ASD-STAN PREN 2927-1992 Aerospace Series Bolts with Double Hexagon Head Relieved Shank Long Thread in Heat Resisting Nickel Base Alloy NI-P100HT (Inconel 718) Classification 1 275.pdf

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1、CEN PREN*2927 92 3404589 0031386 194 = Edition approved for publication 1992-08-31 A. E. C. M, A. STAN DAR D NORME A.E.C.M.A. A.E.C.M.A. NORM Comments should be sent within SIX months CE Chairman AECMA Mr WILLIAMS after the date of publication decision Technopolis - 175. rue Jear-Jacques Rousseau 92

2、1 38 ssy-les-Moulineaux Cdex - FRANCE prEN 2927 Issue P 2 August 1992 EDITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cdex - Tel (1) 47 36 98 76 UDC : Supersedes Issue P 1 May 1986 Key words ENGLIS

3、H VERSION Aerospace series Bolts with double hexagon head, relieved shank, long thread, in heat resisting nickel base alloy Ni-P100HT (Inconel 71 8) Classification : 1 275 MPa / 650 OC Srie arospatiale Luft- und Raumfahrt Vis tte bihexagonale, Zwlfkantschrauben, tige rduite, filetage long, en alliag

4、e rsistant chaud base de nickel NI-PI OOHT (Inconel 71 8) Classification : 1 275 MPa / 650 OC Dnnschaft, langes Gewinde, aus hochwarmfestem Nickelbasislegierung NI-P100HT (Inconel 718) Klasse : 1 275 MPa / 650 OC This .Aerospace Series. pre-standard has been drawn up under the responsibility of AECM

5、A (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Commission following comment by the Member countries. Subsequent to the publication of this pre-standard,

6、 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 Official Services of the Member

7、 countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for final vote. _ _ CEN PREN*2927 92 3404589 0033387 O20 prEN 2927 Page 3 EN 2952 I 1 Scope and field of application This standard specifies the characteristics of double hexagon headed bolts

8、 with relieved shank and long thread in NI-P1 OOHT for aerospace applications. Classification : 1 275 MPa l) / 650 OC 2, 2 References IS0 3353, IS0 4095, IS0 5855-2, Aerospace - MJ threads - Part 2 : Limit dimensions for bolts and nuts Aerospace construction - Rolled threads - Runout and lead thread

9、s Fasteners for aerospace construction - Bi-hexagonal wrenching configuration EN 2424, EN 2583, Aerospace series - Identification marking of standard fasteners 3, Aerospace series - Bolts in heat resisting nickel base alloy NI-P1 OOHT (Inco 71 8) - Classification : i 275 MPa / 650 OC - Technical spe

10、cification 4, Aerospace series - Heat resisting nickel base alloy (NI-P100HT) - Solution treated and cold worked - Bar for hot upset forging for fasteners - 3 I D I 30 mrn 41 EN 2952, 3 Required characteristics 3.1 Configuration - Dimensions - Tolerances - Masses See figure 1 and tables 1 and 2. Dim

11、ensions and tolerances are in millimetres. 3.2 Material l) Minimum tensile strength of the material at ambient temperature 3, Published as AECMA standard at the date of publication of the present standard 4, Published as AECMA pre-standard at the date of publication of the present standard Maximum t

12、est temperature of the parts - - - Previous page is blank prEN 2927 Page 4 c “ PrEN 2927 Page 5 - - - - c _ CEN PREN*:2927 92 a 3404589 0031390 bL5 prEN 2927 Page 6 - 3 N r - 3 3 I- - O O m - C r- C - C U C - C U C - c? ZO +I _ - - _ _ CEN PREN*E!927 92 H 3404589 0033393 553 H prEN 2927 Page 7 4 Des

13、ignation Example : I Description block i Identity block Number of this standard Thread code (see table 1) Length code (see table 2) Note : If necessary, the originator code 19005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style A, as indicated on the figure 1 6 Technical specification EN 2583