1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication prEN 3476 Edition P 2 December 1998 Comments should be sent within six months after the date of publication to C5 Chairman PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - T
2、el. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: Supersedes issue P 1 March 1988 Descriptors: ENGLISH VERSION Aerospace series Steel FE-PLI501 (30CrMo12) Air melted Softened Forging stock a or DI 300 mm Srie arospatiale Acier FE-PLI501 (30CrMol2) labor lair Adouci Produit destin la forge a ou D I
3、 300 mm Luft- und Raumfahrt Stahl FE-PLI501 (30CrMol2) Lufterschmolzen Weic hgeglht Sc hmiedevormaterial a oder D 2 300 mm 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 th
4、e 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 frestandard, the technical content shall not be changed to an extent that interchangeability is affected, ph
5、ysically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NfS) and formal agreement of the Official Sewices of the Member countries it wiil be submitted as a draft European Standard to CEN (European Committee for Stand
6、ardization) for formal vote. 1998-1 2-31 AECMA Gulledelle 94 6-1200 BRUXELLES Mr Evetts I I aecma 19 STD-AECMA PREN 3Ll7b-ENGL L998 m 1OL23LL UOL5q08 bT4 m Page 3 prEN 3476: 1998 O Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The gene
7、ral 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-PLI501 (30CrMo12) Air melted Softened Forging stock a or D I 300 mm for aerospace applications. 2 Normative re
8、ferences 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 the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of
9、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 2003-14 EN 2043 EN 2157-2 EN 4050-1 EN 4258 EN 4500-5 Aerospace series - Test methods for steel products - Pa
10、rt 14: Hardenability test by end quenching (Jominy test) 1) Aerospace series - Metallic materials - General requirements for semi-finished product qualification (excluding forgings and castings) 1) Aerospace series - Steel - Forging stock and forgings - Technical specification - Part 2: Forging stoc
11、k Aerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings - Part 1: General requirements 1) Aerospace series - Metallic materials - General organization of standardization - Links between types of EN standards and their use Aerospace
12、series - Metallic materials - Rules for drafting and presentation of material standards - Part 5: Specific rules for steel 1) ?) Published as AECMA Prestandard at the date of publication of this standard Previous page is blank STD.AECMA PREN 347b-ENGL 1778 9 1022311 0035407 530 Page 4 prEN 3476: 199
13、8 1 Material designation 2 Chemical Element composition min. % max. 3 Method of melting Steel FE-PLI 501 (3OCrMol2) C si Mn P S Cr Mo Ni Fe 0,28 0,lO 0,40 - - 2.80 0,30 - Base 0,35 0,40 0,70 0,025 0,020 3,30 0,50 0,30 Air melted I Form Forging stock Method of production - Limit dimension(s) mm a or
14、D I 300 Delivery condition Heat treatment Softened - Use condition Heat treatment Delivery condition - Heat treatment Delivery condition See line 29 Direction of test piece - Temperature OC - L Ambient Elongation A% - Reductionofarea Z % - 2 10 - - Shear strength Rc MPa Bending k- - - - 27 Notes (se
15、e line 98) 1) 2) 3) EN 21 57-2 I 5 I Technical specification U 16.2 I Delivery condition code l7 Characteristics Test sample(s) See EN 21 57-2 17 Dimensions concerned 1 -mm I a or Ds 300 Thicknessofcladdingon I OL I - I - I t 850 I 1 050 i; R, 5 1 250 I TI Strength I Rm Ipal - I 277 HB 1- _ Hardness
16、 I- t- I KV t 35J ; Notch direction T ; (W 2 20 J) 3) I Impact strength - - Temperature e “C - Time h - Stress oa MPa Elongation a% - Rupturestress I OR MPal 25 Elongation at A % rupture - STD-AECMA PREN 347b-ENGL 1778 m 1012311 0015410 252 W Page 5 prEN 3476: 1998 eference heat treatment ardenabili
17、ty lominy test) ;rain size Lxternal defects . :leanliness/inclusion content nicro-cleaness) iternal defects Marking inspection Dimensional inspection Notes Typical use Hardened and tempered 860 “C c 920 “C OQ + r 560 “C i OQ EN 2003-14 e= 875 OC I 5 OC Distance 13 5 9 15 25 40 (mm) HRC max. 57 57 57
18、 57 55 54 See EN 2157-2 See line 29 G25 See EN 21 57-2 See EN 21 57-2 Category 1 See EN 21 57-2 EN 4050-1 a or D 5 100 rnm may be tested either on the product or at an earlier stage of manufacturing Class 2 I - See EN 2157-2 - See EN 2 157-2 - 1) HVforaorD5mm 2) Surface hardness after nitriding : Hv 2 800 3) Value in brackets after blank nitriding : 490 “C 5 8s 51 O “C I t = 24h -I STD.AECMA PREN 347b-ENGL 1998 1012311 OOL541L 177 m Page 6 prEN 3476: 1998 roduct qualification See EN 2043 Qualification programme to be agreed between manufacturer and purchaser.
