1、AECMA STANDARD NORME AECMA AECMA NORM prEN 3477 Edition P 2 March 1999 I PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 I CS: ENGLISH VERSION Supersedes edition P1 March 1988 Steel FE-PM3503 (X7
2、CrNiMol5-7-3) Air melted Solution treated and precipitation treated Plate 6 mm ai 15 mm 1 310 MPa i Rm I 1 550 MPa Srie arospatiale Acier FE-PM3503 (X7CrNiMol5-7-3) labor lair Mis en solution vieilli Plaques 6 mm a I 15 mm 1 310 MPa 5 Rm 5 1 550 MPa Luft- und Raumfahrt Stahl FE-PM3503 (X7CrNiMol5-7-
3、3) Lufterschmolzen Lsungsgeglht und ausgelagert Platten 6 mm ar 15 mm I 310 MPa I Rm 5 I 550 MPa I This “Aerospace Seres“ Prestandard has been drawn up under the responsibility of AECMA (The European Association of Aerospace Industries). It is published on green paper for the needs of AECMA-Members.
4、 It has 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,
5、 without re-identification of the standard. 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 submitted as a draft European Standard to CEN (European Committee for Standardization) for formal v
6、ote. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX I I Comments should be sent within six months after the date of publication to I Edition approved for publication 1999-03-31 AECMA Gulledelle 94 C5 Chairman Mr Eve
7、its I 6-1 200 BRUXELLES I I aecma 1999 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-,-,-STD.AECMA PREN 3477-ENGL 1799 II 1012311 OULb11b 715 9 Page 3 pr
8、EN 3477: 1999 O Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this series is described in EN 4258. This standard has been prepared in accordance with EN 4500-5. i Scope This standard specifies the requiremen
9、ts relating to: Steel FE-PM3503 (X7CrNiMol5-7-3) Air melted Solution treated and precipitation treated Plate 6 mm a I 15 rnm 1 310 MPa I Rm I 1 550 MPa for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publicat
10、ions. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision.
11、For undated references the latest edition of the publication referred to applies. EN 2043 Aerospace series - Metallic materials - General requirements for semi-finished product qualification (excluding forgings and castings) 1) EN 4235-2 Aerospace series - Steel - Wrought products - Technical specif
12、ication - Part 2: Plate, sheet and strip 1) EN 4258 Aerospace series - Metallic materials - General organization of standardization - Links between types of EN standards and their use EN 4500-5 Aerospace series - Metallic materials - Rules for the drafting and presentation of material standards - Pa
13、rt 5: Specific rules for steel 1) I) Published as AECMA Prestandard at the date of publication of this standard Previous page is blank Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitt
14、ed without license from IHS-,-,-Page 4 prEN 3477: 1999 Element min. max. 1 1 I Material designation Steel FE-PM3503 (X7CrNiMol5-7-3) C si Mn P S Cr Mo Ni AI Fe - - - - - 14.0 2,OO 6,50 0,75 Base 0,09 1,OO 1,OO 0,040 0,020 16,O 3,OO 7,75 1,50 Air melted 2 4.1 4.2 Chemical composition % Form Plate Met
15、hod of production Rolled I 3 I Method of melting 4.3 Limit dimension(s) 5 Technical specification EN 4235-2 I mm I Delivery condition Solution treated 6ac15 Solution treated and precipitation treated 1 015 “C 2 Bc 1 065 “C /30 min 5 t 540 min /AC orOQ 1 015 “C 5 Oc 1 065 OC130 min c t c40 min /AC or
16、 OQ + 740C 2 BC 780 “C/ t 2 90 min /AC 20 “C + Hold at Bi 20 “C It 2 60 min + 550 “C c Bc 580 “C i t 2 90 min /AC Heat treatment Delivery condition + 740 “C c c 780 “CI t 2 90 min /AC B 20 “C + Hold at Bi 20 “CIt 2 60 min + 550 “C c 8s 580 “CI t 2 90 min /AC - Delivery condition code I 3.1 3.2 W Tes
17、t sample(s) See EN 4235-2 Test piece(s) See EN 4235-2 U Thickness of cladding on each face Use condition yo - - Solution treated and precipitation treated 12 13 14 15 16 17 18 - - - - Delivery condition Temperature B “C - Ambient - 21 170 Proof stress Rp0,2 MPa T Strength R, MPa - 1 310 2 Rm 2 1 550
18、 - Elongation A% 25 Reduction of area 2 % - - Hardness 2 255 HV 40 5 HRC 2 47 Shear strength R, MPa - Heat treatment 20 21 22 - Impact strength - Temperature B “C - Time h - Rupture stress 3.3 I Heat treatment I Solution treated I Use condition I oa MPa - a YO - oR MPa - I 6ac15 9 I Dimensions conce
19、rned I mm 1 6ai15 I 26 Elongation at A% rupture - 11 I Direction of test piece I I L I 27 Notes (see line 98) - - 19 I Bending Ikl-l I -II I I l Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networki
20、ng permitted without license from IHS-,-,-External defects Internal defects Marking inspection Dimensional inspection Notes Typical use Page 5 prEN 3477: 1999 See EN 4235-2 Visual See EN 4235-2 Class 2 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under li
21、cense with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-STD-AECMA PREN 3477-ENGL 1999 I L123LL OOLbLLS b24 - Page 6 prEN 3477: 1999 See EN 2043 Product qualification 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-,-,-
