1、_ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising there
2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2015 SAE International All rights reserved. No part of this p
3、ublication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-497
4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/MA1339 AEROSPACE STANDARD MA1339 Issued 1998-06 Reaffirmed 2015-07 Hose Assembly,
5、 Polytetrafluoroethylene, Metallic Reinforced, 21,000 kPa, 204 C, Lightweight, Hydraulic and Pneumatic, Metric RATIONALE MA1339 has been reaffirmed to comply with the SAE five-year review policy. 1. SCOPE :This Aerospace Standard (AS) defines the requirements for a lightweight polytetrafluoroethylen
6、e (PTFE) lined, metallic reinforced, hose assembly suitable for use in high temperature, 204 C, high pressure, 21,000 kPa (210 bar), aircraft hydraulic systems, also for use in pneumatic systems which allow some gaseous diffusion through the PTFE wall.2. REFERENCES :2.1 Applicable Documents :The fol
7、lowing publications form a part of this document to the extent specified herein. The latest issue of SAE publications shall apply. The applicable issue of other publications shall be the issue in effect on the date of the purchase order. In the event of conflict between the text of this document and
8、 references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.2.1.1 SAE Publications : Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.AMS 5556 St
9、eel, Corrosion and Heat Resistant, Seamless or Welded Tubing,18Cr 11Ni 0.70(Cb+ Ta) (SAE 30347), Hydraulic, Solution Heat TreatedAMS 5557 Steel Tubing, Seamless and Welded, Corrosion and Heat Resistant, 18.5Cr 10.5Ni 0.40Ti (SAE 30321), Hydraulic, Solution Heat TreatedAMS 5561 Steel Tubing, Welded a
10、nd Drawn, Corrosion and Heat Resistant,9.0Mn 20Cr 6.5Ni 0.28N (SAE 21-6-9), High-Pressure HydraulicAMS 5567 Steel Tubing, Seamless or Welded, Corrosion Resistant, 19Cr 10Ni(SAE 30304), Hydraulic, AnnealedAMS 5570 Steel, Corrosion and Heat Resistant, Seamless Tubing, 18Cr 11Ni 0.40Ti (SAE 30321), Sol
11、ution Heat TreatedAMS 5571 Steel, Corrosion and Heat Resistant, Seamless Tubing, 18Cr 10.5Ni 0.70(Cb+ T a) (SAE 30347), Solution Heat TreatedSAE INTERNATIONAL MA1339 Page 2 of 24 2.1.1 (Continued):AMS 5573 Steel, Corrosion and Heat Resistant, Seamless Tubing, 17Cr 12.5Ni 2.5Mo (SAE 30316), Solution
12、Heat TreatedAMS 5575 Steel, Corrosion and Heat Resistant, Welded Tubing, 18Cr 10.5Ni 0.70(Cb+ T a) (SAE 30347), Solution Heat TreatedAMS 5581 Nickel Alloy, Corrosion and Heat Resistant, Seamless or Welded Tubing, 62Ni 21.5Cr 9.0Mo 3.7(Cb+ Ta) (SAE Inconel 625), AnnealedAMS 5639 Steel Bars, Wire, For
13、gings, Tubing and Rings, Corrosion Resistant,19Cr 10Ni (SAE 30304), Solution Heat TreatedAMS 5643 Steel, Corrosion Resistant, Bars, Wire, Forgings, Tubing and Rings,16Cr 4.0Ni 0.30(Cb+ Ta) 4.0Cu (SAE 17-4PH), Solution Heat Treated, Precipitation HardenableAMS 5644 Steel Bars and Forgings, Corrosion
14、Resistant, 17Cr 7.0Ni 1.0Al(SAE 17-4PH)AMS 5645 Steel, Corrosion and Heat Resistant, Bars, Wire, Forgings, Tubing and Rings, 18Cr 10Ni 0.40Ti (SAE 30321), Solution Heat TreatedAMS 5646 Steel, Corrosion and Heat Resistant, Bars, Wire, Forgings, Tubing and Rings, 18Cr 11Ni 0.60(Cb+ T a) (SAE 30347), S
15、olution Heat TreatedAMS 5647 Steel, Corrosion Resistant, Bars, Wire, Forgings, Tubing and Rings,19Cr 9.5Ni (SAE 304L), Solution Heat TreatedAMS 5648 Steel, Corrosion and Heat Resistant, Bars, Wire, Forgings, Tubing and Rings, 17Cr 12Ni 2.5Mo (SAE 30316), Solution Heat TreatedAMS 5653 Steel, Corrosio
16、n and Heat Resistant, Bars, Wire, Forgings, Tubing and Rings, 17Cr 12Ni 2.5Mo (SAE 30316L), Solution Heat TreatedAMS 5659 Steel, Corrosion Resistant, Bars, Wire, Forgings, Rings and Extrusions, 15Cr 4.5Ni 0.30Cb 3.5Cu (SAE 15-5PH), Consumable Electrode Melted, Solution Heat Treated, Precipitation Ha
17、rdenableAMS 5666 Nickel Alloy, Corrosion and Heat Resistant, Bars, Forgings, Extrusions and Rings, 62Ni 21.5Cr 9.0Mo 3.65(Cb+ Ta)(SAE Inconel 625), AnnealedAMS 5688 Steel, Corrosion Resistant, Wire, 18Cr 9.0Ni (SAE 30302) Spring TemperAMS 5689 Steel, Corrosion and Heat Resistant, Wire 18Cr 10.5Ni 0.
