1、STD.AECflA PREN 31b2-ENGL 4999 3032333 0036448 I178 I AECMA STANDARD prEN 3162 NORME AECMA Edition P 1 AECMA NORM September 1999 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - B-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: Descriptors:
2、ENGLISH VERSION Aerospace series Steel FE-PM3801 (X5CrNiCul7-4) Air melted Solution treated and precipitation treated Sheet and strip ai6mm Rm 2 930 MPa Srie arospatiale Acier FE-PM3801 (XSCrNiCul7-4) labore a lair Mis en solution et vieilli Tles et bandes ai6mm Rm L 930 MPa Luft- und Raumfahrt Stah
3、l FE-PM3801 (XfiCrNiCu17-4) Lufterschmolzen Lsungsgeglht und ausgelargert Bleche und Bnder a26mm R, 2 930 MPa This “Aerospace Series“ 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 AE
4、CMA-Members. It has been fechnically 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 f
5、unctional/y, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Ofticia/ Services of the Member countries it will be submitted as a draft European Standard to CEN (European Cornmittee for Standardization)
6、 for formal vote. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX C5 Chairman I Edition approved for publication I Comments should be sent within six months after the date of publication to 1999-09-30 AECMA Gulledell
7、e 94 6-1200 BRUXELLES Mr Eveits I I aecma 1999 STD-AECMA PREN 3Lb2-ENGL L999 LOL23LL 00Lb449 O04 Page 3 prEN 3162: 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. Th
8、is standard has been prepared in accordance with EN 4500-5 I Scope This standard specifies the requirements relating to: Steel FE-PM3801 (XSCrNiCu17-4) Air melted Solution treated and precipitation treated Sheet and strip ai6mm R, 2 930 MPa for aerospace applications. 2 Normative references This Eur
9、opean Standard incorporates by dated or undated 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
10、 apply to this European Standard only when 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 a
11、nd castings) 1) EN 4235-2 Aerospace series - Steel - Wrought products - Technical specification - 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 4436 Aerospace series - S
12、teel - Test methods - Determination of 6 ferrite content 1) EN 4500-5 Aerospace series - Metallic materials - Rules for 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
13、 blank STD-AECMA PREN 3LbZ-ENGL I994 II bOL23LL 00Lb450 B2b II Page 4 prEN 3162: 1999 Material designation Chemical Element - 1 2 - _. 3 4.1 4.2 4.3 5 - _. - - - Steel FE-PM3801 (X5CrNiCul7-4) C Si Mn P S Cr Mo Ni Cu Nb+Ta Fe composition % min. - - - - - 15,O - 3,O 3,O 5 x C Base max. 0,07 1,OO 1,OO
14、 0,040 0,030 17,5 0,50 5,O 5,O 0,45 Method of melting Limit dimension(s) Air melted I mm I Form Method of production a26 Sheet and strip - _ Technical specification 6.1 EN 4235-2 Delivery condition Solution treated Solution treated and precipitation treated Heat treatment 1 025 “C 5 6s 1 055 “C/ t I
15、 1 h /AC or OQ + COOI to ec 30 OC 1 025 “CI 81 1 055 “C/ t I Ih/AC or OQ + cool to 6s 30 “C + 600 “C 2 s 630 “C It 2 4 h /AC 7 I6.21ery condition code Use condition Solution treated and precipitation treated Delivery condition Heat treatment Delivery condition - + 600 “C 5 630 “CI t 2 4 h /AC I W I
16、U 10 Thickness of cladding on % - - each face 18.1 1 Test sample(s) I See EN 4235-2 I Direction of test piece Temperature I e OC 18.2 I Test piece(s) I See EN 4235-2 I - L - Ambient ( 8.31Heattreatment Reduction ofarea Solution treated Z % - - Use condition 18 19 20 as6 I as6 I I 9 I Dimensions conc
17、erned I mm I Shear strength R, MPa - - Bending k- - 2 ; a = 105“ Impact strength - Time h - Stress a, MPa - 1 11 12 13 14 15 16 17 - - - - - - Rupture stress rupture Elongation at oR MPa - A YQ - - I Proof stress IR,0.21 MPa I I 2 725 I Notes (see line 98) I R, 2 930 I TI Strength I Rrll I4 - - - I
18、Elongation I A I % 1 I A50 mm 2 8 I Hardness 2 370 HV 29 ; HRC I 35 280 HV 5 383 - (Temperature I 6 1 C I I CI Elongation lal%l - Page 5 prEN 3162: 1999 - I Microstructure See EN 4235-2 EN 4436 Grain size - - External defects See EN 4235-2 - Cleanlinesslinclusion content (micro-cleanness) uiarking i
19、nspection limensional inspection qotes rypical use 71 The &ferrite content shall not exceed 5% -I See EN 4235-2 71 G24 -I See EN 4235-2 -I See EN 4235-5 71 Category 2 -I See EN 4235-2 -I - Page 6 prEN 3162: 1999 roduct qualification See EN 2043 Qualification programme to be agreed between manufacturer and purchaser
