1、ASD STANDARD NORME ASD ASD NORM prEN 4642 Edition P 1 July 2007 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONAvenue de Tervuren, 270 - B-1150 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.orgICS: Descriptors: ENGLISH VERSION Aerospa
2、ce series Steel FE-PM 3504 (X4CrNiMo16-5-1) Air melted Hardened and tempered Sheet and plate 0,6 mm a 50 mm 900 MPa Rm 1 050 MPa Srie arospatiale Acier FE-PM 3504 (X4CrNiMo16-5-1) labor lair Tremp et revenu Tles et plaques 0,6 mm a 50 mm 900 MPa Rm 1 050 MPa Luft- und Raumfahrt Stahl FE-PM 3504 (X4C
3、rNiMo16-5-1) Lufterschmolzen Gehrtet- und angelassen Bleche und Platten 0,6 mm a 50 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 t
4、he needs of the European Aerospace Industry. It has been 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 o
5、r functionally, without re-identification of the standard. 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
6、). The CEN national members have then to implement the 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 July 2007 Comments should be sent within six months after the date of
7、publication to ASD-STAN Metallic Material Domain Copyright 2007 by ASD-STAN prEN 4642:20072 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Metallic Material Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STA
8、Ns General Process Manual, this standard has received approval for Publication. prEN 4642:20073 Introduction 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 standard has been prepa
9、red 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 Sheet and plate 0,6 mm a 50 mm 900 MPa Rm 1 050 MPa for aerospace applications. 2 Normative references The following referenced documents
10、 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 General requirements for semi-finished
11、 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 4050-4, Aerospace series Test method for metallic materials Ultrasonic inspection of bars, plates, forging stoc
12、k and forgings Part 4: Acceptance criteria. 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 presentation of material standards Part 5: Speci
13、fic rules for steels. 1) EN 4700-1, Aerospace series Steel and heat resisting alloys Wrought products Technical specification Part 1: Plate, sheet and strip.1) 1) Published as ASD Prestandard at the date of publication of this standard. prEN 4642:20074 1 Material designation Steel FE-PM 3504 (X4CrNi
14、Mo16-5-1) Element C Si Mn PaSaN Cr Mo Ni Fe min. 0,02 15,00 0,80 4,00 2 Chemical composition % max. 0,06 0,70 1,50 0,030 0,005 0,08 17,00 1,50 6,00 Base 3 Method of melting Air melted + AOD or + VOD or equivalent process 4.1 Form Sheet and plate 4.2 Method of production Rolled 4.3 Limit dimension(s)
15、 mm a 50 mm 5 Technical specification EN 4700-1 6.1 Delivery condition Softened Hardened and tempered Heat treatment 1 010 C 1 060 C AC or AQ or OQ + Tempered 580 C 650 C or Process according to manufacturer and purchaser agreement 6.2 Delivery condition code A U 7 Use condition Hardened and tempere
16、d Hardened and tempered Heat treatment Delivery condition + 1 010 C 1 060 C AC or AQ or OQ + Tempered 580 C 650 C or For tempering before process according to manufacturer and purchaser agreement Delivery condition Characteristics 8.1 Test sample(s) See EN 4700-1. 8.2 Test piece(s) See EN 4700-1. 8.
17、3 Heat treatment Softened Delivery condition 9 Dimensions concerned mm a 50 0,6 a 3 3 a 25 25 a 50 10 Thickness of cladding on each face % 11 Direction of test piece L L L LT 12 Temperature C Ambient Ambient Ambient Ambient Ambient 13 Proof stress Rp0,2MPa 700 700 700 700 14 Strength RmMPa 900 Rm 1
18、050 900 Rm 1 050 900 Rm 1 050 900 Rm 1 05015 Elongation A % A 50 mm 8 A 5,65 So 16 A 5,65 So 16 A 5,65 So 1216 T Reduction of area Z % 17 Hardness 310 HV or 293 HB 280 HV 320 280 HV 320 280 HV 320 280 HV 32018 Shear strength RcMPa 19 Bending k K = 2; = 180; 2 for L; 2 for T K = 2; = 180; 2 for L; 2
19、for T 20 Impact strength KV J 120 J at 20 C Notch direction T 70 J at 40 C Notch direction T with a 12 mm 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 CNotch direction L 21 Temperature C 22 Time h 23 Stress aMPa 24 Elongation a % 25 Rupture
20、 stress RMPa 26 C Elongation at rupture A % 27 Notes (see line 98) aprEN 4642:20075 30 Microstructure See EN 4700-1. 7 The -ferrite content shall not exceed 5 %34 Grain size See EN 4700-1. 7 G 5 or finer 44 External defects Criteria following to EN 4700-1 50 Cleanliness/inclusion content See EN 4700
21、-1. (micro-cleanness) 7 EN 2951, category 2. 61 Internal defects See EN 4700-1. 7 EN 4050-4 class 3 on an intermediate rolling stage for a 12 mm EN 4050-4 class 3 for a 12 mm 95 Marking inspection See EN 4700-1. 96 Dimensional inspection See EN 4700-1. 98 Notes aFor specific welding applications (e.g. high power beam), and after agreement between manufacturer and purchaser, S+P should be inferior or equal to 0,023 %. 99 Typical use prEN 4642:20076 100 Product qualification See EN 2043. Qualification programme to be agreed between manufacturer and purchaser.