18、40Ti(SAE 30321), Solution Heat TreatedAMS 5690 Steel, Corrosion and Heat Resistant, Wire 17Cr 12Ni 2.5Mo (SAE 30316), Solution Heat TreatedAMS 5697 Steel, Corrosion Resistant, Wire 19Cr 9.5Ni (SAE 30304), Solution Heat TreatedAMS 5743 Steel, Corrosion and Heat Resistant, Bars and Forgings 15.5Cr 4.5
19、Ni 2.9Mo 0.10N (SAE AM-355), Solution Heat Treated, Sub-Zero Cooled, Equalized, and Over- TemperedAS150 Hose Assembly, Type Classifications of, Basic Performance and Fire ResistanceAS611 Tetrafluoroethylene Hose Assembly Cleaning MethodsARP908 Hose Fitting - Installation and Qualification Test Torqu
20、e RequirementsAS1055 Fire Testing of Flexible Hose, Tube Assemblies, Coils, Fittings and Similar System ComponentsSAE INTERNATIONAL MA1339 Page 3 of 24 2.1.1 (Continued):AS1072 Sleeve, Hose Assembly, Fire ProtectionARP1835 Preparation for Delivery, General Requirements for Hose AssembliesAIR4092 Inv
21、estigation of PTFE “Melt” Phenomenon for High Pressure HosesMA1370 (ISO 5855) Screw Threads - MJ Profile, MetricMA2014 Fitting End, Acorn Flareless, Design Standard, MetricMA2078 (ISO 8829) Test Methods, Hose Assemblies, Polytetrafluoroethylene (PTFE), MetricMA2095 Fitting Design Standard, 24 ConeMA
22、2273 Fitting End, Beam Seal, External Thread, Design Standard, MetricMA2274 Fitting End, Beam Seal, Bulkhead, External Thread, Design Standard, Metric2.1.2 ASTM Publications : Available from ASTM, 100 Barr Harbor, West Conshohocken, PA 19428-2959.ASTM A 262 Standard Recommended Practices for Detecti
23、ng Susceptibility to Intergranular Attack in Stainless SteelASTM A 313 Standard Specification for Stainless Steel Spring WireASTM A 580 Specification for Stainless and Heat Resisting Steel Wire2.1.3 NAS Standards : Available from Aerospace Industries Association, 1250 Eye Street NW, Washington, DC 2
24、0005.NAS 1760 Fitting End, Flareless Acorn, Standard Dimensions forSAE INTERNATIONAL MA1339 Page 4 of 24 2.1.4 U.S. Government Publications : Available from DODSS P , Subscription Services Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.P-D-680 Dry Cleaning SolventQQ-P-35 Passivat
25、ion Treatments for Corrosion-Resistant SteelsQQ-S-763 Steel Bars, Wire Shapes, and Forgings, Corrosion-ResistingMIL-C-5501 Caps and Plugs, Protective, Dust and Moisture Seal, General Specification forMIL-H-5606 Hydraulic Fluid, Petroleum Based, Aircraft, Missile and OrdnanceMIL-PRF-7808 Lubricating
26、Oil, Aircraft Turbine Engine, Synthetic BaseMIL-PRF-83282 Hydraulic Fluid, Fire Resistant Synthetic Hydrocarbon Base, AircraftMIL-F-85421 Fittings, Tube, Fluid Systems, Separable, 3000/4000 psi, General Specification forMIL-PRF-87257 Hydraulic Fluid, Fire Resistant; Low T emperature, Synthetic Hydro
27、carbon Base, Aircraft and MissileMIL-STD-100 Engineering Drawing PracticesMIL-STD-130 Identification Marking of U.S. Military PropertyMIL-STD-831 T est Reports, Preparation of2.1.5 ASME Publications : Available from ASME, 22 Law Drive, Box 2900, Fairfield, NJ 07007-2900.ASME B46.1 Surface Texture 3.
