AECMA PREN 4082-1994 Aerospace Series Screws Pan Head Slotted Threaded to Head in Heat and Corrosion Resisting Steel Passivated Classification 900 MPa (at Ambient Temperature) 650.pdf

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1、CEN PRENm4082 74 H 3404589 00bb244 005 W AECMA STANDARD prEN 4082 NORME AECMA Edition P 1 AECMA NORM July 1994 DITE PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 UDC : Descript

2、ors : ENGLISH VERSION Aerospace series Screws, pan head, slotted, threaded to head, in heat and corrosion resisting steel, passivated Classification : 900 MPa (at ambient temperature) / 650 OC Srie arospatiale Luft- und Raumfahrt Vis tte cylindrique fendue, filetes jusqu proximit de la tte, en acier

3、 rsistant chaud et la corrosion, Classification : 900 MPa ( temprature ambiante) / 650 OC Flachkopfschrauben mit Schlitz, Gewinde annhernd bis Kopf, aus korrosionsbestndigem und hochwarmfestem Stahl Klasse : 900 MPa (bei Raumtemperatur) / 650 OC passives passiviert This “Aerospace Series“ Prestandar

4、d has been drawn up under the responsibility of AECMA (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 Technical Committee following comment by the Member c

5、ountries. Subsequent 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)

6、 and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 921 38 ISSY-LE

7、S-MOULINEAUX CEDEX C3 Chairman I Comments should be sent within six months after the date of oublication to I Edition approved for publication 1994-07-08 AECMA Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE Mr Arena I I (EJ aecma 199 Copyright Association Euro

8、peene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CEN PRENa4082 94 3404589 0066245 T4L H Page 3 prEN 4082 : 1994 1 Scope This standard specifies the characteristics of screws, pan

9、 head, slotted, threaded to head, in heat and corrosion resisting steel, passivated. Classification : 900 MPa 1) / 650 OC 2) 2 Normative references IS0 3353 Aerospace - Rolled threads for bolts - Lead and runout requirements IS0 5855-2 Aerospace - MJ threads - Part 2 : Limit dimensions for bolts and

10、 nuts IS0 791 3 Aerospace - Bolts and screws, metric - Tolerances of form and position IS0 81 68 Aerospace - Corrosion- and heat-resisting steel bolts with strength classification 1 1 O0 MPa and MJthreads - Procurement specification EN 2000 Aerospace series - Quality assurance - EN aerospace product

11、s - Approval of the quality system of manufacturers EN 2424 Aerospace series - Marking of aerospace products 3) EN 2516 Aersopace series - Passivation of corrosion resistant steels and decontamination of nickel base alloys 4) TR 3775 Aerospace series - Bolts and pins - National materials 5) 3 Requir

12、ed Characteristics 3.1 See figure 1 and table 1. Dimensions and tolerances are expressed in millimetres and apply after surface treatment. Configuration - Dimensions - Masses 3.2 IS0 7913 and with those specified in figure 1 and table 1 3.3 Materials TR 3775 (corrosion and heat resisting steel, clas

13、sification : 900 MPa) Tolerances of form and position 3.4 Surface treatment EN 2516 1) Minimum tensile strength of the material at ambient temperature 2) Maximum temperature that the screw can withstand without continuous change in its original characteristics, after return to ambient temperature. T

14、he maximum temperature is determined by the material. 3) Published as AECMA Standard at the date of publication of this standard 4) In preparation at the date of publication of this standard 5) Published as AECMA Technical Report at the date of publication of this standard Previous page is blank Cop

15、yright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CEN PRENs4082 94 3409589 O066246 988 W Page 4 prEN 4082 : 1994 Values in micrometres apply prior to surfac

16、e treatment. Break sharp edges 0,l to 0,4 c U m QI c I- Marking Y- : Pitch J diameter 1) Shape optional Figure 1 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license fro

17、m IHS-,-,- CEN PREN*4082 94 3404589 0066247 814 D1 I D2 I D3 E F G max. min. 5) 6) 025 030 004 to 036 004 to 042 4 to 36 4 to 42 035 040 004 to 050 4 to 50 0,4 006 to 056 6 to 56 050 060 008 to 070 8 to 70 0,5 2 0,5 0,25 2,61 0,25 O10 to 084 10 to 84 0,7 2,4 0,6 0,3 4,54 0,35 Page 5 prEN 4082 : 1994

18、 Table 1 Diameter code Thread l) H Toi. O - 0,3 I min. I nom. I Toi. I nom. I TOI. I min. I min. I nom. O1 6 MJ1,60,35 - 4h6h 020 MJ20,4 - 4h6h 025 MJ2,50,45 - 4h6h + 0,15 O 030 MJ30,5 - 4h6h MJ3,50,6 - 4h6h o, 2 1 .O5 035 040 MJ40.7 - 4h6h MJ50,8 - 4h6h I I 050 10 I 8,7 I 3,4 + 0,25 O 060 MJ6xl - 4

19、h6h * 0,5 - 0.3 12 I 10,7 I 4,2 (concluded S TI Mass 4, L i 0,3 2, 3, 1 Code 1 nom. I -I 004 to 022 004 to 028 4 to 22 4 to 28 o, 1 O0 0,023 0,176 0,037 0,12 0,321 0,060 0,15 0,524 0,088 0,17 I 0.91 I 0,12 02 I 1,29 1 0,15 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Pro

20、vided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CEN PRENu4082 94 m 3404589 0066248 750 m 040 to 060 Page 6 prEN 4082 : 1994 F 4 Designation EXAMPLE : Description block Identity block EN4r82-02001 O Diameter code (see table 1) Nu

21、mber of this standard Length code (see table 1) NOTE : if necessary, the code 19005 shall be placed between the description block and the identity block. 5 Marking See table 2 and figure 1. Table 2 Diameter code O16 to 035 6 Technical specification IS0 81 68, with the following modifications : 6.1 A

22、pproval of manufacturers EN 2000 6.2 Other modified requirements - Inspection for discontinuities shall be carried out during the microstructure inspection ; - Classification of defects : replace AQL 0,065 % by 1 %. 6.3 Requirements deleted - Qualification of screws ; - Tensile strength ; - Double shear strength ; - Tension fatigue strength. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-