1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 1999-09-30 prEN 2539 Edition P 2 September 1999 Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 C5 Chairman Mr Evetts 8-1200 BRUXELLES ICs: Descriptors: PUBLISHED BY THE EUROPEAN ASS
2、OCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 1 i ENGLISH VERSION Aerospace series Steel FE-PM3801 (X5CrNiCul7-4) Air melted Solution treated and precipitation treated Bar a or DI 200 mm Rm 2 965 MPa Srie arospatiale Acier FE
3、-PM3801 (X5CrNiCul7-4) labor lair Mis en solution et vieilli Barres a ou DI 200 mrn R, 2 965 MPa Superseding edition P I March 1988 Luft- und Raumfahrt Stahl FE-PM3801 (X5CrNiCul7-4) Lufterschmolzen Lsungsgeglht und ausgelagert Stangen a oder D 5 200 mm R, 2 965 MPa This “Aerospace Series Presfandar
4、d has been drawn up under the respo Subsequent to the publication of this extent that interchangeability is affe standard. not be changed to an re-identification OP the ng Centre (NPS) and formal es it will be submitted as a draft European tion) for formal vote. Nota - Extra copies can be supplied b
5、y B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX 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.AECM
6、A PREN 2539-ENGL L999 S 1012311 0016373 230 111 Page 3 prEN 2539: 1999 O I n trod u c ti o n 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 accordanc
7、e with EN 4500-5. 1 Scope This standard specifies the requirements relating to: Steel FE-PM3801 (X5CrNiCu17-4) Air melted Solution treated and precipitation treated Bar a or D 2 200 mm R, 2 965 MPa for aerospace applications. 2 Normative references This European Standard incorporates by dated or und
8、ated reference provisions from other publications. 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
9、incorporated in it by amendment or revision. 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 4235-3 Aerospace series
10、- Steel - Wrought products - Technical specification - Part 3: Bar and section 1) EN 4258 Aerospace series - Metallic materials - General organization of standardization - Links between types of EN standards and their use EN 4436 Aerospace series - Steel - Test methods - Determination of 6 ferrite c
11、ontent 1) EN 4500-5 Aerospace series - Metallic materials - Rules for the drafting and presentation of material standards - Part 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 Con
12、structeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-STD.AECMA PREN 2539-ENGL 2999 SB LOL2322 00Lb394 L77 Page 4 prEN 2539: 1999 1 2 - - 3 Material designation Chemical Element Steel FE-PM3801 (X
13、5CrNiCul7-4) C Si Mn P S Cr Mo Ni I Cu I Nb+Ta I Fe composition % I Bar min. - - - - - 15,O - 3,O 3,O 5x C Base max. 0,07 1,OO 1,OO 0,040 0,030 17,5 0,50 5,O 5,O 0,45 Method of melting 6. I Air melted Delivery condition I Solution treated I Solution treated and precipitation treated 4.2 4.3 5 Heat t
14、reatment Method of production - Limit dimension(s) mm a or D 1200 Technical specification EN 4235-3 1 025 “Ci Bi I 055 “Clt 2 30 min /AC or OQ i COOI to e: 30 OC 1 025 CS 01 1 055 “C/ t $30 min /AC or 00 + cool to Bi 30 “C 7 II I I + 585 “C 1 81 605 “CI t 24 h /AC _ Use condition Solution treated an
15、d precipitation treated Delivery condition Heat treatment Delivery condition - + 585 “C 585 605 “CI t 24 h /AC 16.2 I Delivery condition code I W I U 8.1 8.2 Test sample) See EN 4235-3 Test piece) See EN 4235-3 Characteristics 9 10 Dimensions concerned mm a or Dc 200 aorDs75 75 a or D 1200 each face
16、 Thickness of cladding on % - - - 18.3 I Heat treatment Direction of test piece Temperature e “C Proof stress Rp0,2 MPa Solution treated - L L T - Ambient Ambient Ambient - 2 795 2 795 t 795 Use condition I T Strength Rm MPa Elongation A% Reduction ofarea Z % - 2 965 2 965 $. 965 - 2 12 2 10 $7 2 45
17、 $. 40 2 30 - Hardness Shear strength Rc MPa c; 363 HB 302 1 HB 1 363 302 1 HB 1 363 - 19 Bending k- - 20 Impact strength - 21 Temperature e “C - 22 Time h - - 23 Stress oa MPa - - 24 C Elongation a% - 25 Rupture stress oR MPa - 26 Elongation at A% 27 Notes (see line 98) - - - rupture - Copyright As
18、sociation 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 2537-ENGL L797 lsl LOL23LL OOLb375 003 I Page 5 1 - Microstructure Visual only See EN 4235-3 Externa
19、l defects - - Cleanlinesslinclusion content (micro-cleanness) See EN 4235-3 See EN 4235-3 Internal defects Marking inspection Xmensional inspection Votes rypical use prEN 2539: 1999 See EN 4235-3 EN 4436 71 The &-ferrite content shall not exceed 5% -I See EN 4235-3 Category 2 71 -I See EN 4235-3 6 I
20、 a or D I 1 O0 mm to be tested either on the product or at an earlier stage of manufacturing. 71 Class 2 -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 I
21、HS-,-,-Page 6 prEN 2539: 1999 STD-AECMA PREN 2539-ENGL 1997 1012311 001b39b T4T II Product qualification See EN 2043 Qualification programme to be agreed between manufacturer and purchaser. 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-,-,-
