1、STDmAECMA PREN 2821-ENGL 2000 9 LOL23LL 0018284 121 W aecma 20i - AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 2000-05-31 prEN 2821 Edition P 3 May 2000 Comments should be sent within six months after the date of publication to AECMA Gulledeiie 94 8-1200 BRUXELLES PUBLISHED
2、 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 Supersedes edition P 2 December 1997 ICs: Descriptors: ENGLISH VERSION Aerospace series Steel FE-PMI802 (XSCrNiCul5-5) Consumable electrode remelted Solutio
3、n treated and precipitation treated Bar for machining a or DI 200 mm Rm 1 I 310 MPa Srie arospatiale Luft- und Raumfahrt Acier FE-PMI802 (XSCrNiGul5-5) Refondu llectrode consommable Mis en solution et vieilli Barres pour usinage aou D5200mm R, 2 I 310 MPa Stahl FE-PMI802 (X5CrNiCu15-5) Mit selbstver
4、zehrender Elektrode umgeschmolzen Lsungsgeglht und ausgelagert Stangen zur spanenden Bearbeitung a oder D I 200 mm Rm 2 1 310 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
5、 for the needs of AECMA- Members. It has been technically 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 affe
6、cted, physically or functionally, without re-identification 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 wi/ be submitted as a draff European Standard to CEN (European Commitfee f
7、or 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 I I C5 Chairman Mr Evetts STD.AECMA PREN 2821-ENGL ZOO0 M LOL23LL 0038285 Ob! Page 3 prEN 2821 : 2000 O Introduction This standard
8、is part of the series of EN metallic 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-PM1802 (X5CrNiCul5
9、-5) Consumable electrode remelted Solution treated and precipitation treated Bar for machining aorD1200mm Rm 2 1 310 MPa for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references
10、 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 amendment or revision. For undated references the lates
11、t edition of the publication referred to applies. EN 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 sectio
12、n 1) EN 4258 Aerospace series - Metallic materials - 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 the dra
13、fting and presentation of material standards - Part 5: Specific rules for steel 1) 1) Published as AECMA Prestandard at the date of publication of this standard Previous page is blank 1 Material designation 2 Chemical Element composition min. % ma. KI Methodofltinci Steel FE-PMI 802 (X5CrNiCul5-5) C
14、 Si Mn P S Cr Mo Ni Cu Nb+Ta Fe - - - - - 14,O - 33 2,5 5 x C Base 0,07 1,OO 1,OO 0,030 0,015 153 0,50 5,5 43 0,45 I Consumable electrode remelted I 4.1 4.2 Form Bar Method of production - 14.3 I Limit dimension(s) mm a or D r 200 5 Technical specification EN 4235-3 I IL I I I 6.1 6.2 7 Delivery con
15、dition Solution treated Solution treated and precipitation treated Heat treatment 1D25CsBsl 055“CIt3DminIACorOQ 1025“Css1055“CIt30miniACorOQ + COOI to es 30 oc + COOI to es 30 OC + 465 “C s 8; 495 CI t z I h /AC Delivery condition code W U Use condition Solution treated and precipitation treated Del
16、ivery condition Characteristics Heat treatment 18.1 I Test sample(s) I See EN 4235-3 Delivery condition - + 465 “C e 495 “CI t 1 1 h /AC 8.2 8.3 9 Il Proof stress Test piece(c) See EN 4235-3 Heat treatment Solution treated Use condition Dimensions concerned mm aors200 a or Dr 75 75 a or DI 200 each
17、face Thickness of cladding on yo - - - Direction of test piece - L L T Elongation “C - MPa - MPa - % - I Reduction of area I 2 Ambient Ambient Ambient 21 170 21 170 21 170 21 310 21 310 21 310 29 27 25 17 18 2 35 Hardness 363 HB 388 HB 444 388 5 HB 444 Shear strength Rc MPa - 19 20 Bending k- - Impa
18、ct strength - stress 24 Elongation a 25 I I Rupture stress I sR I A 27 I Notes (see line 98) h - MPa - % - STD=AECMA PREN 2821-ENGL 2000 U L0123L1 001B287 930 ! Page 5 prEN 2821 : 2000 One per cast Corresponding to ingot top Microstructure 1 7 Grain size _ Visual See EN 4235-3 Category 4 External de
19、fects - 7 Cleanliness/inclusion content (micro-cleanness) See EN 4235-3 Class Condition Severity Macrostructure 3 4 iternal defects Radial segregation A Ring pattern 6 Marking inspection - 6 7 Dimensional inspection See EN 4235-3 a or s IO0 mm may be tested either on the product or at an earlier sta
20、ge of manufacturing. Class 3 Notes Typical use - -I EN 4436 See EN 4235-3 The S ferrite content shall not exceed 2 % See EN 4235-3 G25 -I See EN 4235-3 _ I 1 Freckles I I 2 I White spots I A -I See EN 4235-3 -I - _ STD.AECMA PREN 2821-ENGL 2000 W 101231L OOL8288 877 - Page 6 prEN 2821 : 2000 Product qualification See EN 2043 Qualification programme to be agreed between manufacturer and purchaser.