28、 TECHNICAL REQUIREMENTS :3.1 Qualification :The hose assemblies furnished under this document shall be products which are qualified by meeting all the requirements covered by this document.3.2 Material :The hose assembly materials shall be uniform in quality, free from defects, consistent with good
29、manufacturing practice, shall conform to applicable specifications and the requirements specified herein, and suitable for the purpose intended.SAE INTERNATIONAL MA1339 Page 5 of 24 3.2.1 Metals :Metals used in the hose and fittings shall be corrosion-resistant and shall conform to the following spe
30、cifications:a. Bars and Forgings:(1) QQ-S-763 Class 304 - Cond. A or Cond. B (AMS 5639)(2) QQ-S-763 Class 304L - Cond. A (AMS 5647)(3) QQ-S-763 Class 316 - Cond. A (AMS 5648)(4) QQ-S-763 Class 316L - Cond. A (AMS 5653)(5) QQ-S-763 Class 321 - Cond. A (AMS 5645)(6) QQ-S-763 Class 347 - Cond. A (AMS 5
31、646)(7) AMS 5643 17-4PH(8) AMS 5644 17-7PH(9) AMS 5659 15-5PH(10) AMS 5666 Nickel Alloy Type 625(11) AMS 5743 AM-355b. Tubing:(1) AMS 5567 Type 1 or Type 2 Stainless Steel Tubing, 304(2) AMS 5573 Seamless Stainless Steel Tubing, 316(3) AMS 5557 Type 1 or Type 2 Stainless Steel Tubing, 321(4) AMS 557
32、0 Seamless Stainless Steel Tubing, 321(5) AMS 5571 Seamless Stainless Steel Tubing, 347(6) AMS 5575 Welded Stainless Steel Tubing, 347(7) AMS 5556 Type 1 or Type 2 Stainless Steel Tubing, 347(8) AMS 5561 Welded Stainless Steel Tubing, 21-6-9(9) AMS 5581 Nickel Alloy Type 625c. Wire:(1) ASTM A 580/ A
33、 313 Comp. 302 (AMS 5688)(2) ASTM A 580/ A 313 Comp. 304 (AMS 5697)(3) ASTM A 580/ A 313 Comp. 316 (AMS 5690)(4) ASTM A 580/ A 313 Comp. 321 (AMS 5689)3.3 Design and Construction :The hose assembly shall consist of a seamless PTFE inner tube, corrosion-resistant steel-wire reinforcement, and corrosi
34、on-resistant steel or nickel alloy end fittings as required to meet the construction and performance requirements of this specification and as required for its intended use.3.3.1 Inner Tube :The inner tube shall be of a seamless construction of virgin PTFE resin of uniform gage. It shall have a smoo
35、th bore and shall be free from pitting or projections on the inner surface. Additives may be included in the compound from which the tube is extruded.SAE INTERNATIONAL MA1339 Page 6 of 24 3.3.2 Reinforcement :The reinforcement shall consist of corrosion-resistant steel wires conforming to the applic
36、able specifications listed in 3.2.1. The wires shall be so arranged over the inner tube as to provide sufficient strength to ensure conformance with the requirements specified herein. Broken reinforcing wires shall be cause for rejection. Crossed-over reinforcing wires shall not be cause for rejecti
37、on of the hose assembly.3.3.3 Fittings :All fittings shall be permanently attached and proven to meet the requirements herein. Standard hose assemblies shall have flareless fittings according to MA2014 to mate with MA2095 or beam seal fittings to mate with MA2273 or MA2274. Fitting hex portions shal
38、l fit standard wrench openings.3.3.3.1 Straight Fittings :Straight fittings shall be of one piece construction. Weld or braze joints must not be located in the fluid paths, except welded and redrawn corrosion-resistant steel tubing in accordance with 3.2.1 may be used.3.3.3.2 Other Fittings :Other f
