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 theref
2、rom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2011 SAE International All rights reserved. No part of this publication ma
3、y 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: 724-776-4970 (outside USA)
4、Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AMS5566MAEROSPACEMATERIALSPECIFICATIONAMS5566 REV. M Issued 1946-06 Reaffirmed 2006-04 Revised 201
5、1-09 Superseding AMS5566L Steel, Corrosion Resistant, Seamless or Welded Hydraulic Tubing 19Cr - 10Ni (304) High Pressure, Cold Drawn (Composition similar to UNS S30400) RATIONALEAMS5566M revises Properties (3.4) to remove reference to bend testing which is not a requirement of this specification, a
6、nd is a Five Year Review and update of this specification. 1. SCOPE 1.1 FormThis specification covers a corrosion-resistant steel in the form of two types of tubing. 1.2 Application This tubing has been used typically for parts, such as high pressure hydraulic systems up to 3000 psi (20.7 MPa), requ
7、iring corrosion and heat resistance up to 700 F (371 C), but usage is not limited to such applications.1.3 Classification Tubing covered by this specification is classified as follows: Type 1 - Seamless and drawn Type 2 - Welded and drawn 1.3.1 Unless a specific type is ordered, either Type 1 or Typ
8、e 2 may be supplied. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of the purchase order forms a part of this specification to the extent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified.
9、 When the referenced document has been cancelled and no superseding document has been specified, the last published issue of that document shall apply. SAE AMS5566M Page 2 of 7 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323
10、 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org.AMS2243 Tolerances, Corrosion and Heat-Resistant Steel Tubing AMS2248 Chemical Check Analysis Limits, Corrosion and Heat-Resistant Steels and Alloys, Maraging and Other Highly-Alloyed Steels, and Iron Alloys AMS2371 Quality Assuranc
11、e Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging Stock AMS2634 Ultrasonic Inspection, Thin Wall Metal Tubing AMS2807 Identification, Carbon and Low-Alloy Steels, Corrosion and Heat-Resistant Steels and Alloys, Sheet, Strip, Plate, and Aircraft Tubi
12、ng 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 212-642-4900, www.ansi.org.ASTM A 262 Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels ASTM A 370 Mechanical Testing of Steel Produc
13、ts ASTM E 112 Determining Average Grain Size ASTM E 353 Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Similar Chromium-Nickel-Iron AlloysASTM E 426 Electromagnetic (Eddy-Current) Examination of Seamless and Welded Tubular Products, Austenitic Stainless Steel and Similar Alloys
14、ASTM E 1417 Liquid Penetrant Testing 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the percentages by weight shown in Table 1, determined by wet chemical methods in accordance with ASTM E 353, by spectrochemical methods, or by other analytical methods acceptable to purchaser. TABLE 1 -
15、COMPOSITION Element min max Carbon - 0.08 Manganese - 2.00 Silicon - 0.75 Phosphorus - 0.040 Sulfur - 0.030 Chromium 18.00 20.00 Nickel 8.00 12.00 Molybdenum - 0.75 Copper - 0.75 SAE AMS5566M Page 3 of 7 3.1.1 Check Analysis Composition variations shall meet the applicable requirements of AMS2248. 3
16、.2 Condition Cold drawn, and pickled as required or passivated. 3.3 FabricationTubing shall be produced either by a seamless and drawn or by a welded and drawn process. The specified tensile properties shall be obtained by cold working and not by heat treatment (annealing). Surface finishes may be p
17、roduced by pickling, bright annealing prior to the last cold-drawn pass, or any method which will provide the required surface condition and which will not affect limits of wall thickness or corrosion resistance, with the exception that centerless grinding is not acceptable. A light polish to improv
