1、 STD-AECMA PREN Li37L-ENGL 1777 LOL23L1 0013757 876 Edition approved for publication AECMA STANDARD NORME AECMA AECMA NORM C5 Chairman Comments should be sent within six months after the date of Dubbation to prEN 4371 Edition P 1 December 1997 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUS
2、TRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 1 1 ICs: Descriptors: ENGLISH VERSION Aerospace series Heat resisting alloy NI-PD9001 (NiCu311 Non heat treated Bar for rivets DI10mm Srie arospatiale Luft- und Raumfahrt Alliage rsistant chaud NI-PD9001 (N
3、iCu31 1 Barres pour rivets Hochwarmfeste Legierung NI-PD9001 (NiCu31 1 Non trait Schmiedezustand Stangen fr Niete Dr10mm Dr10mm 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 f
4、or 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 affecte
5、d, 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 for
6、 Standardization) for formal vote. 1 997-1 2-31 AECMA Gulledelle 94 I 8-1 200 BRUXELLES I Mr Odorico aecrna 1997 STD-AECMA PREN 437L-ENGL 1797 = 101Z3LL 00137b0 508 Page 3 prEN 4371 : 1997 O Introduction This standard is part of the series of EN metallic material standards for aerospace applications
7、. The general organization of this series is described in EN 4258. This standard has been prepared in accordance with EN 4500-3. 1 Scope This standard specifies the requirements relating to: Heat resisting alloy NI-PD9001 (NiCu31) Non heat treated Bar for rivets D110mm for aerospace applications. 2
8、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 and the publications are listed hereafter. For dated references, subsequent amendments to or revisions
9、 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. EN 2043 Aerospace series - Metallic materials - General requirements for semi-finished product qualif
10、ication (excluding forgings and castings) 1) EN 3235-3 Aerospace series - Heat resisting alloys - 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
11、their use 1) EN 4500-3 Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 3: Specific rules for heat resisting alloys 1) 1 Published as AECMA Prestandard at the date of publication of this standard Previous page is blank STD-AECMA PREN 9371-ENGL
12、1777 1012311 00137b1 449 Page 4 prEN 4371 : 1997 C si Mn Chemical Element S AI Cu Fe Ni 3 - - - composition min. 0,080 - - 28,O Base % max. 0,16 0,50 2,oo 0,024 0,50 34,O 2,50 Method of melting Air melted 14.1 I Form I Bar I 4.2 4.3 Method of production Cold drawn Limit dimension(s) mm D 10 5 Techni
13、cal specification EN 3235-3 6.1 Characteristics Delivery condition Non heat treated Heat treatment - 6.2 7 Delivery condition code U Use condition Delivery condition Heat treatment - 8.1 8.2 17 18 19 20 21 22 23 24 25 26 27 - - - - - - - - - - Test cample(s) See EN 3235-3 Test piece(s) See EN 3235-3
14、 Temperature I B 1 “C I 8.3 9 Ambient Heat treatment Delivery condition Dimensions concerned mm - 10 11 Thickness of cladding on % each face Direction of test piece - See EN 3235-3 - I Hardness I Proof stress Strength I Shear strength I Rc I MPa I - - Rp0,2 MPa R, MPa 540 5 Rm I620 I Bending lkl-1 -
15、 Elongation Reduction of area A% A50 mm 25 Z % - I ITime Impact strength Temperature I eloc lhl - - C lAb1 Elongation at I I ruDture Stress a, MPa - Elongation a% - Rupture stress OR MPa - I Notes (see line 98) I Page 5 prEN 4371 : 1997 1 7 External defects Only visual is required No cracks, laps, f
16、olds Vlacrostructure Marking inspection Dimensional inspection Notes Typical use -I See EN 3235-3 -I See EN 3235-3 71 No harmful defects - See EN 3235-3 -I -I See EN 3235-3 -I -I STDnAECMA PREN LI37L-ENGL 1777 1012311 00137b3 217 Page 6 prEN 4371: 1997 Product qualification See EN 2043 3ualification programme to be agreed between manufacturer and purchaser.
