1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 1999-03-31 prEN 3525 Edition P 2 March 1999 Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 8-1200 BRUXELLES PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gul
2、ledelle 94 - B-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: Supersedes edition P1 March 1988 Descriptors: ENGLISH VERSION Aerospace series Steel FE-PLI 505 (1 SCrMoV6) Air melted Hardened and tempered Plate 6 mm a 2 20 mm 1 080 MPa 5 Rm I I 280 MPa Srie arospatiale Acier FE-
3、PLI505 (15CrMoV6) labor lair Tremp et revenu Plaques 6 mm a 5 20 mm 1 080 MPa I Rm I I 280 MPa Luft- und Raumfahrt Stahl FE-PLI505 (15CrMoV6) Lufterschmolzen Gehrtet und angelassen Platten 6 mm a I 20 mm 1 080 MPa I Rm I1 280 MPa This Aerospace Series“ Prestandard has been drawn up under the respons
4、ibility of AECMA (The European Association of Aerospace Industries). It is published 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 Pr
5、estandard, the technical content shall not be changed to an extent that interchangeability 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
6、the Member countries it will be submitted as a draft European Standard to CEN (European Commiftee for 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 C5 Chairman Mr Evets aecma 1999
7、STD-AECMA PREN 3525-ENGL I997 111 LCi12311 OOLbLi2 TO7 Page 3 prEN 3525: 1999 - - O In trod uction This standard 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 acc
8、ordance with EN 4500-5. 1 Scope This standard specifies the requirements relating to: Steel FE-PL1505 (1 5CrMoV6) Air melted Hardened and tempered Plate 6 mm a 520 mm 1 080 MPa 5 Rm 5 1 280 MPa - for aerospace applications. 2 Normative references This European Standard incorporates by dated or undat
9、ed reference, provisions from other publications. These normative references 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 i
10、ncorporated in it by amendment or revision. For undated references 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) EN 2951 Aerospace series - M
11、etallic materials - Test method - Micrographic determination of content of non-metallic inclusions 1) EN 4235-2 Aerospace series - Steel - Wrought products - Technical specification - Part 2: Plate, sheet and strip 1) EN 4258 Aerospace series - Metallic materials - General organization of standardiz
12、ation - Links between types of EN standards and their use EN 4500-5 Aerospace series - Metallic materials - Rules for the drafting and presentation of material standards - Part 5: Specific requirements for steel 1) 1) Published as AECMA Prestandard at the date of publication of this standard Previou
13、s page is blanl 1 6.1 Delivery condition Softened Heat treatment - 6.2 Delivery condition code A 7 Use condition Hardened and tempered Heat treatment Delivery condition + 955 “C 5 85 995 “C i OQ or AC + 595 “C 2 85 645 “C /AC Page 4 prEN 3525: 1999 Hardened and tempered 955 “C c Oc 995 “CI OQ or AC
14、+ 595 “C 5 645 “C I AC U Delivery condition - 8.1 1 Test sample(s) Characteristics See EN 4235-2 8.2 Test piece(s) 8.3 Heat treatment See EN 4235-2 Soflened Use condition 9 o 11 Dimensions concerned mm 6ac12 12a20 6a120 Thickness of cladding on yo each face - - - Direction of test piece - - LT I 17
15、I Hardness I 1197HBorc197HV I c197HBorc197HV I 335 5 HV I 382 or 321 I HB 5 380 I Temperature Proof stress Elongation Reduction of area e “C - - Ambient - - 2 930 Rp0,2 MPa R, MPa - - 1 080 2 R, 2 1 280 A% - - 2 10 Z YO - - - Shear strength Bending Rc MPa - - k- 0,5 ; a = 90“ - - - I 20 I Impact str
16、ength - 21 22 23 24 25 26 27 - - - - - - Temperature - e “C Time h - C Stress MPa - Elongation a% - Rupture stress rupture Elongation at uR MPa - A Yo - External defects Cleanlinesslinclusion content (micro-cleanness) Decarburization Internal defects Marking inspection Dimensional inspection Notes T
17、ypical use Page 5 prEN 3525: 1999 - See EN 4235-2 1 Visual -I See EN 4235-2 II EN 2951 71 Category 1 - See EN 4235-2 - See EN 4235-2 12 I a 5 20 7 -1 Class 2 I I I - - See EN 4235-2 - See EN 4235-2 -I STD-AECMA PREN 3525-ENGL 1999 10423331 001b145 71b Page 6 prEN 3525: 1999 roduct qualification See EN 2043 halification programme to be agreed between manufacturer and purchaser.
