1、STD.AECMA PREN 3678-ENGL L999 1012311 0016463 484 #l# Edition approved for publication Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 1999-09-30 B-1200 BRUXELLES AECMA STANDARD NORME AECMA AECMA NORM C5 Chairman Mr Evetts prEN 3678 Edition P 1 Septembe
2、r 1999 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledeiie 94 - 6-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: Descriptors: ENGLISH VERSION Aerospace series Steel FE-PM380 1 (X5CrN iC u I 7-4) Air melted Solution treated and precipitation treated
3、 Forgings a or 5 200 mm Rm 2 930 MPa Srie arospatiale Acier FE-PM3801 (XSCrNiCu17-4) labor lair Mis en solution et vieilli Pices forges et pices matrices a or D I 200 mm Rm 2 930 MPa Luft- und Raumfahrt Stahl FE-PM3801 (XSCrNiCu17-4) Luftersc hmolzen Lsungsgeglht und ausgehrtet Schmiedestcke a or D
4、I 200 mm Rm 2 930 MPa This Herospace 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 technically approved by the experts of the concerned Technical C
5、ommittee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an exfenf fhaf inferchangeabihty is affected, physically or functiona/y, without re-iden fification of the standard. Affer examination and signature of
6、 the AECMA Standard Checking Centre (NPS) and formal agreement of the Oficial Services of the Member countries it will be submitfed as a draff European Standard to CEN (uropean Committee for Standardization) for formal vote. prEN 3678: 1999 O Introduction This standard is part of the series of EN me
7、tallic 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-PM3801 (X5CrNiCu17-4) Air melted Solution treate
8、d and precipitation treated Forgings a or D I 200 mm R, 2 930 MPa for aerospace applications. 2 Norma tive 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 t
9、he 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 2
10、157-3 Aerospace series - Steel forging stock and forgings - Technical specification - Part 3: Pre- production and production forgings EN 3163 Aerospace series - Steel FE-PM3801 (XSCrNiCu17-4) - Air melted - Softened - Forging stock - a or D I 300 mm 1) EN 4258 Aerospace series - Metallic materials -
11、 General organization of standardization - Links between types of EN standards and their use EN 4500-5 Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 5: Specific rules for steel 1) 1) Published as AECMA Prestandard at the date of publication
12、of this standard Previous page is blank STD-AECMA PREN 3b78-ENGL 1999 W LO12311 0036465 257 5 Page 4 prEN 3678: 1999 Method of production Limit dimension(s) mm Technical specification 1 4 4.3 Forged from forging stock EN 3163 a or D : 200 EN 2157-3 I 025 “C5 Oc 1 055 “Clt 2 30 min /AC or OQ + COOI t
13、o es 30 OC -very condition 1 025C : Oc. 1 055 “Clt 230 min1 AC or OQ + COOI to es 30 oc + 610 “C I e 630 “CI t 2 4 h IAC I Solution treated I Solution treated and precipitation treated 6.2 7 Heat treatment Delivery condition code W U Use condition Solution treated and precipitation treated Delivery
14、condition 8.1 1 Test sample(s) See EN 21 57-3 Heat treatment 8.2 8.3 I Delivery condition - + 610 “C I 630 “C It 2 4 h I AC I Test piece(s) See EN 2157-3 Heat treatment Solution treated Use condition Characteristics 9 10 11 Dimensions concerned mm a or D c 200 a or DC 75 75 a or Ds 200 each face Thi
15、ckness of cladding on % - - Direction of test piece - L L T - Proof stress Elongation Reduction of area e “C - Ambient Ambient Ambient - 2 725 2 725 2 725 Rp0,2 MPa R, MPa - 2 930 2 930 2 930 A% - 2 14 2 12 2 10 Z % - 2 50 2 50 2 35 19 20 21 22 23 24 25 - - - - 17 I Hardness Bending k- - - - Impact
16、strength - W 2 40 J ; Notch direction T KV 2 20 J ; Notch direction T Temperature e OC - Time h - Stress aa MPa - C Elongation a Oh - Rupturestress aR MPa - 5 363 HB I 277cHB5352 I 277 5 HB 352 18 I Shear strength I Rc I MPa I - 27 I Notes (see line 98) I I STD-AECMA PREN 367B-ENGL L999 W 1012311 OO
17、LbYbb 193 - - - Page 5 prEN 3678: 1999 See EN 21 57-3 - - Grain size External defects Batch uniformity Marking inspection 3imencional inspection Votes rypical use See EN 21 57-3 Gr4 See EN 2 157-3 See EN 2157-3 See EN 2157-3 -I STD-AECMA PREN 3b78-ENGL h999 LOL23LL 00Lb4b7 02T Page 6 prEN 3678: 1999 Product qualification Qualification programme to be agreed between manufacturer and purchaser.
