1、STD-AECMA PREN 3161-ENGL %Y77 1012311 0016443 696 Edition approved for publication 1999-09-30 i Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 B-1200 BRUXELLES AECMA STANDARD MQRME AECMA AECMA NORM prEN 3161 Edition P I September 1999 PUBLISHED BY THE
2、EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 6-1200 BRUXELLES - Tel. (+32) 2 775 81 1 O - Fax. (132) 2 775 81 11 ICs: Descriptors: ENGLISH VERSION Aerospace series Steel FE-PM3801 (XSCrNiCul7-4) Air melted Solution treated and precipitation treated Bar a or D 2 200 mm Rm 2 93
3、0 MPa Srie arospatiale Acier FE-PM3801 (X5CrNiCu17-4) labor lair Mis en solution et vieilli Barres a ou DI 200 mm R, 2 930 MPa Luft- und Raumfahrt Stahl FE-PM3801 (X5CrNiCu17-4) Lufterschmolzen Lsungsgeglht und ausgehrtet Stangen a oder D I 200 mm R, 2 930 MPa This Yerospace Series“ Prestandard has
4、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 Committee following comment by the Member countries. Subsequen
5、t to the publication of this Prestandard, 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 agreeme
6、nt of the ORcial Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee 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 C
7、hairman Mr Evetts aecma 1999 STD-AECMA PREN 3LbL-ENGL 1999 111 LO123LL 00Lb444 522 111 Page 3 prEN 3161: 1999 O In trod ucti on 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 stan
8、dard has been prepared in accordance with EN 4500-5. 1 Scope This standard specifies the requirements relating to: Steel FE-PM3801 (X5CrNiCul7-4) Air melted Solution treated and precipitation treated Bar a or D 2 200 mm R, 2 930 MPa for aerospace applications. 2 Normative references This European St
9、andard 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 these publications apply t
10、o 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 2043 Aerospace series - Metallic materials - General requirements for semi-finished product qualification (excluding forgings and casti
11、ngs) 1) EN 4235-3 Aerospace series - Steel - Wrought products - Technical specification - Part 3: Bar and section 1) EN 4258 Aerospace series - Metallic materials - General organization of standardization - Links between types of EN standards and their use EN 4436 Aerospace series - Steel - Test met
12、hods - Determination of 6 ferrite content 1) 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 of this standard Pi-evious page is blank Page 4
13、STD*AECMA PREN 3LbL-ENGL Lqqq 1012311 001b445 4b9 prEN 3161: 1999 Chemical composition % I I Material desicmation I Steel FE-PM3801 (X5CrNiCul7-4) Element C Si Mn P S Cr Mo Ni Cu Nb+Ta Fe min. - - - - - 15,O - 3,O 3,O 5x C max. 0,07 1,OO 1,OO 0,040 0,030 17,5 0,50 5,O 5,O 0,45 Base 2 3 4.1 Method of
14、 melting Air melted Form Bar 4.2 4.3 5 Method of production - Limit dimension(s) mm aorD1200 Technical specification EN 4235-3 5.1 Delivery condition Heat treatment Solution treated 1 025 “C c. c. 1 055 OC It I 30 min/AC or OQ + cool to Bi 30 “C Solution treated and precipitation treated 1 025 “C I
15、81 1 055 “CI t 2 30 min /AC or OQ + cool to es 30 OC + 610 “C I BI 630 “CI t 14 h /AC 5.2 7 Heat treatment r- Delivery condition code W U Use condition Solution treated and precipitation treated Delivery condition I I Delivery condition - + 610 “C i i 630 “C / t 24 h /AC Heat treatment Dimensions co
16、ncerned mm - 8.1 8.2 - - 8.3 - 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 - - - - - - - - - - - - - - - - - - - Solution treated Use condition a or D I 150 a or Dc. 75 75 4 a or Di 200 Characteristics Thickness of cladding on each face See EN 4235-3 See EN 4235-3 Test sample(s) Test pie
17、ce(s) % - - - Impact strength Temperature 8 “C - KV 2 40 ; Notch direction T - - Direction of test piece I - I L ILITI C - - - Bending lkl-1 I I I Stress oa MPa - Elongation a% - Elongation at rupture A% - I I Rupture stress 1 oR I MPa I - Notes (see line 98) - STD-AECMA PREN 3LbL-ENGL 1999 I 101231l 0036446 3T5 Page 5 - Microstructure EN 4436 Grain size 3 7 - External defects Corresponding to ingot top The lualifkation programme to be agreed between manufacturer and purchaser.
