1、AECMA PREN2933 Bb m 20123LL _- 0004487 _- 1 m -v A.E.C.M.A. STANDARD prEN2931 NORME A,E.C.M.A. Issue P 1 A.E.C.M.A. NORM May 1986 Edition approved for publication 15 May 1986 EDITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATRIEL AEROSPATIAL 88, boulevard Malesherbes, 25008 PARIS -TEL. 45-63
2、-82-85 Comments should be sent within six months C8 Chairman A.E.C.M.A. Mr WILLIAMS after the date of publication decision 88, Bd. Malesherbes 75008 PARIS - FRANCE UDC : Key words : ENGLISH VERSION Aerospace series Bolts T-head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286) u
3、nplated Classification : 900 MPa/650 OC Srie arospatiale Luff- und Raumfahrt . .T-Kopfschrauben, Dnnschaft, langes Gewinde, aus hochwarmfestem Stahl FE-PA92HT (A286) blank Klasse : 900 MPa/650 OC Vis tte anti-rotation T, ft dgag, filetage long, en acier rsistant chaud FE-PA92HT (A286) non revtu Clas
4、sification : 900 MPa/650 OC This standard is initially published on green paper for the needs of AECMA-Members (Association Europenne des Constructeurs de Matriel Arospatial). It has been technically approved by the experts of the concerned AECMA Commission following comment by the manufacturers of
5、the Member countries. 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 published in its final version on yellow paper as an AECMA Standard. aecma 1986 I ! AECMA-PREN2731 Bb II 1012311 0004!iJO
6、 m-1 pr EN 2931 Page 3 Issue PI 2476MIS 1. 1.1 2. 2.1 (1) 3. 3.2 3.2 3.3 3.4 SCOPE AND FIELD OF APPLICATION This standard specifies the characteristics of Tee Headed Bolts with long thread in corrosion and heat resisting steel, FE-PA92-HT (A286) in the tensile strength class 900 MPa at room temperat
7、ure, maximum test temperature of the material 650C. REFERENCES EN2399 Heat Resisting Steel FE-PA92-HT, Rm 900 MPa, Bars for Forged Bolts D 25 ram, Aerospace Series. EN2424 Identification Marking of Standard Fasteners, Aerospace Series. EN2576(1) Aerospace series, Bolts in corrosion resisting steel F
8、E-PA92-HT (A286) : Classification 900 MPa/650C: Technical specification. . IS03353 Aerospace construction - Rolled threads - Runout and lead threads. IS05855/1 Aerospace construction - MJ threads - Part 1 Basic profile. IS05 85 5/2 Aerospace construction - MJ threads - Part 2 Dimensions or bolts and
9、 nuts. In course of preparation. REQUIRED CHARACTERISTICS The bolts shall conform dimensionally to figure 1 ana tables 1 and 2. Surface texture: see figure 1. Material: Heat resisting steel FE-PA92-HT (A286) to EN2399. Surface treatment: None , Previous page is blank prEN 2931 Page 4 Issue PI 32 d A
10、ECMA PREN2431 8b W JOJ12311 0004qL T 08 O,$ Surface roughness 4 .$- measured priortocoating DIA CODE 050 060 070 080 100 N Thread C O - K S IS0 5855 Max Min Max Min Max Min Max Min Max Min MJ5x0,8 4h6h 6,3 6,l 4,61 4,35 11,6 11,l 3,4 2,9 8,4 8,l MJ6x1,O 4h6h 7,3 7,l 5,48 5,22 12,s 12,O 3,9 3,4 9,s 9
11、,2 MJ7x1,O 4h6h 8,4 8,2 6,48 6,22 13,9 MJ6x1,O 4h6h 9,4 9,2 “(48 7,22 14,5 MJ10xIl254h6h 11,2 11,O ,9,32 9,06 17,O IS0 3353 t IS0 3353 Rolled og/ - c bah sharp edges 0,l to 0,4 7 Identity marking A 4 - rGnread 3- c“ - 0,003 I1 A 0,40 R 0,25 Enlarged view at z Figure 1 AECMA PREN2731 86 LOL231L O0044
12、92 L M i . pr EN 2931 Page 5 Issue PI 1677MIS TABU 2 AECMA PREN2731 86-m LOLZ3LL 0004473 3 m i pr EN2931 Page 6 Issue PI DESCRIPTION BLOCK 2476MIS IDENTITY BLOCK 4. DESIGNATION BOLT EN2931-060030 I TT I Number of EN standard- 060: diameter code (see table 1) 030: length code (see table 2) Note: If n
13、ecessary, the design code S9005 shall be placed between the description block and the identity block. 5. MARKING _ . 5.1 Each bolt shall be marked as defined by EN2424 category A in the place indicated by figure 1. 6. (%ECHNICAL SPECIFICATION 6.1 Bolts to this standard shall conform to the requirements of EN2576 (1). (i): In course of preparation
