1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 1999-03-31 prEN 4467 Edition P I March 1999 Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-12
2、00 BRUXELLES - Tel. (c32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: Descriptors: ENGLISH VERSION Aerospace series Steel FE-PMI 505 (XI CrNiMoAITil2-9-2) Vacuum induction melted and consumable electrode remeltec Solution treated and precipitation treated Bar a or Ds 150 mm Rm 2 I 200 MPa Srie arospat
3、iale Acier FE-PMI 505 (XI CrNiMoAITil2-9-2) labor sous vide par induction et refondu llectrode consommable Mis en solution et vieilli Barres aou DI 150 mm Rm 2 1 200 MPa Luft- und Raumfahrt Stahl FE-PMI 505 (XlCrNiMoAITil2-9-2) Vakuuminduktionserschmolzen und mit selbstverzehrender Elektrode umgesch
4、molzen Lsungsgeglht und ausgelagert Stangen a oder D 2 150 mm Rm 2 1 200 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 AECMA-Members. It has been technica
5、lly approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this Prestandar, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identifica
6、tion of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and 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 copi
7、es can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX I B-1200 BRUXELLES I C5 Chairman Mr Evetts aecma 1999 Page 3 prEN 4467: 1999 O Introduction This standard is part of the series of EN metallic material standards for aerospace applicati
8、ons. 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-PMI 505 (XI CrNiMoAITil2-9-2) Vacuum induction melted and consumable electrode remelted Solution
9、treated and precipitation treated Bar a or D 5 150 mm Rm 2 1 200 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
10、 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 amendment or revision. For undated references the latest edition of the publication referred to applies. EN
11、 2043 Aerospace series - Metallic materials - General requirements for semi-finished product qualification (excluding forgings and castings) 1) EN 4235-3 Aerospace series - Steel - Wrought products - Technical specification - Part 3: Bar and section 1) EN 4258 Aerospace series - Metallic materials -
12、 General organization of standardization - Links between types of EN standards and their use EN 4436 Aerospace series - Steel - Test methods - Determination of 6 ferrite content 1) EN 4500-5 Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Pari 5: S
13、pecific rules for steel 1) 1) Published as AECMA Prestandard at the date of publication of this standard +evious page is blank 1 2 i Material designation Chemical Element - 3.1 3.2 3.3 9 10 11 12 13 14 15 16 17 18 19 20 - - - - - - - - - - - - - - Steel FE-PM1 505 (XI CrNiMoAITil2-9-2) C Si Mn P I S
14、ICrIMoINiIAIITiINZ Fe STD-AECMA PREN iLlb7-EFlGL L999 1OL23LL 00LbL98 T50 Page 4 prEN 4467: I999 composition % min. - - - - - 11,50 1,85 8,50 0,60 0,28 - Base max. 0,015 0,lO 0,lO 0,010 0,005 12,50 2,151 9,50 0.80 0,37 0,010 Method of melting Vacuum induction melted and consumable electrode remelted
15、 Limit dimension) I mm I Form Method of production aorDc150 Bar - Technical specification I EN 4235-3 Heat treatment Delivery condition code Delivery condition I 820 “C c 85 860 “C I O, AQ or WQ + cooling to BI 20 “C 820 “C 30J,at-4OaC; Notch direction L I I Elongation at A% rupture Notes (see line
16、98) Impact strength - 1) C Temperature B Time Stress Elongation I Rupture stress “R I MPa - STD-AECMA PREN LiLib7-ENGL 1999 1012311 001bL99 997 Page 5 prEN 4467: 1999 1 2 Microstructure EN 4436 One per cast Grain size 3 7 - External defects Corresponding to ingot top The &-ferrite content shall not
17、exceed 2 % See EN 4235-3 Cleanliness I inclusion content (micro-cleanness) 7 - Macrostructure G26 See EN 4235-3 Internal defects - 7 Marking inspection 3imensional inspection See EN 4235-3 Category 5 Votes 7 Typical use Class Condition Severity 1 Freckles A 2 3 White spots A Radial segregation A - 6
18、 7 11 Visual See EN 4235-3 a or D c 100 mm may be tested either on the product or at an earlier stage of manufacturing. Class 5 - - -I See EN 4235-3 See EN 4235-3 See EN 4235-3 I 4 I Ring pattern I B - I 1) 75 mm 5 a or D c 150 mm may be tested in L or T direction -I - STD-AECMA PREN 44b7-ENGL 1779 6 1OL23LL 00Lb200 q39 II Page 6 prEN 4467: 1999 Product qualification See EN 2043 Ilualification programme to be agreed between manufacturer and purchaser.
