1、AECMA STANDARD NORME AECMA AECMA NORM prEN 4376 Edition P 1 December 1997 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - B-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: ENGLISH VERSION Aerospace series Heat resisting alloy NI-PH2601 (NiC
2、rl9Fei 9Nb5Mo3) Solution treated and precipitation treated Bar and section De I 200 mm Srie arospatiale Alliage rsistant chaud NI-PH2601 (NiCrl9Fel9Nb5Mo3) Mis en solution et prcipit Barres et profils De I 200 mm Luft- und Raumfahrt Hochwarmfeste Legierung NI-PH2601 (NiCrl9Fel9Nb5Mo3) Lsungsgeglht u
3、nd ausgehrtet Stangen und Profile De 5 200 rnm This “Aerospace Series I Prestandard has 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 o
4、f 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 affected, physically or functionally, without re-identification of the standard. After
5、examination and signature of the AECMA Standard Checking Centre (NPSI 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 Standardization) for formal vote. Nota - Extra copies can be supplied by B.N.A.
6、E. - Technopolis 54 - 199, rue Jean-Jacaues Rousseau - 921 38 ISSY-LES-MOULINEAUX CEDEX Edition approved for publication 1997-12-31 Comments should be sent within six months after the date of publication to C5 Chairman AECMA Gulledelle 94 B-1200 BRUXELLES Mr Evetts aecma 1997 COPYRIGHT Association E
7、uropeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesPage 3 prEN 4376: 1997 O 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 stand
8、ard has been prepared in accordance with EN 4500-3. 1 Scope This standard specifies the requirements relating to: Heat resisting alloy NI-PH2601 (NiCrl9Fel9Nb5Mo3) Solution treated and precipitation treated Bar and section De I 200 mm for aerospace applications. 2 Normative references This European
9、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 of any of these publications apply
10、 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 qualification (excluding forgings and cas
11、tings) 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 their use 1) EN 4500-3 Aerospace se
12、ries - 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 COPYRIGHT Association Europeene Des Constructeurs de Mater
13、iel AerospaceLicensed by Information Handling ServicesSTD-AECMA PREN q37b-ENGL 1777 LOL231L UUL378b BLq Page 4 prEN 4376: 1997 min. max. - - - - - 16,5 2,80 4,80 0.70 20,5 0,010 3,30 5,50 1,15 5) 1 ) 0,010 5 *) Base Method of melting -arm Consumable electrode remelted Bar and section Method of produ
14、ction .mit dimension(s) mrn rechnical specification Wrought De 2 200 EN 3235-3 Solution treated 940 “C I BI 980 “C/t = 1 h/AC or faster Solution treated and precipitation treated 940 “C BI 980 “C/t = 1 h/AC or faster + e= 720 “c f i0 “C/t = 8 h/FC at 50 “C per h I 02 60“ C per h 1) to e= 620 “C f 10
15、 “C/t = 8 h/AC 6.2 7 Delivery condition code Use condition Heat treatment W Solution treated and precipitation treated U Delivery condition Delivery condition +e= 720 “C i 10 “Ut = 8 h/FC at 50C per h 5 0160“ C per h 1) to 0= 620 “C f 10 “C/t = 8 hlAC - 8.1 8.2 Test sample(s) See EN 3235-3 Test piec
16、e(s) See EN 3235-3 Dimensions concerned each face Thickness of cladding on mm De 5 200 % - Direction of test piece L 2) T Proof stress Rpo2 MPa 1 035 860 1 035 860 Strength Rm MPa 1 270 1 O00 1 240 960 Reduction of area Z % 2 15 2 15 28 28 27 Notes (see line 98) *) 1) 2) 3) Material designation I He
17、at resisting alloy NI-PH2601 (NiCrl9Fel9Nb5Mo3) I Chemical composition % Delivery condition Heat treatment 6.1 I 8.3 I Heat treatment I Use condition 11 I 12 I I Temperature I e I C I Ambient I 650 I I 1 I I 29 I 2 10 I 29 I I 15 1 I Elongation I A I % 1 2 10 I I Shear strength I R, I MPa I Bending
18、k- - Impact strength - I 650 3) I I I I Time h t 2 23 - Stress o, MPa I I C Elongation a% - Rupturestress OR MPa 690 I I IAbI Elongation at 14 I ruoture 25 COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesPage 5 prEN 4376: 1997 - 2 Aicro
19、structure See EN 3235-3 The “capability clause“ applies ;rain size - 7 External defects See EN 3235-3 G 2 3, 1 s G 3 accepted up to 5 % max. area viacrostructure - 7 nternal defects See EN 3235-3 No harmful defects Marking inspection Dimensional inspection - 7 Notes See EN 3235-3 Class 3 Typical use
20、 Homogeneous structure - No pronounced segregation -I See EN 3235-3 I See EN 3235-3 See EN 3235-3 *) p.p.m. 1) If the rate of furnace cooling is outside this range then the precipitation time at 620 “C + 1 O C shall be increased to 2 18 h. 2) If test results in LT direction are successfull, L test d
21、irection is not requested. 3) Combined notched-unnotched test piece.The rupture shall occur in the unnotched section. COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesSTD-AECMA PREN 437b-ENGL 1997 m 10123LL 0033988 by7 m Page 6 prEN 4376: 1997 Product qualification See EN 2043 Qualification programme to be agreed between manufacturer and purchaser. COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling Services
