1、CEN PRENx3639 94 3404589 0062330 T44 W Edition approved for publication 1994-03-31 AECMA STANDARD NORME AECMA AECMA NORM C5 Chairman Comments should be sent within six months after the date of publication to Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE AECMA
2、 M. Odorico prEN 3639 Edition P1 March 1994 DIT PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATRIEL AEROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1 1 47.36.98.76 UDC : Descriptors : ENGLISH VERSION Aerospace series Heat resisting alloy FE-PA
3、260 1 Softened and cold worked Wire for forged fasteners DI15mm 900 MPa I Rm I1100 MPa Srie arospatiale Luft- und Raumfahrt Alliage rsistant chaud FE-PAZ601 Adouci et croui Fils pour lments de fixation forgs 900 MPa I R, I 1100 MPa Hochwarmfeste Legierung FE-PA260 1 Weichgeglht und kaltverfestigt Dr
4、aht zum Stauchen fr Verbindungselemente 900 MPa I R, I 1100 MPa DI15mm DI15mm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of AECMA-Members. It has
5、 been technically approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, withou
6、t re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPSI and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. CE
7、N PRENw3b39 94 3404589 0062311 980 Page 3 prEN 3639 : 1994 O Introduction For the use of this standard, see EN 2500-3. 1 Scope This standard specifies the requirements relating to wire for forged fasteners, D S 15 mm, softened and cold worked, in heat resisting alloy FE-PA2601, 900 MPa I R, I 1100 M
8、Pa, for aerospace applications. 2 Normative references EN 2500-3 Aerospace series - Instructions for the drafting and use of metallic material standards - Part 3 : Specific requirements for heat resisting alloys 1) EN 3235-5 Aerospace series - Heat resisting alloys - Wrought products - Technical spe
9、cification - Part 5 : Wires 1) 1) Published as AECMA Prestandard at the date of publication of this standard Previous page is blank CEN PREN*3639 94 = 3404589 0062312 817 = 0 Page 4 prEN 3639 : 1994 - 7 Material designation I Heat resisting alloy FE-PA2601 Method of melting Air melted or vacuum indu
10、ction melted and consumable electrode remelted (vacuum or slag) Form Method of production Limit dimensions (mm) Wie for forged fasteners Cold worked DS 15 5.1 Technical specification EN 3236-6 5.2 Dimensional standards - 6.1 Delivery condition and Heat treatment Softened and cold worked 900 OC I t =
11、 1 h I AC or faster + 16 % I cold worked S 26 % at 8 S 870 OC 6.2 Delivery condition code U Use condition Delivery condition and Heat treatment Characteristics Heat treatment Delivery condition See line 29 26 Rupture stress OR MPa 480 1) 2) -. 26 Elongation at A % 24 27 Notes (see line 98) “1 1) 2)
12、rupture CEN PREN*3639 94 3404589 0062333 753 2 Page 5 prEN 3639 : 1994 See EN 3235-6 One per batch Reference heat treatment 3 7 Grain size L and LT 6 or finer - No duplex structure External defects 1 Designat ion Notes Visual inspection Typical use Solution treated and precipitation treated Delivery condition + 980 OC i t = 1 h I OQ or faster + 720OCit = l6hiAC -I See EN 3235-6 “1 PPm 1 ) Proportional round test piece 2) Stress may be increased after 48 h to promote rupture. -I
