1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 1998-12-31 prEN 2763 Edition P 3 December 1998 Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 B-1200 BRUXELLES PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA)
2、Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: Supersedes issue P 2 March 1988 Descriptors: ENGLISH VERSION Aerospace series Steel FE-PLI 504 (33CrMoV12) Air melted Hardened and tempered Bar for machining De 5 80 mrn 1 200 MPa 5 Rm 5 1 350 MPa Srie arospatial
3、e Acier FE-PLI 504 (33CrMoVI 2) labor lair Tremp et revenu Barres pour usinage De I 80 mrn I 200 MPa 2 Rm 5 1 350 MPa Luft- und Raumfahrt Stahl FE-PLI504 (33CrMoV12) Lufterschmolzen Gehrtet und angelassen Stangen zur spanenden Bearbeitung De I 80 mrn 1 200 MPa I Rm 2 1 350 MPa This Aerospace Series“
4、 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. It has been technically approved by the experts of the concerned Technical Committee following comment by the Member cou
5、ntries. Subsequent to the publication of this Prestandard, the 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 (NPS) a
6、nd 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. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue JeamJacques Rousseau - 92138 ISSY-LES-MO
7、ULINEAUX CEDEX C5 Chairman Mr Evetts I I aecma 199 COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesSTD*AECMA PREN 27b3-ENGL 1778 1012311 0015353 7b7 Page 3 prEN 2763: 1998 O Introduction This standard is part of the series of EN metalli
8、c 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. 1 Scope This standard specifies the requirements relating to: Steel FE-PLI504 (33CrMoV12) Air melted Hardened and tempered B
9、ar for machining De I 80 mm 1 200 MPa 5 Rm I 1 350 MPa for aerospace applications. 2 Normative references This European 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 publicat
10、ions 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. For undated references the latest edition of the publication referred to applies. EN 2043 Aerospa
11、ce series - Metallic materials - General requirements for semi-finished product qualification (excluding forgings and castings) 1) EN 4050-1 Aerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings - Part 1: General requirements 1) EN
12、4235-3 Aerospace series - 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 4500-5 Aerospace series - Metallic materials - Rule
13、s for the drafting and presentation of material standards - Part 5: Specific requirements for steel 1) 1) Published as AECMA Prestandard at the date of publication of this standard Previous page is blank COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information H
14、andling ServicesSTD-AECMA PREN 27b3-ENGL 1778 W LOL23LL 0015354 bT3 = / Page 4 prEN 2763: 1998 Air melted 4.1 4.2 Form Bar for machining Method of production - 4.3 I Limit dimension(s) I mm I 0, I ao I 5 Technical specification EN 4235-3 Delivery condition Heat treatment Delivery condition code I A
15、I U Softened Hardened and tempered - 910 “C I es 950 “C i AC or OQ + 82 565C I AC Use condition 8.2 8.3 9 Hardened and tempered Test piece(s) SM EN 4235-3 Heat treatment Softened Use condition Dimensions concerned mm a or DI 80 De I ao Delivery condition 10 Thickness of cladding on each face Heat tr
16、eatment % - - Delivery condition 910C1 8950“CIACorOQ + 82 565 “C I AC Temperature e C - Proof stress Rp0,2 MPa - T Strength R, MPa - Characteristics Ambient 2 1 O00 1 200 I R, I 1 350 8.1 I Test sample) I See EN 4235-3 16 17 18 Reductionof area Z % - - Hardness I 248 HB ; I 261 HV 1) 352 s HB I 405
17、; 372 5 HV I 430 1) Shear strength I Rc MPa - - I 11 I Direction of test piece I I L I - il I I I I . 2 10 1 I Bending k- - - Impact strength - KV 2 40 J ; Notch direction T (KV 2: 30 J ; Notch direction T) 2) Temperature I epc - l I h - - a, MPa 24 C Elongation a% - I Elongation at A rupture I 27 I
18、 Notes (see line 98) I I COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesSTDmAECMA PREN 27b3-ENGL 1998 m LOL23L1 00353;5 53T m - 1) HVfor a or Di 5 mm 2) Value in brackets after blank nitriding 490 “C 5 Bi 510 “C / t = 24 h. The “capabi
19、lity clause“ may be applied by agreement between manufacturer and purchaser. Irain size Dimension imm) a or D 5 80 xternal defects Grain size number % of area G$6 2 95 :leanliness/inclusion content nicro-cleanness) - 1 iternal defects See EN 4235-3 Visual Marking inspection 7 - 1 Dimensional inspect
20、ion Category 1 See EN 4235-3 EN 4050-1 Notes Typical use Page 5 prEN 2763: 1998 I G5 I Not acceptable -I See EN 4235-3 - 6-1- Maybe tested either on the product or at an earlier stage of manufacturing 71 Class 2 - -I See EN 4235-3 -I See EN 4235-3 - I Low alloy general purpose steel, suitable for ni
21、triding COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesSTD-AECMA PREN 27b3-ENGL 1998 = 1012315 002535b Li7b Page 6 prEN 2763: i 998 Product qualification - See EN 2043 I Qualification programme to be agreed between manufacturer and purchaser. COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling Services
