1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication prEN 4090 Edition P 1 November 1997 C5 Chairman Comments should be sent within six months after the date of publication to 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: Descriptors: ENGLISH VERSION Aerospace series Steel FE-PL51 O1 (1 3MoCrNiV4-4-3-1) Vacuum induction melted and vacuum arc remelted Carburized, hardened, sub-zero treated and tempered Forgings De I 30 mm I 315 MPa I Rm I 1 650 MPa Srie arospatiale A
3、cier FE-PL5101 (1 3MoCrNiV4-4-3-1) Fusion par induction sous vide et par arc sous vide Cment, durci par trempe, trait par le froid et revenu Pices forges et pices matrices De I 30 mm 1 315 MPa I Rm I1 650 MPa Luft- und Raumfahrt Stahl FE-PL5101 (13MoCrNiV4-4-3-1) Vakuumindu ktionserschmolzen und vak
4、uumbogenerschmolzen Aufgekohlt, gehrtet tieftemperatrbehandelt und angelassen Schmiedestcke De I 30 mm 1 315 MPa I R, I1 650 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
5、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 interchangeability is affect
6、ed, 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 (European Committee fo
7、r Standardization) for formal vote. 1997-1 1-28 AECMA Gulledelle 94 B-1200 BRUXELLES Mr Odorico aecma 1997 STD-AECMA PREN 4070-ENGL I1777 m LOLZ3LL 0014250 LBT m Page 3 prEN 4090: 1997 O Introduction This standard is part of the series of EN metallic material standards for aerospace applications. Th
8、e general 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-PL5 1 O1 (1 3MoCrNiV4-4-3-1) Vacuum induction melted and vacuum arc remelted Carburized, hardened, sub-z
9、ero treated and tempered Forgings De I 30 mm 1 315 MPa I R, I1 650 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 places in the text a
10、nd 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 referred to applies.
11、EN 2157-3 Aerospace series - Steel forging stock and forgings - Technical specification - Part 3: Pre-production and production forgings EN 4089 Aerospace series - Steel FE-PL51 O1 (1 3MoCrNiV4-4-3-11 - Vacuum induction melted and vacuum arc remelted - Softened - Forging stock - a or D I 150 mm 1) E
12、N 4258 Aerospace series - Metallic materials - General organization of standardization - Links between types of EN standards and their use 1) EN 4436 Aerospace series - Steel - Test methods - Determination of 6 ferrite content 1) EN 4500-5 Aerospace series - Metallic materials - Rules for drafting a
13、nd 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 STD-AECMA PREN 4070-ENGL 1977 - LO12311 00111251 m 1 I Material designation Page 4 prEN 4090: 1997 I Steel FE-PL5101 (13MoC
14、rNiV4-4-3-1) iml composition Element C Si Mn P S Cr Mo Ni Co Cu V W Fe min. 0,11 0,lO 0,15 - - 4,OO 4,OO 3,20 - - 1,15 - . Base max. 0,15 0,25 0,35 0,015 80*) 4,25 4,50 3,60 0,25 0,lO 1,35 0,15 I Vacuum induction melted and vacuum arc remelted 3 I Method of melting I 4.2 4.3 4.1 I Form I Forgings I
15、Method of production Limit dimension(s) mm De I 30 1) Forged from forging stock EN 4089 5 Technical specification EN 2157-3 ;.I I Delivery condition 3.1 Test sample(s) 3.2 Test piece(s) 3.3 Heat treatment I Heat treatment See EN 2157-3 See EN 2157-3 Delivery condition Use condition 5.2 I Delivery co
16、ndition code Thickness of cladding on Heat treatment % - - L Temperature Proof stress Strength Elongation Reductionof area Softened 0 “C Ambient Ambient 2 1 065 Rp0,2 MPa - R, MPa - 13151R,:1650 A% - Z % - 2 10 2 30 e= 680 C It = 12 h I AC 19 20 21 - 22 23 -. A Bending k- - Impact strength - - Tempe
17、rature e OC Stress a, MPa - - Time h Carburized, hardened, sub-zero treated and tempered Delivery condition + Carburized at 840 “C I 6% 980 “C + Preheat in salt bath or vacuum 800 “C I 6% 860 “C It = 10 min I Heat in salt bath or vacuum I 060 “C I 05 I 120 “C I Holding time accordance cross-section
18、/ Quench into salt bath 560 “C I 0 I 620 “C to temperature balance and immediately AC to ambient temperature or gas quenching in nitrogen or argon to ambient temperature or OQ 2) + sub-zero treat -80 “C I 05 -70 “CI t = 2h + Temper three times 530 “C I QI 570 “C / t = 2h I AC Characteristics 25 26 2
19、7 - Rupture stress OR MPa - Elongation at A yo - rupture Notes (see line 98) *) 1) 2) 9 I Dimensions concerned I mm I a or D I 100 I De I 30 I 11 I Direction of test piece I I LorT I - I 409 I HV I 523 I I 255 HB 17 I Hardness I I 18 I Shear strength I R, I MPa I - dl I 24 I CI Elongation I a I % I
20、- STD*AECMA PREN 4090-ENGL 1797 LOL23Ll 0014252 T52 I 2 3 5 7 - 7 - - Microstructure EN 4436 One per batch See the relevant drawing or inspection shedule Use condition i-ferrite content I 3 % See EN 2157-3 G 2 5, some G 2 3 acepted up to 5 % max. area See EN 2157-3 See EN 2157-3 Grain size External
21、defects Macrostructure (Grain flow) Internal defects Batch uniformity Marking inspection Dimensional inspection Notes Typical use -I See EN 2157-3 -I See EN 2157-3 See EN 2157-3 -I See EN 2157-3 *) p.p.m. I) May be supplied with a or D I 100 mm subject to agreement between manufacturei and purchaser, 2) By agreement between manufacturer and purchaser. STDmAECMA PREN 4070-ENGL I777 W LOI2311 0034253 777 W Page 6 prEN 4090: 1997 Product qualification Qualification programme to be agreed between manufacturer and purchaser.
