1、ASD STANDARD NORME ASD ASD NORM prEN 4018 Edition P 2 October 2007 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONAvenue de Tervuren, 270 - B-1150 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.orgICS: Supersedes edition P 1 of April 1
2、994 and will supersede EN 4018:2001 Descriptors: ENGLISH VERSION Aerospace series Pipe coupling 830 in titanium alloy Elbows 90 with thrust wire nut Srie arospatiale Systme de raccordement 830 en alliage de titane Raccords couds 90 avec crou jonc Luft- und Raumfahrt Rohrverschraubung 830 aus Titanle
3、gierung Winkelverschraubungen 90 mit Mutter mit Schubdraht This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It h
4、as been technically approved by the experts of the concerned Domain following member comments. 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
5、standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implemen
6、t the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 31 October 2007 Comments should be sent within six months after the date of publication to ASD-STAN Mechanical Domain Copy
7、right 2007 by ASD-STAN prEN 4018:20072 Contents Page Foreword2 1 Scope 3 2 Normative references 3 3 Required characteristics.4 3.1 Configuration Dimensions Mass.4 3.2 Surface roughness 4 3.3 Materials .4 3.4 Surface treatment 4 3.5 Internal surface finishing 4 4 Designation 6 5 Marking .6 6 Technica
8、l specification .7 7 Quality assurance7 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Mechanical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received appro
9、val for Publication. prEN 4018:20073 1 Scope This standard specifies the characteristics of elbows 90, with thrust wire nut, for pipe couplings 830, in titanium alloy, for aerospace applications. Nominal pressure: up to 28 000 kPa Temperature range: 55 C to 135 C 2 Normative references The following
10、 referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 5855-3, Aerospace MJ threads Part 3: Limit dimensions for
11、fittings for fluid systems. EN 2424, Aerospace series Marking of aerospace products. EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods. EN 3264, Aerospace series Pipe coupling 830 in titanium alloy Thrust wire nuts. EN 3273, Aerospace series Pipe coupling 830 Dynamic bea
12、m seal end for elbows, tees and crosses Geometric configuration. EN 3274, Aerospace series Pipe coupling 830 Thread end Geometric configuration. EN 3275, Aerospace series Pipe coupling 830 up to 28 000 kPa Dynamic beam seal Metric series Technical specification. EN 3311, Aerospace series Titanium al
13、loy TI-P64001 Annealed Bar for machining D 150 mm. 1)EN 3312, Aerospace series Titanium alloy TI-P64001 Grade 2 Annealed Forgings De 150 mm.1)EN 3314, Aerospace series Titanium alloy TI-P64001 Solution treated and aged Bar for machining D 75 mm. 1)EN 3315, Aerospace series Titanium alloy TI-P64001 S
14、olution treated and aged Forgings De 75 mm. 1) EN 4032, Aerospace series Pipe coupling 830 in titanium alloy Thrust wire. EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts. 1) Published as ASD Prestandard at the date of publication of this stan
15、dard. prEN 4018:20074 3 Required characteristics 3.1 Configuration Dimensions Mass According to Figure 1 and Table 1. The values apply before lubricating. Dimensions not specified are at the manufacturers option provided that the qualification and acceptance requirements of EN 3275, type II are met.
16、 3.2 Surface roughness According to Figure 1, unless otherwise specified in the design documentation. 3.3 Materials According to EN 3311 or EN 3314, EN 3312 or EN 3315. 3.4 Surface treatment Lubrication: according to EN 2491, on thread, sealing face and contact area between thrust wire and coupling.
17、 Prior to application of the lubricant, the surface shall be abrasive blasted using non-metallic grit. Film thickness 0,005 mm to 0,013 mm. 3.5 Internal surface finishing Finishing shall give a radius R of 0,3 mm to 1,0 mm and a surface roughness of 0,8 m. Hand deburring is not permitted. prEN 4018:
18、20075 Dimensions in millimetres Key 1 Nut according to EN 3264 2 Thrust wire according to EN 4032 aArea for marking bR 0,3 to 1,0 cThread 1 dAccording to EN 3274, form C eAccording to EN 3273 fThread 2 g Fully inserted hAcross flats s1iAcross flats s2Figure 1 prEN 4018:20076 Table 1 Dimensions in mi
19、llimetres Code aThread 1 bThread 2 bl1 cl2l3 cl4 dr s1s2Mass g/piece 4g6g 4H5H 0,2 0,2 020,010,h13 h13 max. 05 MJ10 1 MJ10 1 16,3 24,8 19 6,6 1,0 14 8 10,85 06 MJ12 1,25 MJ12 1,25 17,8 27,7 21 7,5 1,0 16 9 15,29 08 MJ14 1,5 MJ14 1,5 20,8 32.6 24 9,4 1,0 18 11 19,56 10 MJ16 1,5 MJ16 1,5 21,8 33,5 25
20、9,3 1,0 21 13 24,51 12 MJ18 1,5 MJ18 1,5 23,8 36,2 27 10,5 1,2 22 15 30,94 14 MJ20 1,5 M210 1,5 23,8 37,1 28 10,4 1,2 24 16 37,17 16 MJ22 1,5 MJ22 1,5 25,8 38,9 30 10,2 1,2 27 18 50,09 18 MJ24 1,5 MJ24 1,5 27,8 41,1 32 10,9 1,2 30 21 64,95 20 MJ27 1,5 MJ27 1,5 27,8 44,1 35 10,9 1,5 32 24 77,59 22 MJ
21、30 1,5 MJ30 1,5 30,8 46,1 37 10,8 1,5 36 27 95,93 25 MJ33 1,5 MJ33 1,5 32,8 49,1 40 10,8 1,5 41 30 130,50 28 MJ36 1,5 MJ36 1,5 34,8 52,1 43 10,8 1,5 46 34 159,72 32 MJ39 1,5 MJ39 1,5 36,4 53,9 45 10,6 1,5 50 36 177,37 aCorresponds to the pipe nominal outside diameter. bAccording to ISO 5855-3.cDrill
22、 depth dimension. dOnly applicable when diameter d2according to EN 3273 is smaller than the actual forging diameter. Differences between these diameters are acceptable. 4 Designation EXAMPLE Description block ELBOW 90 Identity block EN4018-05 Number of this standard Code (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking According to EN 2424, style A and Figure 1. prEN 4018:20077 6 Technical specification According to EN 3275, type II. 7 Quality assurance See EN 9133.
