1、r 7 0 -I 7- /- AECMA PREN3008 83 M LO123LL 0004b4L 3 O O O O A. E. C. M. A, STAN DAR D NORME A.E.C.M.A. A.E.C.M.A. NORM prEN 3008 Issue P 1 November 3 987 BIT PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL 88, boulevard Malesherbes, 75008 PARIS -TL. 45-63-82-85 UDC : Key words :
2、 ENGLISH VERSION Aerospace series Bolts, hexagon head, relieved shank, long thread, in heat resisting nickel base alloy Classification i 275 MPa/656 OC U nplated NI-PI OOHT (INCO 71 8) Srie arospatiale Luft- und Raumfahrt Vis tte hexagonale, ft dgag, filetage long, en alliage base nickel rsistant ch
3、aud Classification 1275 MPa/650 OC Sechskantschrauben, Dunnschaft, langes Gewinde, aus hochwarmfester Nickelbasislegierung Klasse : 1275 MPa/650 OC NI-PI OOHT (INCO 71 8) NI-PI OOHT (INCO 71 8) Non revtu Blank Tfiis Aerospace Series pre-standard has been drawn up under the responsibility of AECMA (A
4、ssociation Europenne des Constructeurs de Matriel Arospatial). ft is published on green paper for the needs of AECMA-Members. It has been technically approvedby the experts of the concerned AECMA Commission following comment by the Member countries. Subsequent to the publication of this pre-standard
5、, 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 QfficialServices of the Member
6、 countries it will be submitted as a draft European Standard EO CEN (European Committee for Standardization) for final vote. Neta - Extra copies can be supplied by B.N.A.E. - 8, rue Moreau-Vauthier - 92100 BOULOGNE-BILLANCOURT Edition approved for publication Comments should be sent within six month
7、s C8 Chairman Mr. WILLIAMS after the date of publication decision 88, Bd. Malesherbes 2 November 1987 A.E.C.M.A. 75008 PARIS - FRANCE aecma 1987 I. Issue P 1 prEN3008 Page 3 I 1 Scope and field of application This standard specifies the characteristics of hexagon headed bolts with relieved shank and
8、 long thread in heat resisting nickel base alloy NI-P100HT (INCO 718) in the tensile strength class 1275 MPa at room temperature, maximum test temperature of the material 650 OC. 2 References IS0 3353, Aerospace construction - Rolled threads - Runout and lead threads IS0 5855/1, Aerospace constructi
9、on - MJ threads - Part 1 : Basic profile IS0 5855/2, Aerospace construction - MJ threads - Part 2 : Dimensions for bolts and nuts EN2424, Identification marking of standard fasteners - Aerospace series EN2583, Aerospace series - Bolts in heat resisting nickel base alloy NI-P100HT (INCO 718) - Classi
10、fication 1275 MPa/650 “C - Technical specification i) Aerospace series - Heat resisting nickel base alloy (NI-P100HT) - Solution treated and cold worked - Bar for hot upset forging for fasteners 3 D 30 mm 1) EN2952, - EN3219, Aerospace series - Heat resisting nickel base alloy (NI-P100HT) - Cold wor
11、ked and softened - Bar and wire for continuous forging or extrusion for.fasteners 3 5 I) - 30 mm i) 3 Required characteristics 3.1 The bolts chal1 conform dimensionally to figure 1 and tables i and 2, 3.2 Surface texture See figure . 3.3 Material Heat resisting nickel base alloy NI-P100HT to EN2952
12、or EN3219 3.4 Surface treatment None. -*reparation Previous page is blank AECMA PREN3008 87 LOL23LL 0004bllll 7 W 32 Issue P 1 prEN3008 Page 4 dd? 08 0,8 Break sharp edges 0,l to 0,4 E- r Identity marking E L 4 I I I 1 I L I I I Rolled 7 -IS0 3353 7 - WJxN) 8- Rd Shape in this area at manufacturers
13、option Figure 1 Table 1 Dimensions in mm AECMA PREN3008 87 1012311 000Llb45 O e- _- - - Issue P 1 prEW3008 Page 5 AECMA Issue P 1 prEN3008 Page 6 PREN3004 47 M AECMA PREN3008 87 LOL23LL _ 0004b47 ._ 4 _ - Description block Essuc P 1 prEhT3008 Page 7 Identity biock 4 Designation e BOLT EN 008-OQOC Tr
14、 060 = Diameter code (see table i) Eunber of EN standard 0 O30 Length code (see table 2) Mote : if necessary, the design code S9005 shall description block and the identity block. be placed between the 5 Marking Each bolt: shall be marked as defined by EN2424 category A 9n the place indicated by figure 1. 6 Tecttncal. specification Dolts to this standard shall confoim to the requirements of EN2583.