1、ASD STANDARD NORME ASD ASD NORM prEN 4631 Edition P 1 August 2006 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Gulledelle 94 - B-1200 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.org ICS: Descriptors: ENGLISH VERSION Aerospace ser
2、ies Steel FE-PM 3504 (X4CrNiMo16-5-1) Air melted Hardened and tempered Bar De 200 mm 900 MPa Rm 1 050 MPa Srie arospatiale Acier FE-PM 3504 (X4CrNiMo16-5-1) labor lair Tremp et revenu Barres De 200 mm 900 MPa Rm 1 050 MPa Luft- und Raumfahrt Stahl FE-PM 3504 (X4CrNiMo16-5-1) Lufterschmolzen Gehrtet-
3、 und angelassen Stangen De 200 mm 900 MPa Rm 1 050 MPa This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has b
4、een technically approved by the experts of the concerned Domain following member comments. Subsequent 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 stan
5、dard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement th
6、e EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 31 August 2006 Comments should be sent within six months after the date of publication to ASD-STAN Metallic Material Domain Co
7、pyright 2006 by ASD-STAN Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 4631:2006 (E) 2 Foreword This standard was reviewed by the Domain Techni
8、cal Coordinator of ASD-STANs Metallic Material Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. Copyright Association Europeene des Constructeurs de Materiel Aerosp
9、atial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 4631:2006 (E) 3 Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this serie
10、s 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-PM 3504 (X4CrNiMo16-5-1) Air melted Hardened and tempered Bar De 200 mm 900 MPa Rm 1 050 MPa for aerospace applications. 2 Normative referen
11、ces The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2043, Aerospace series Metallic materials
12、General requirements for semi-finished product qualification (excluding forgings and castings). 1) EN 2951, Aerospace series Metallic materials Test method Micrographic determination of content of non-metallic inclusions. 1) EN 4050-2, Aerospace series Test method for metallic materials Ultrasonic i
13、nspection of bars, plates, forging stock and forgings Part 2: Performance of test. 1) EN 4258, Aerospace series Metallic materials General organization of standardization Links between types of EN standards and their use. EN 4500-5, Aerospace series Metallic materials Rules for drafting and presenta
14、tion of material standards Part 5: Specific rules for steels. 1) EN 4700-2, Aerospace series Steel and heat resisting alloys Wrought products Technical specification Part 2: Bar and section. 1) 1) Published as ASD Prestandard at the date of publication of this standard. Copyright Association Europee
15、ne des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 4631:2006 (E) 4 1 Material designation Steel FE-PM 3504 (X4CrNiMo16-5-1) Element C Si Mn P S N Cr Mo Ni Fe min. 15,00 0,80 4,0
16、0 2 Chemical composition % max. 0,06 0,70 1,50 0,030 0,005 0,020 17,00 1,50 6,00 Base 3 Method of melting Air melted 4.1 Form Bar 4.2 Method of production 4.3 Limit dimension(s) mm De 200 mm 5 Technical specification EN 4700-2 Delivery condition Annealed Hardened and tempered 6.1 Heat treatment 1 01
17、0 C q 1 060 C / OQ or WQ a + Tempered 580 C q 610 C 6.2 Delivery condition code W U Use condition Hardened and tempered Hardened and tempered 7 Heat treatment 1 010 C q 1 060 C / OQ or WQ a + Tempered 580 C q 610 C Delivery condition Characteristics 8.1 Test sample(s) 8.2 Test piece(s) 8.3 Heat trea
18、tment Annealed Delivery condition 9 Dimensions concerned mm De 200 De 75 75 De 200 10 Thickness of cladding on each face % 11 Direction of test piece L LT 12 Temperature q C Ambient Ambient Ambient 13 Proof stress Rp0,2 MPa 700 700 14 Strength Rm MPa 900 Rm 1 050 900 Rm 1 050 15 Elongation A % 16 12
19、 16 T Reduction of area Z % 17 Hardness 293 HB 269 HB 331 269 HB 331 18 Shear strength Rc MPa 19 Bending k 20 Impact strength KV J 120 J at 20 C Notch direction T 70 J at 40 C Notch direction T 60 J at 20 C Notch direction L 35 J at 40 C Notch direction L 21 Temperature q C 22 Time h 23 Stress a MPa
20、 24 Elongation a % 25 Rupture stress R MPa 26 C Elongation at rupture A % 27 Notes (see line 98) a Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prE
21、N 4631:2006 (E) 5 30 Microstructure See EN 4700-2. 7 The ferrite content shall not exceed 5 % 34 Grain size See EN 4700-2. 7 G = 5 or finer 44 External defects See EN 4700-2. 50 Cleanliness/inclusion content See EN 4700-2. (micro cleanness) 7 EN 2951 category 2. 61 Internal defects See EN 4700-2. 7
22、EN 4050-2 95 Marking inspection See EN 4700-2. 96 Dimensional inspection See EN 4700-2. 98 Notes a Air quenching may be used for De 20 mm 99 Typical use Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or
23、 networking permitted without license from IHS-,-,-prEN 4631:2006 (E) 6 100 Product qualification See EN 2043. Qualification programme to be agreed between manufacturer and purchaser. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-
