1、STD=AECMA PREN 2L7-ENGL 2000 m 30123Ll O038274 282 M Edition approved for publication 2000-05-31 AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 6-1200 BRUXELLES prEN 2817 Edition P 3 May 2000 PUBLISHED BY THE EUROP
2、EAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 1 i Supersedes edition P 2 December 1997 ICs: Descriptors: ENGLISH VERSION Aerospace series Steel FE-PMI 802 (XSCrNiCul5-5) Consumable electrode remelted Solution treated a
3、nd precipitation treated Bar for machining a or D I 200 mm Rm 2 1 070 MPa Srie arospatiale Luft- und Raumfahrt Acier FE-PMI802 (X5CrNiCul5-5) Refondu llectrode consommable Mis en solution et vieilli Barres pour usinage a ou DI 200 mm Rm 1 I 070 MPa Stahl FE-PMI802 (X5CrNiCui5-5) Mit selbstverzehrend
4、er Elektrode umgeschmolzen Lsungsgeglht und ausgelagert Stangen zur spanenden Bearbeitung a oder D I 200 rnm Rm 2 1 070 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 t
5、he 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 afected, p
6、hysically 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 if will be submitted as a draft European Standard to CEN (ut-opean Commiffee for Sta
7、ndardization) 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 Evettc aecma 2000 STD*AECMA PREN 2817-ENGL 2000 II LOL23LL OOLB275 119 Page 3 prEN 2817: 2000 O Introduction This stand
8、ard 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. I Scope This standard specifies the requirements relating to: Steel FE-PMI802 (XSCrNi
9、Cul5-5) Consumable electrode remelted Solution treated and precipitation treated Bar for machining a or D 5 200 mm Rm L I 070 MPa for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative r
10、eferences 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
11、the latest 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) EN42353 Aerospace series - Steel - Wrought products - Technical specification - Part 3: Bar and
12、 section 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
13、the drafting 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 Page 4 Material designation Chemical I Element prN 281 7: 2000 Steel FE-PMl802 (X5CrNiCul5-5) CI Si I Mn I PI
14、 SI Cr I Mo I Ni I Cu 1 Nb+Ta I Fe composition % min. - - - - - 14,O - 33 2,5 5xC max. 0,07 1,OO 1,OO 0,030 0,015 15,5 0,50 53 4,5 0,45 Base 1 I 3 I Method of melting 1 Consumable electrode remelted I 4.1 4.2 4.3 Form Bar Method of production - Limit dimension(s) mm a or DI 200 5 Technical specifica
15、tion EN 4235-3 I Delivery condition Solution treated 1 Solution treated and precipitation treated Heat treatment 1 025 “C s 8s 1 055 “CI t L 30 min IAC or OQ + COOI to e - 40 2 27 I I Elongation at A % - Notes (see line 98) - rupture ardness 5 363 HB 311 SHB2375 311 rHB1375 311IHB5375 18 19 20 I - -
16、 - Shear strength Rc MPa - Bending k- - - - - Impact strength - KV 2 80 J; KV280J; KV 2 55 J; Notch direction T Notch direction T Notch direction L + KV2 35 J, at- 30 “C ; + KVr 35 J, at- 30 C ; + KV 2 25 J, at- 30C ; Notch direction T Notch direction T Notch direction L STD-AECMA PREN 2BL7-ENGL 200
17、0 W LOL23LL 0036277 T7L Page 5 prEN 2817: 2000 - EN 4436 2 One per cast 3 Corresponding to ingot top icrostructure 7 7 rain size The S ferrite content shall not exceed 2 % See EN 4235-3 Gr5 xternal defects 1 - leanliness/inclusion content nicro-cleanness) lacrostructure Visual See EN 4235-3 iternal
18、defects 7 - Marking inspection Dimensional inspection Notes Category 4 See EN 4235-3 99 Typical use 1 2 Freckles A White spots A - -I See EN 4235-3 4 Ring pattern See EN 4235-3 - See EN 4235-3 71 Class I Condition I Severity I 6 I a oz 5 100 mrn may be tested either on the product or at an earlier stage of manufacturing. 71 Class 3 - See EN 4235-3 -1 Page 6 prEN 2817: 2000 STD.AECMA PREN 2L7-ENGL 2000 LOL23LL OOL8278 428 Product qualification See EN 2043 Qualification programme to be agreed between manufacturer and purchaser.
