1、r C d O O ,o Approved by COMITI! DE NORMALISATION Of A.E.C.M.A. 1976-10-16 A.E.C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM The equivalent versions in French and German languages can be supplied by E.N.A.E., E, rue Moreau-Vauthler 92100 BOULOGNE-EI LLANCOURT;+RANCE. DRAFT pr EN2 120 Edition 1 Au
2、gust 1977 ENGLISH VERSION STEEL FEPAl2 SOFTENED AND COLD DRAWN BARS AND WIRES 026 rnm D 2,5 rnm AEROSPACE SERIES ACIER FE-PAI2 STAHL FE-PA12 TREMPE ET l%2ROUI BARRES ET FILS 025 mm D 2,s mm ABGESCHRECKT UND KALTVERFESTIGT STANGEN UNO DRAHTE 0.25 mm Q D Q 2,6 mrn S RI E AEROSPATI A LE LUFT - UND RAUM
3、FAHRT - REIHE The text of this standard, which exists in three equivalent versions (English, French, German) has been drawn up under the responsability of AECMA IAssociation Europenne des Constructeurs de Matriel Arospatial) and has been circulated to Official Services, Any reservations expressed by
4、 Official Services and not resolved in this issue, have been incorporated in the history sheet which has accompanied this prEN to CEN. It is published on yellow paper as a draft European Standard intended to receive, under the same presentation and according to its own rules, the approval of CEN (Eu
5、ropean Committee for Standardization). -_- _ ._ I I - L COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesprEN2120 Page 3 -. DRAFT EUROPEAN STANDARD - AEROSPACE SERIES STEEL FE-PA12 Softened and cold drawn C *- I Element Chemical 17.0 - c
6、 8,0 - 11 ,o _- -*-e- 0,043 - L- I 0,QX 20.6 1 2 I 31 I 5.1 6 wethod of melting Air melted Form Method of productlon Limit dimensions Bars and wires 0,25 mm D G 2,s mm kcaptarm Standards - Softened and cold drawn Condltion I Rnd Heet treatment SUPt . : Delivery condition Reference 1 Test piece Heat
7、treatment Sampllng Dimensions concerned Thickness of cladding on each face Direction of sample ee li e 2 Softened and cold drawn page 9, 1 I I D = 16 mm bar wire bar wire .- - ITemperatun I Room temperakure I -I w IHBI - ShearStrength I R, MPa.1 t - strws Oa Elongation a - *) 1 MPa = 1 Nimm ,. Nom 1
8、) in prepayation, _- 2) optional- test, I -. . -_- -e -_- I -. -I-ui.- . AECMA PREN2120 77 a 1022311 0002191 T - COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesprEN2120 Page 4 c Ba I - -I_ -AECMA PREN2120 77 W IOI23Il 0002392 I I- F 11
9、 1 Condit ion and Heat treatment of reference Reverse bend test on wires Dealgnation . 2 r=0,5D : na9 1 3) Welding not followed by a suitable heat treatment can result in intercrystalline corrosion. 4 Corrosion resisti n3 steel of restrictbd weldability3 Locking wire, cottev and split pins, - -* %. COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling Services
