1、 STD-AECMA PREN 3358-ENGL 1998 LOL23LL 0035383 LIT9 m Edition approved for publication AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months after the date of Dubiication to C5 Chairman prEN 3358 Edition P 3 December 1998 ICs: Descriptors: PUBLISHED BY THE EUROPEAN ASSOCIAT
2、ION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 Supersedes issue P 2 August 1988 ENGLISH VERSION Aerospace series Steel FE-PMI503 (X3CrNiMoAl 13-8-2) Vacuum induction melted and consumable electrode remelted Solution treated and
3、precipitation treated Bar for machining a or D I 150 mm Rm 2 I 400 MPa Srie arospatiale Acier FE-PMI503 (X3CrNiMoAl13-8-2) labor sous vide par induction et refondu llectrode consommable Mis en solution et vieilli Barres pour usinage a ou D s 150 mm R, 2 1 400 MPa Luft- und Raumfahrt Stahl FE-PMI503
4、(X3CrNiMoAll3-8-2) vakuuminduktionserschmolzen und mit selbstvenehrender Elektrode umgeschmolzen Lsungsgeglht und ausgelagert Stangen zur Spanenden Bearbeitung a oder D 5 150 mm R, 2 1 400 MPa This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (The European Assoc
5、iation 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 Prestandard, the technical content sha
6、ll 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 the Member countries it will be subm
7、itted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. 1998-12-31 AECMA Gulledelle 94 B-1200 BRUXELLES Mr Evetts aecrna 1998 STD.AECflA PREN 3358-ENGL 1998 D 101231L 001538 330 W Page 3 prEN 3358: 1998 O Introduction This standard is part of the series of
8、 EN metallic 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. 1 Scope This standard specifies the requirements relating to: Steel FE-PM1503 (X3CrNiMoAl 13-8-2) Vacuum inductio
9、n melted and consumable electrode remelted Solution treated and precipitation treated Bar for machining aorD5 150mm R, 2 1 400 MPa for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative
10、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 incorporated in it by amendment or revision. For undated references
11、 the latest edition of the publication referred to applies. EN 2003-7 EN 2043 EN 4050-1 EN 4235-3 EN 4258 EN 4436 EN 4500-5 Aerospace series - Steel - Test methods - Part 7: Macrographic test 1) Aerospace series - Metallic materials - General requirements for semi-finished product qualification (exc
12、luding forgings and castings) 1) Aerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings - Part 1: General requirements 1) Aerospace series - Steel - Wrought products - Technical specification - Part 3: Bar and section 2) Aerospace se
13、ries - Metallic materials - General organization of standardization - Links between types of EN standards and their use Aerospace series - Steel - Test methods - Determination of &Ferrite 1) Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 5: S
14、pecific rules for steel 1) Published as AECMA Prestandard at the date of publication of this standard Previous page is blank STD-AECMA PREN 3358-ENGL 1778 1OL23LL OOL5385 277 W Page 4 prEN 3358: 1998 2 3 I 1 I Material designation I Steel FE-PMI503 (X3CrNiMoAl 13-8-2) I Chemical Element C si Mn P S
15、Cr Mo Ni AI N2 Fe composition min. - - - - - 12,25 2,OO 7,50 0,90 - Base YO max. 0,05 0,lO 0,lO 0,010 0,008 13,25 2,50 8,50 1,351 0,010 Method of melting Vacuum induction melted and consumable electrode remelted 1 Method of production Limit dimensions mm Technical specification Bar for machining - a
16、orDs150 EN 4235-3 1 Delivery condition Heat treatment Delivery condition code Solution treated 900C I c 95O“CI t 230 min /AC, OQ orWQ +cooltoi15“C Solution treated and precipitation treated 900 “C I Bc 950 “CI t 30 min /AC, OQ orWQ +cool to BI 15 “C 530 “C s 05 550C It =4 h I AC W U Use condition He
17、at treatment Solution treated and precipitation treated Delivery condition Delivery condition - 530 “C I 02 550 “CI t = 4 h I AC Characteristics Test sample(s) Test piece) Heat treatment See EN 4235-3 See EN 4235-3 Delivery condition Use condition 18 Dimensions concerned mm a or D I 150 aorD 150 70
18、I a or D s 150 Thickness of cladding on I OL I - I - - , Direction of test piece e OC Temperature Proof stress Roo 2 MPa L T - Ambient 2 1310 t 1310 - Ambient - 1 T Strength Elongation I22 I ITime - R, MPa t 1 400 2 1 400 A Yo - 29 29 lhl - Reductionofarea - Z % 2 50 2 45 Hardness 5 363 HB 2 400 HB
19、Shear strength Bending Rc MPa - k- - 20 21 Impact strength - Temperature I eloc - - 23 Stress a, MPa - 24 C Elongation a% - 25 Rupture stress aR MPa - - - - 26 Elongation at A % - rupture 27 Notes (see line 98) - 7 - The &ferrite content shall not exceed 2 % See EN 4235-3 80 aor D 5 150 G3 Not accep
20、table G24 2 95 32Gc4 5 - 1 See EN 4235-3 EN 2003-7 1 2 Freckles A White spots A - 4 Ring pattern 6 See EN 4235-3 6 7 a or D c 100 rnrn may be tested either on the product or at an earlier stage of manufacturing Class 3 Page 5 prEN 3358: 1998 licrostructure -I See EN 4235-3 II See 4436 irain size 71
21、% of area Grain size number 1 2 95 I G25 I a or DI 80 I 35Gc5 I c5 G3 r Not acceptable -I See EN 4235-3 ixternai defects :leanliness/inclusion content micro-cleanness) See EN 4235-3 -I Aacrostructure 71 Class -1 Condition I Severity I 3 I Radial segregation I A nternai defects II EN 4050-1 Marking specification See EN 4235-3 -I -I See EN 4235-3 Dimensional inspection Notes Typical use Page 6 prEN 3358: 1998 Product qualification See EN 2043 Qualification programme to be agreed between manufacturer and purchaser.
