1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication prEN 3529 Edition P 2 March 1999 Comments should be sent within six months after the date of publication to C5 Chairman PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - B-1200 BRUXELLES - Tel.
2、 (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: Supersedes edition PI March 1988 Descriptors: ENGLISH VERSION Aerospace series Steel FE-PM2701 (X2NiCoMol 8-8-5) Vacuum induction melted and vacuum arc remelted Solution treated and precipitation treated Forgings aor DI 150 mm I 750 MPa I Rm I 2 O00 M
3、Pa Srie arospatiale Acier FE-PM2701 (X2NiCoMol8-8-5) labor sous vide et refondu par arc sous vide Mis en solution et vieilli Pices forges et pices matrices a ou D I 150 mm 1 750 MPa s Rm 2 2 O00 MPa Luft- und Raumfahrt Stahl FE-PM2701 (X2NiCoMol8-8-5) Vakuuminduktionserschmolzen und mit selbstverzeh
4、render Elektrode im Vakuum umgeschmolzen Lsungsgeglht und ausgelagert Schmiedestcke a oder D 2 150 mm 1 750 MPa I Rm I2 O00 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 f
5、or the needs of AECMA-Members. It has been technically approved by the experts of the concerned Technical Cornmittee 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 affect
6、ed, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Sfandard Checking Centre (NPS) and formal agreemenf of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee fo
7、r Sfandarkafion) for formal vote. 1999-03-31 AECMA Gulledelle 94 I B-1200 BRUXELLES I Mr Evetts aecma 1999 STD-AECMA PREN 3521-ENGL 1777 H 2GL23LL 00LbL52 75b W Page 3 prEN 3529: 1999 O Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The
8、 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-PM2701 (X2NiCoMol8-8-5) Vacuum induction melted and vacuum arc remelted Solution treated and precipitatio
9、n treated Forgings a or D I 150 mm 1 750 MPa I Rm s 2 O00 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 p
10、ublications 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 2 157
11、-3 Aerospace series - Steel forging stock and forgings - Technical specification - Part 3: Preproduction and production forging EN 3530 Aerospace series - Steel FE-PM2701 (X2NiCoMol8-8-5) - Vacuum induction melted and vacuum arc remelted - Annealed - Forging stock - a or D 3 h I AC I Use condition H
12、eat treatment Solution treated Delivery condition Delivery condition - and precipitation treated + 465 “C 5 Bc 495 “CI t z 3 h IAC rest piece(s) Heat treatment rest samples) See EN 2 157-3 Solution treated Use condition I- See EN 2 157-3 Thickness of cladding 3n each face % - - - Dimensions concerne
13、d I mm I a or D 5 150 I aorDs75 I 75 15 J; KV12J; Notch direction T Notch direction L - Stress C Elongation Rupture stress oa MPa - JR MPa - a% - Elongation at rupture A % - Notes (see line 98) - Page 5 prEN 3529: 1999 - Jrain size See EN 21 57-3 External defects 2 - Macrostructure :grain flow) 3atc
14、h uniformity Grain flow on first article See EN 2157-3 Marking inspection Dimensional inspection Notes Typical use 71 Dimension (mm) Grain size number a or Ds 75 I G 2 6 : occasional G 2 4 permitted I I 75 a or D 5 150 I G 2 4 ; occasional G 2 2 permitted -I See EN 21 57-3 -I See EN 2157-3 -I See EN 2 157-3 See EN 21 57-3 -I -I - STD-AECMA PREN 3521-ENGL L799 m LOL23LL OOLbLCS bb5 W Page 6 prEN 3529: 1999 Product qualification Zlualification programme to be agreed between manufacturer and purchaser.
