ASD-STAN PREN 4381-1997 Aerospace Series Heat Resisting Alloy NI-PH3601 (NiCr22Mo9Nb) Solution Treated Seamless Tubes for Structural Application D Less Than or Equal to 50 mm a Les.pdf

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1、STD-AECMA PREN 4381-ENGL 1997 LOI12311 I1014009 TIT W Edition approved for publication AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months after the date of oublication to C5 Chairman prEN 4381 Edition P 1 December 1997 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE I

2、NDUSTRIES (AECMA) Gulledelle 94 - E-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: Descriptors: ENGLISH VERSION Aerospace series Heat resisting alloy NI-PH3601 (NiCr22MoSNb) Solution treated Seamless tubes For structural application DI 50 mm, a 5 3 mm Srie arospatiale Alliage

3、rsistant chaud NI-PH3601 (NiCrPPMoSNb) Mis en solution Tube sans soudure Pour application structurale D I50 mm, a 5 3 mm Luft- und Raumfahrt Hochwarmfeste Legierung NI-PH3601 (NiCr22MoSN b) Lsungsgeglht Nahtlose Rohre Fr Strukturanwendungen DI 50 mm, a I 3 mm This “Aerospace Series“ Prestandard has

4、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 of the concerned Technical Committee following comment by the Member countries. Subsequen

5、t 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 examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreeme

6、nt of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Cornmittee for Standardization) for formal vote. 1997-1 2-31 AECMA Gulledelle 94 I 6-1 200 BRUXELLES I Mr Evetts aecma 1997 STD.AECMA PREN WWENGL 1777 m LOLZIJ CIOLOLO 731 m Page 3

7、prEN 4381: 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 standard has been prepared in accordance with EN 4500-3. 1 Scope This standard specifies the requirem

8、ents relating to: Heat resisting alloy NI-PH3601 (NiCr22MoSNb) Solution treated Seamless tubes For structural application DI 50 mm, a I3 mm for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These n

9、ormative 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 r

10、eferences 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 castings) 1) EN 3235-4 Aerospace series - Heat resisting alloys - Wrought products - Technical spe

11、cification - Part 4: Seamless tube 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 series - Metallic materials - Rules for drafting and presentation of material standards - Part 3: S

12、pecific rules for heat resisting alloys 1) 1) Published as AECMA Prestandard at the date of publication of this standard Previous page is blank Page 4 prEN 4381 : 1997 4.1 4.2 - - - - min. - 8,OO 3,15 Base max. 5,OO 10,o 4,15 0,40 5 *) 1 *) 10 *) Method of melting Consumable electrode remelted I For

13、m Tube Method of production Drawn 5 14.3 I Limit dimension(s) I mm I DI 50, a I 3 I Technical specification EN 3235-4 II I 6.1 Delivery condition Solution treated Heat treatment 930 “C I 01 1 075 “C/t t 5 min/AC or faster 6.2 7 Delivery condition code U Use condition Delivery condition Heat treatmen

14、t - I 11 I Direction of test piece I L I Heat treatment 1131 I Proof stress IRp0,21 MPa I 2 410 8.1 8.2 I 14 1 TI Strength 1 Rm I MP I Test sample(s) See EN 32354 Test piece) See EN 32354 t 830 8.3 9 11 I Heat treatment Delivery condition Dimensions concerned rnm DI 50, a 13 I $5 I I Elongation 1 A

15、I % I 2 35 I o Thickness of cladding on % each face I I - 16 17 20 Impact strength ThFGGqT Reduction of area Z % - Hardness I 260 HV 22 I ITime -Iw 24 C Elongation MPa I I - % I 27 I Notes (see line 98) I *) I Page 5 prEN 4381: 1997 - - 1 :lattening of tubes See EN 32354 See EN 3235-4 Visual examina

16、tion )rift test of tubes - - ixternal defects See EN 32354 See EN 32354 Marking inspection Dimensional inspection - - Notes Typical use *) p.p.m. - -I See EN 32354 STD*AECflA PREN i38L-ENGL II777 W LOII23IIL OOLiOL3 i40 Page 6 prEN 4381: 1997 Product qualification _ See EN 2043 lualification programme to be agreed between manufacturer and purchaser.

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