1、AECMA PRENx2660 95 = LOL2311 0009421 BT9 H AECMA STANDARD prEN 2660 NORME AECMA Edition P 1 AECMA NORM June 1995 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (32) 2 775 81 10 - Fax. (32) 2 775 81 11 ICs : Descriptors : ENGLISH VERSION
2、Aerospace series Heat resisting alloy CO-CH 140 1 As cast Remelting stock Srie arospatiale Alliage rsistant chaud CO-CH1401 Non trait Demi-produit pour refusion Luft- und Raumfahrt Hochwarmfeste Legierung CO-CHI401 Nicht wrmebehandelt GuBvormaterial This “Aerospace Series“ Prestandard has been drawn
3、 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. Subsequent to the p
4、ublication 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 agreement of the
5、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.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 921 38 ISSY-LES-MOULINEAUX CEDEX _ C5 Chair
6、man T- Edition approved for publication Comments should be sent within SIX months after the date of publication to - 1995-06-30 AECMA Gulledelle 94 B-1200 BRUXELLES M. Odorico I I aecma 19s AECMA PREN*ZbbO 95 E LOLZ3LL 0009423 b7L E Page 3 prEN 2660 : 1995 O Introduction For the use of this standard
7、, see EN 2500-3. 1 Scope This standard specifies the requirements relating to as cast remelting stock, in heat resisting alloy CO-CH1401, for aerospace applications. 2 Nonnative references This European Standard incorporates by dated or undated reference provisions from other publications. These nor
8、mative 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 to this European Standard only when incorporated in it by amendment or revision. For undated ref
9、erences the latest edition of the publication referred to applies. EN2500-3 Aerospace series - Instnidions tor the drafting and use of metallic material standards - Part 3 : Specific requirements for heat resisting alloys 1) EN2103-2 Aemspace series - Steel, nickel base and cobail base alloy remelti
10、ng stock and Casungs - Ttchnical specification - Pad 2 : Remeiiing stock 1) Published as AECMA Prestandard at the date of publication of this standard Material designation Heat resisting alloy CO-CH1 401 Element min. max. C Si Mn P S B Cr Fe Ni N2 W Co 0.45 - - - - 30) 24.5 - 9.50 - 7.00 Base 0.55 1
11、,OO 1,OO 0,040 0,040 80) 26.5 2,OO 11.5 0,080 8,OO Form Method of production Limit dimensions mm) 5.1 Technical specification 5 2 Dimensional standards Remelting stock - - EN 2103-2 - 6.2 Delivery condition code I U 8 Sample Test piece Heat treatment 19 20 Bending k- Impact strength 21 22 - - 23 24
12、25 26 - - - 27 Temperature O C Time h Stress aa MPa C Elongation a % Rupture stress CSR MPa Elongation at A % rupture Notes (see line 98) Page 4 prEN 2660 : 1995 Chemical composition % Method of melting I Air or vacuum melted I 6 1 Delivery condition and heat treatment As cast Delivery condition - U
13、se condition and heat treatment Characteristics Separately cast - Delivery condition 9 1 Dimensionsconcerned I mm 10 Thickness of cladding I on each face 1- Direction of test piece Temperature I 0 I C Proof stress Rp0,2 MPa - I Strength Elongation - I Reduction of area 17 I Hardness - i 78 1 Shear strength I R, I MPa Page 5 prEN 2660 : 1995 External defects Internal defects :, Designation Notes Typical use See EN 2103-2 See EN 2103-2 See the relevant drawing *) p.p.m. 1) “Capability clause“ applies 1
