1、CEN PRENw3832 92 3404589 0040107 88T Edition approved for publication ! C8 Chairman Comments should be sent within six months after the date of Dubiication decision I prEN 3832 A. E. C. M. A. STAN DARD NORME A.E.C.M.A. A.E.C.M.A. NORM Edition P 1 December 1992 DITE PAR LASSOCIATION EUROPEENNE DES CO
2、NSTRUCTEURS DE MATRIEL AROSPATIAL Technopolis - 175. rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 UDC : Descriptors : ENGLISH VERSION Aerospace series Bolts, double hexagon head, relieved shank, long thread, in heat resisting nickel base alloy NI-PI OOHT (Incon
3、el 7 18) Classification : 1 550 MPa (at ambient temperature) / 650 OC Srie arospatiale Luft- und Raumfahrt Vis tte bihexagonale. Zwlfkantschrauben, ft dgag, filetage long, en alliage rsistant chaud base de nickel NI-P1 OOHT (Inconel 71 81 Classification : 1 550 MPa ( temprature ambiante) I650 OC Dnn
4、schaft, langes Gewinde, aus hochwarmfester Nickelbasislegierung NI-P1 OOHT (Inconel 71 8) Klasse : 1 550 MPa (bei Raumtemperaturl I650 OC This “Aerospace Series“ pre-standard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatiatj. It is pu
5、blished 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, the technical content shalt not be changed to an extent that interchangeab
6、ilit y is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPSI and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (Europ
7、ean Committee for Standardization) for final vote. 1992-12-31 A.E.C.M.A. Technopolis - 175, rue Jean-Jacques Rousseau 92138 Issy-les-Moulineaux Cedex - FRANCE Mi. WILLIAMS aecma 1992 CEN PREN*3832 72 3404589 0040l110 5Tl = prEN 3832 Page 3 1 Scope and field of application This standard specifies the
8、 characteristics of double hexagon headed bolts with relieved shank and long thread in NI-PI OOHT for aerospace applications. Classification : 1 550 MPa / 650 OC 2, 2 References IS0 3353 IS0 4095 IS0 5855-2 EN 2424 EN 2952 EN 3666 EN 3833 Aerospace construction - Rolled threads - Runout and lead thr
9、eads Fasteners for aerospace construction - Bi-hexagonal wrenching configuration Aerospace - MJ threads - Part 2 : Limit dimensions for bolts and nuts Aerospace series - Identification marking of standard fasteners 3, Aerospace series - Heat resisting nickel base alloy (NI-Pl OOHT) - Solution treate
10、d and cold worked - Bar for hot upset forging for fasteners - 3 I D 5 30 mm 4, Aerospace series - Heat resisting nickel base alloy (NI-PI OOHT) - Solution treated and cold worked - Bars for hot upset forging for fasteners - 3 mm S D 130 mm - 1 550 MPa I R, S 1 750 MPa 5, Aerospace series - Bolts in
11、heat resisting nickel base alloy NI-P1 OOHT (Inconel 71 8) - Classification : 1 550 MPa / 650 OC - Technical specification 5, 3 Required characteristics 3.1 Configuration - Dimensions - Tolerances - Masses See figure 1 and tables 1 and 2. Dimensions and tolerances are in millimetres. 3.2 Material EN
12、 3666 or EN 2952 with exception of final heat treatment which shall meet EN 3666 (reference heat treatment and relating mechanical properties). 1 1 Minimum tensile strength of the material at ambient temperature 21 Maximum test temperature of the parts 31 Published as AECMA standard at the date of p
13、ublication of this standard 41 Published as AECMA pre-standard at the date of publication of this standard 5) In preparation at the date of publication of this standard Previous page is blank CEN PRENt3832 92 = 3404589 004011l 438 7 Y prEN 3832 Page 4 0.13 0.15 - 37(0$ O? og O$-) Rolled 0.18 0.2 - R
14、emove sharp edges 0,l to 0,4 Pitch diameter Shape in this area at manufacturers option 1) When the length of the shank is less than one times the nominal value of the shank diameter D, the run-out is measured at a distance equal to half the actual shank length. 2) For bolts having a shank length les
15、s than one times the nominal value of the shank diameter D, and for those threadedto head, the pitch diameter axis shall be used as the datum. Figure 1 Table 1 120 MJ12x 1,25-4h6h I 11.19 I 19.9 I 18,8 I 13.7 I 2,4- I I I I I I 1) In accordance with IS0 5855-2. 2) Bihexagonal wenching confipuralion
16、in conformitv with IS0 409: X 0,003 0.0025 0,12 0.15 0.18 O25 over lenglh T min. CEN PRENM3832 92 m 3404589 0040112 374 m prEN 3832 Page 5 CEN PRENS3832 92 3404589 0040Lb4 147 fl prEN 3832 Page 7 4 Designation Example : Description block I Identity block BOLT 1 EN3832-080060 Number of this standard 1 I Thread code (see table 1) Length code (see table 21 Note : If necessary, the originator code 19005 shall be placed between the description block and the identitv block. 5 Marking EN 2424, style A, as indicated on figure 1. 6 Technical specification EN 3833