1、STD-AECMA PREN 3531-ENGL 1999 S LOL231L OCllb15L 5TL .I Edition approved for publication AECMA STANDARD NORME AECMA AECMA NORM C5 Chairman Comments should be sent within six months after the date of publication to prEN 3531 Edition P 2 March 1999 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE IN
2、DUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (132) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: Supersedes edition PI March 1988 Descriptors: ENGLISH VERSION Aerospace series Steel FE-PM2701 (X2NiCoMol8-8-5) Vacuum induction melted and vacuum arc remelted Solution treated and precipitation
3、treated Sheet and strip a16mm I 750 MPa I Rm I 2 O00 MPa Srie arospatiale Acier FE-PM2701 (X2NiCoMo18-8-5) labor sous vide et refondu par arc sous vide Mis en solution et vieilli Tles et bandes ai6mm 1 750 MPa 5 Rm i 2 O00 MPa Luft- und Raumfahrt Stahl FE-PM2701 (X2NiCoMol8-8-5) Vakuuminduktionsersc
4、hmolzen und mit selbstvertehrender Elektrode im Vakuum umgeschmolzen Lsungsgeglht und ausgelagert Bleche und Bnder a56mm I 750 MPa 5 Rm 2 2 O00 MPa This “Aerospace Series” Prestandard has been drawn up under the responsibility of AECMA (The European Association of Aerospace Industries). It is publis
5、hed 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 countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchan
6、geability is affected, 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 will be submitted as a draft European Standard to CEN (Eu
7、ropean Committee for Standardization) for formal vote. 1999-03-31 AECMA Gulledelle 94 I B-1200 BRUXELLES I I Mr Evetts aecma 1999 STD-AECMA PREFJ 3531-ENGL 1999 S 101231L Lb157 Li38 m Page 3 prEN 3531: 1999 O In trod u ction This standard is part of the series of EN metallic material standards for a
8、erospace 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-PM2701 (X2NiCoMol8-8-5) Vacuum induction melted and vacuum arc remelted Solutio
9、n treated and precipitation treated Sheet and strip ar6mm 1 750 MPa I Rm I 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 place
10、s 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 latest edition of the publication referr
11、ed to applies. EN 2043 EN 2951 Aerospace series - Metallic materials - General requirements for semi-finished product qualification (excluding forgings and castings) 1) Aerospace series - Metallic materials - Test method - Micrographic determination of content of non-metallic inclusions 1) EN 4235-2
12、 Aerospace series - Steel - Wrought products - Technical specification - Part 2: Plate, sheet and strip 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 - Rul
13、es for 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 1 1 I Material designation I Steel FE-PM2701 (X2NiCoMol8-8-5) I 2 Chemical composition % Element C si Mn P
14、 S Mo NI AI Co Ti Fe min - - - - 4,6 17,O 0,05 7,O 0,30 Base max 0,03 0,lO OJO 0,010 0,010 5,2 19,O 0,15 8,5 0,60 3 I l Vacuum induction melted and vacuum arc remelted Method of melting 14.1 Form Sheet 5 Rolled Technical specification EN 4235-2 I as6 14.3 1 Limit dimension(s) I mm I Delivery conditi
15、on Heat treatment Delivery condition code Solution treated 790 “C i $i 840 “C I AC W 7 Use condition Heat treatment Delivery condition Solution treated and precipitation treated + 465 “C 2 c495 “CI t 2 3 h /AC - 8.1 8.2 8.2 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 - - - - - - - - - -
16、- - - - - - - - - - - - Characteristics Test sample(s) Test piece(s) See EN 4235-2 See EN 4235-2 Heat treatment I Solution treated I Use condition I Thickness of cladding on each face I ai3 1 3ai6 1 Dimensions concerned I mm I a56 % - - - Direction of test piece - L L Temperature Proof stress Hardne
17、ss e “C - Ambient Ambient - 2 1 650 2 1 650 RD0.2 MPa 2 372 HB T I 510cHVc600 510cHVc600 1 - 1 750 c Rm c 2 O00 1 750 i R, i 2 O00 Strength Rm MPa Elongation A% - 24 Reduction of area Z % - A50mm - - - Shearstrength I Rc I MPa I I I Bending k- 3 ; a = 180 - ITemperature I $ I “C I - Impact strength
18、- - I Rupture stress I DR I MPa I I C Time h - Stress Da MPa - Elongation a% - Elongation at A ruDture Yo - Notes (see line 98) - STD-AECMA PREN 3531-ENGL 1799 I10123LL 001b157 20D D - 1 - 1 7 Page 5 prEN 3531 : 1999 See EN 4235-2 Visual See EN 4235-2 EN 2951 Category 5 External defects - - - Cleanl
19、iness / inclusion content (micro-cleanness) See EN 4235-2 - - Marking inspection Iimensional inspection Notes Typical use -I See EN 4235-2 STD-AECMA PREN 3531-ENGL 1977 Is L12311 001b1b0 T22 1118 Page 6 prEN 3531: 1999 Product qualification See EN 2043 3ualification programme to be agreed between manufacturer and purchaser
