1、CEN PRENx3519 94 m 3404589 0080963 796 m AECMA STANDARD prEN 3519 NORME AECMA Edition P 2 AECMA NORM November 7994 Comments should be sent within six months after the date of publication to UDC : C5 Chairman EDITE PAR LAssOCIATO EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL Technopolis - 17.5 ru
2、e Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1 I 47.36.98.76 Supersedes issue P 1 March 1988 Descriptors : ENGLISH VERSION Aerospace series Steel FE-PL21 05 Air melted Hardened and tempered Bar for machining De 150 mm 880 MPa I Rm I 1080 MPa Srie arospatiale Acier FE-PL21 05 la
3、bor lair Tremp et revenu Barres pour usinage De I 150 mm 880 MPa 2 R, I 1080 MPa Luft- und Raumfahrt Stahl FE-PL21 05 Lufterschmolten Gehrtet und angelassen Stangen De I 150 mm 880 MPa I R, I 1080 MPa This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (Associatio
4、n Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Technical Committee follo wing comment by the Member countries. Subsequent to the publication of this Prestandard, the
5、 technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NFS) and formal agreement of the Official Services of the Member cou
6、ntries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) 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 Edition approved for pubiication 1994-11-18 AE
7、CMA Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE Mr Odorico 1 aecrna 1994 COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesCEN RREN*3517 74 M 3404589 0080964 622 M Page 3 prEN 3520 : 1994 O Intro
8、duction For the use of this standard, see EN 2500-5. 1 Scope This standard specifies the requirements relating to forging stock a or D I 300 mm softened in steel FE-PL21 O5 for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference provisions
9、 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 incorporated in it by ame
10、ndment or revision. For undated references the latest edition of the publication referred to applies. EN 2003-2 Test methods for steel products - Part 2 : Izod impact test - Aerospace series 1) EN 2157-2 Aerospace series - Steel forging stock and forgings - Technical specification - Part 2 : Forging
11、 stock EN 2500-5 Aerospace series - Instructions for the drafting and use of metallic material standards - Part 5 : Specific requirements for steel 2) Standard - Practice for determining the inclusion content of steel 3, ASTM E45-87 1) Published as AECMA Standard at the date of publication of this s
12、tandard 2) Published as AECMA Prestandard at the date of publication of this standard 3) This standard is published by : American Society for Testing and Materials (ASTM), 1916 Race St., Philadelphia, PA 19 103 Previous page is blank COPYRIGHT Association Europeene Des Constructeurs de Materiel Aero
13、spaceLicensed by Information Handling ServicesCEN PRENu3519 74 W 3404589 0060965 567 W Material designation Page 4 prEN 3520 : 1994 Steel FE-PL2105 Chemical composition Oh C si Mn P S Cr Mo Ni AI Fe Element min. 0,27 0,15 0,45 - - 0,5 0,45 2,30 0,015 Base max. 0,35 0,35 0,70 0,025 0,015 0,80 0,65 2,
14、80 0.050 Method of melting Form Method of production Limit dimensions (mm) 5.1 Technical specification 5.2 Dimensional standards Air melted Bar for machining - a or 0s 300 EN 2157-2 - 6 6.1 Delivery condition and heat treatment 6.2 Delivery condition code 7 Use condition and heat treatment Softened
15、- U Delivery condition - De I40 De I150 De I 150 2 1030 1230 S Rm 5 1420 2 880 2 690 1080 I Rm I 1280 880 S Rm S 1080 363 5 HB 41 5 255 S HB 5 321 311 I HB S 388 Characteristics Reforged o: machined to De size 12,5 form surface Mid radius Mid radius Reference heat treatment : see line 29 I I I I Tes
16、t B 2) Test C 2) Test A - 8 Sample Test piece Heat treatment Dimensions concerned Thickness of cladding on each face Direction of test piece Temperature e “C Ambient M Pa Oh % - - Elongation Reduction of t-z-y Hardness IH Shearstrength I R, IMPa Bending k- Impact strength I Temperature I 0 I Time MP
17、s % - Stress I Rupture stress I OR I MPz I I Elongation at A Oh rupture Notes (see line 98) COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesCEN PREN*3519 94 3404589 0080966 4T5 lorst field rating. No specimen shall contain clusions exce
18、eding the following 2). Thin Heavy External defects The average of all the tests on a given cast shall not execeed the following. Thin Heavy Cleanliness/ Inclusion content c2 f c2 c2 Internal defects Ci 3 Designation D2 Notes D2 D1 i Di 3 Typical use Page 5 prEN 351 9 : 1994 See EN 4235-3 See EN 423
19、5-3 ASTM E45 : 1987 Method D 9cceptance criteria for micro-cleanness of air melted, carbon and low alloys steels A21 I A2 I A2 I Al i 83 82 1 I B2 f 82 Material I 100 mm may be tested either on the product or at an earlier stage of manufacturing Class 2 See EN 2600 1) Izod test as per EN 2003-2. 2) 83 thin may be permitted at a rate of one per sample examined COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling Services
