1、! A. E.C. M .A. STANDARD NORME A.E.C.M.A. A.E,C.M.A. NORM prE N 2742 Issue P 1 April 1986 DIT PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATERIEL AROSPATIAL 88, boulevard Malesherbes, 75008 PARE -TL. 45-63-82-85 ENGLISH VERSION Aerospace series Magnesium alloy Mg-C71 -F sand castings Srie aros
2、patiale pices de fonderie moulage au sable Nage de magnsium Mg- 71 -F Luft- und Raumfahrt Magneciumlegierung Mg471 - Gustcke Sandgu This standard is initially published on green paper for the needs of AECMA-Members (Association Europenne des Constructeurs de Matriel Arospatial). It has been technica
3、lly approved by the experts of the concerned AECMA Commission following 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 published in its
4、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 oublication decision 22 April 1986 A. E:C
5、. M .A. 88, Bd. Malesherbes Mr HILAIRE 1 75008fARIS- 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-,-,-9tners each I totai Elamnt .Si Fe Cil Ni I
6、Chrnkrl hthod of mrltlw OrIll Hnthod of production .Imlt dlmrnslonr Sandcast 5.1 Twhnlerl rpeclflostlon 1.2 Dlrnrnilonal nrrvjird 8.3 Dlmrnslonrl atandard coda 6.1 Comlitlon 8nd EK2C76-: and ES20764 - F If necessary : stabilizing anneal 10 s tz 16 h / 166 b Q d 2OOOC hod tmitmrnt drlkrry II 6.2 Ddhr
7、ew c!nditloncode Condltlon and Hat trutmrrtt Un - F Delivery condition F 3) F 4) F 5) 1 - birnenrbnr rnm concernai . - Wall thicknesss 20 Bm 6)- 96 thlcknnr of clddlng on rmh tic. Dlrcctlon of wmplo -Lzz Strangth Elonmtlon Reductton of wer HUdW Rc IMP. *I Show Strrngth Impact tlmr Strr W U O Elongnl
8、on Ruptura 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 PREN27Li2 86 LO12311 OOOLiOBL 2 1 Osrlgnstton Notes i) Zirconium soluble in dilute hyd
9、rochloric acid 2) The indicated values are obtained on tensile test pieces prepared according to clause 6.5 of EN 2076-3 3) Separately cast test samples 4) Test samples cut from normal area of castings 5) Test samples cut from designated area of castings 6) For greater thicknesses, values according to agreement 7) In preparation 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-,-,-