39、ittings, including elbow fittings, shall be of one piece construction to the maximum extent possible. However, those made with other than one piece construction can use welded and redrawn corrosion-resistant steel tubing in accordance with 3.2.1 and shall employ a butt weld joint method.3.3.3.3 End
40、Fitting Collars (Sockets) : All end fitting collars (sockets) crimped or swaged, fabricated from Type 304 stainless steel are required to be capable of passing an embrittlement test as specified in ASTM A 262 Practice E, prior to assembly to the nipple or swaging operation. Sockets fabricated from s
41、tabilized austenitic steel (304L, 321, or 347) are acceptable without being subjected to the embrittlement test.3.3.3.4 Fitting Finish :3.3.3.4.1 Corrosion Resistant Steel Parts : Unless otherwise specified, corrosion resistant steel parts shall be passivated in accordance with QQ-P-35.3.4 Dimension
42、s :The hose assembly dimensions, except for length, shall be as specified in Figure 1 and T able 1.SAE INTERNATIONAL MA1339 Page 7 of 24 FIGURE 1 - Hose and Fitting DimensionsTABLE 1 - Hose and Fitting Dimensions as Shown in Figure 1 (mm)Spherical Ball Spherical BallSize for Size forDetermining Min
43、Determining MinRigid Fitting Unbraided Unbraided Hose Assy. Hose Assy.Tube Fitting ID Socket Hose Hose OD Hose OD Inner Tube Inner Tube ID 2) ID 2)Hose OD OD B 2) Length ID E E Wall T Wall T in in Size (Ref) A Max Min C Max D Min Min Max Min Max Straight Fittings Elbow FittingsDN06 6.0 17.5 3.6 25.6
44、 5.4 9.1 9.9 0.9 1.2 3.1 2.9DN10 10.0 20.3 6.4 28.0 7.6 11.6 12.4 0.9 1.2 5.5 5.2DN12 12.0 24.6 9.1 34.0 9.9 14.9 15.6 1.0 1.3 7.7 7.3DN16 16.0 27.9 11.6 35.0 12.3 17.5 18.5 1.1 1.4 9.4 8.8DN20 20.0 35.0 14.4 36.0 15.3 24.1 25.1 1.1 1.4 11.6 11.0DN25 25.0 42.2 19.3 41.0 21.6 31.2 32.3 1.1 1.4 17.4 1
45、6.41 Cross corners of nut and socket hex may exceed “A” dimension.2 Minimum specified inside diameter shall be verified by passing a spherical ball through the hose assembly.SAE INTERNATIONAL MA1339 Page 8 of 24 3.4.1 Hose Weight :Hose consisting of inner tube and reinforcement as outlined in 3.3.1
46、through 3.3.2 shall not exceed the maximum hose weights specified in Table 2.3.5 Performance :The inner tube and hose assembly shall meet the following performance requirements:3.5.1 Inner Tube :3.5.1.1 Tube Roll :The tube shall not leak, split, burst, or show any evidence of malfunction when rolled
47、 to the flattening and rounding gaps of MA2078 (21,000 kPa and higher) values. The test method is specified in 4.6.2.1.3.5.1.2 Tube Proof Pressure :The tube, without reinforcing wires, shall not leak, burst, or show any evidence of malfunction when tested to the MA2078 (21,000 kPa and higher) proof
48、pressure values for 1 min. The test method is specified in 4.6.2.1.3.5.1.3 Tensile Strength :The longitudinal tensile strength for all sizes of tubes shall be 15,100 kPa minimum. The transverse tensile strength for sizes DN16 and larger shall be 12,400 kPa minimum. For sizes DN10 and smaller the tra
49、nsverse tensile strength need not be tested. The test method is specified in 4.6.2.2.3.5.1.4 Elongation :Elongation shall be a minimum of 200%. The test method is specified in 4.6.2.3.3.5.1.5 Specific Gravity :The specific gravity values of the hose inner tube shall not exceed 2.155 apparent and 2.210 relative. The test method is specified in 4.6.2.4.TABLE 2 - Physical Requirements of Hose Assemblies and Weight of HoseBurs