18、e external surface appearance may be employed after cold drawing and, if performed, the product shall be subsequently passivated.3.3.1 Welded (Type 2) tubing shall be cold reduced after welding to remove any dimensional indication of the presence of the weld. 3.4 Properties Tubing shall conform to t
19、he following requirements; tensile testing shall be performed in accordance with ASTM A 370: 3.4.1 Tensile Properties Shall be as shown in Table 2. TABLE 2A - TENSILE PROPERTIES, INCH/POUND UNITS Nominal ODInchesNominal Wall ThicknessInch Tensile StrengthksiYield Strengthat 0.2% OffsetksiElongationi
20、n 2 Inches (Full Tube) %, min Up to 0.125, incl All 95.0 to 130 - - Over 0.125 to 0.188, incl Up to 0.016, incl 95.0 to 130 60.0 to 90.0 20 Over 0.016 95.0 to 130 60.0 to 90.0 25 Over 0.188 All 105 to 140 75.0 to 110 20 TABLE 2B - TENSILE PROPERTIES, SI UNITS Nominal ODMillimetersNominal Wall Thickn
21、essMillimetersTensileStrengthMPaYield Strengthat 0.2% Offset MPaElongationin 50.8 mm (Full Tube) %, min Up to 3.18, incl All 655 to 896 - - Over 3.18 to 4.78, incl Up to 0.41, incl 655 to 896 414 to 621 20 Over 0.41 655 to 896 414 to 621 25 Over 4.78 All 724 to 965 517 to 758 20 3.4.2 Flarability Tu
22、bing shall withstand flaring at room temperature, without formation of cracks or other visible defects, by being forced axially with steady pressure over a hardened and polished tapered steel pin having a 74-degree included angle to produce a flare having a permanent expanded OD not less than specif
23、ied in Table 3. SAE AMS5566M Page 4 of 7 TABLE 3A - MINIMUM FLARABILITY, INCH/POUND UNITS Nominal OD InchesExpanded OD InchesNominal OD InchesExpanded OD Inches0.1250.1880.2500.3120.3750.5000.6250.2000.3020.3590.4210.4840.6560.7810.7501.0001.2501.5001.7502.0002.5003.0000.9371.1871.5001.7212.1062.356
24、2.8563.356TABLE 3B - FLARABILITY, SI UNITS Nominal OD MillimetersExpanded OD MillimetersNominal OD MillimetersExpanded OD Millimeters3.18 4.78 6.35 7.92 9.52 12.7015.885.08 7.67 9.12 10.6912.2916.6619.8419.0525.4031.7538.1044.4550.8063.5076.2023.8030.1538.1043.7153.4959.8472.5485.243.4.2.1 Tubing wi
25、th nominal OD between any two standard sizes given in 3.4.2 shall take the same percentage flare as shown for the larger of the two sizes. 3.4.3 Pressure Test The tubing shall show no bulges, leaks, pinholes, cracks, or other defects when subjected to an internal hydrostatic pressure (P), except tha
26、t a diametric permanent set of 0.002 inch per inch (0.002 mm/mm) of diameter is acceptable. The hydrostatic pressure (P) shall be determined from Equation 1: 2222DdPSDd=+(Eq. 1)where:P = Test pressure in ksi (MPa) S = Minimum yield strength from Table 2 or 60.0 ksi (414 MPa), whichever is smaller D
27、= Nominal OD d = Nominal ID 3.4.4 Susceptibility to Intergranular Attack Specimens from tubing, taken to include the weld for Type 2, shall pass the intergranular corrosion acid test performed in accordance with ASTM A 262, Practice E. Samples shall be taken after solution heat treatment but prior t
28、o cold working. 3.4.5 Average Grain Size Shall be ASTM No. 5 or finer, determined in accordance with ASTM E 112 on a transverse section polished and electrolytically etched in a 10% oxalic acid solution. SAE AMS5566M Page 5 of 7 3.4.6 Macro-Etching Tubing, 0.625 inch (15.88 mm) and under in nominal
29、OD, shall withstand immersion for 1 hour in a solution containing 10% nitric acid and 2% hydrofluoric acid by weight at 140 F 5 (60 C 3) without formation of a pebbly appearance on either ID or OD surface. In case of question as to the acceptability of the surface appearance produced by etching, the
30、 tubing shall be considered satisfactory provided requirements of 3.4.4 are met. 3.5 QualityTubing, as received by purchaser, shall be uniform in quality and condition and shall have a finish conforming to the best practice for high quality aircraft tubing. It shall be smooth, and free from grease,
31、oil and other foreign matter, heavy scaleor oxide, burrs, seams, tears, grooves, laminations, slivers, pits, and other imperfections detrimental to usage of the tubing. Surface imperfections, such as handling marks, straightening marks, light mandrel and die marks, shallow pits, and scale pattern, w
