Test samples taken from a designated zone. 5) For greater thicknesses values are to be agreed. t 9.6.5 of EN2076-3. . .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-,-,-