32、ill not be considered injurious if the imperfections are removable within the tolerances specified for wall thickness but removal of such imperfections is not required. 3.5.1 Tubing shall be free from grease or other foreign matter. Metallic flakes or particles shall not be collected by a clean, whi
33、te cloth drawn through the length of the bore of a test sample. Discoloration of the cloth, without the presence of flakes or particles, is acceptable. 3.5.2 When specified, tubing shall be subjected to fluorescent penetrant inspection in accordance with ASTM E 1417 ultrasonic inspection in accordan
34、ce with AMS2634, to electromagnetic (eddy-current) inspection in accordance with ASTM E 426, or to any combination thereof. Tubing shall meet the requirements of 3.5 and other acceptance criteria established by the cognizant engineering organization (See 8.4). 3.6 Tolerances Shall conform to all app
35、licable requirements of AMS2243. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of tubing shall supply all samples for vendors tests and shall be responsible for the performance of all required tests. Purchaser reserves the right to sample and to perform any confirmator
36、y testing deemed necessary to ensure that the tubing conforms to specified requirements. 4.2 Classification of Tests 4.2.1 Acceptance Tests Composition (3.1), tensile properties (3.4.1), susceptibility to intergranular attack (3.4.4), average grain size (3.4.5), and tolerances (3.6) are acceptance t
37、ests and shall be performed on each heat or lot as applicable. 4.2.2 Periodic Tests Flarability (3.4.2), pressure test (3.4.3), and macro-etching (3.4.6) are periodic tests and shall be performed at a frequency selected by the vendor unless frequency of testing is specified by purchaser. 4.3 Samplin
38、g and Testing Shall be in accordance with AMS2371 and the following: 4.3.1 Specimens for flarability (3.4.2) test shall be full tubes or sections cut from a tube. The end of the specimen to be flared shall be cut square, with the cut end smooth and free from burrs, but not rounded. SAE AMS5566M Page
39、 6 of 7 4.4 Reports The vendor of tubing shall furnish with each shipment a report showing the results of tests for composition of each heat and for tensile properties and average grain size of each lot, and stating that the tubing conforms to the other technical requirements. This report shall incl
40、ude the purchase order number, heat and lot numbers, AMS5566M, size, and quantity.4.5 Resampling and Retesting Shall be in accordance with AMS2371. 5. PREPARATION FOR DELIVERY 5.1 Sizes Except when exact lengths or multiples of exact lengths are ordered, straight tubing will be acceptable in mill le
41、ngths of 6 to 20 feet (1.8 to 6.1 mm) but not more than 10% of any shipment shall be supplied in lengths shorter than 10 feet (3 m). 5.2 IdentificationShall be in accordance with AMS2807.5.3 PackagingTubing shall be prepared for shipment in accordance with commercial practice and in compliance with
42、applicable rules and regulations pertaining to the handling, packaging, and transportation of the tubing to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders
43、. 7. REJECTIONS Tubing not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8. NOTES 8.1 A change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have
44、 been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 Terms
45、used in AMS are clarified in ARP1917. 8.3 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary: dimensions and properties in SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information
46、. SAE AMS5566M Page 7 of 7 8.4 Purchase documents should specify not less than the following: AMS5566MType of tubing desired Size of tubing desired Quantity of tubing desired Methods for nondestructive testing and standards for acceptance, if required (See 3.5.2). 8.5 Similar Specifications MIL-T-6845 is listed for information only and shall not be construed as an acceptable alternate unless all requirements of this AMS are met. PREPARED BY AMS COMMITTEE “F“
