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: +1 724-776-4970 (outside US
4、A) 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/AMS5554FAEROSPACEMATERIALSPECIFICATIONAMS5554 REV. F Issued 1957-09 Revised 2011-07 Superseding
5、 AMS5554E Steel, Corrosion and Heat-Resistant, Seamless Tubing 16.5Cr - 4.5Ni - 2.9Mo - 0.10N Annealed(Composition similar to UNS S35000) RATIONALEAMS5554F revises response to heat treatment (3.5.2, Table 2) and results from a Five Year Review and update of this specification.1. SCOPE 1.1 Form This
6、specification covers a corrosion and heat-resistant steel in the form of thin-wall seamless tubing. 1.2 Application This tubing has been used typically for parts, such as fluid lines, requiring high strength and oxidation resistance up to 800 F (427 C), but usage is not limited to such applications.
7、 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. When the referenced
8、 document has been cancelled and no superseding document has been specified, the last published issue of that document shall apply. 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (out
9、side 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 Assurance Sampling and Testing, Corrosion and Heat-R
10、esistant Steels and Alloys, Wrought Products and Forging Stock Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS5554F Page 2 of 5 AMS2634 Ultrasonic Inspection, Thin Wall Metal Tubing AMS2807 I
11、dentification, Carbon and Low-Alloy Steels, Corrosion and Heat-Resistant Steels and Alloys, Sheet, Strip, Plate, and Aircraft Tubing 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM E
12、 8/E 8M Tension Testing of Metallic Materials 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
13、 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 -
14、 Composition Element min max CarbonManganeseSiliconPhosphorusSulfurChromiumNickelMolybdenumNitrogen0.080.50-16.004.002.500.070.121.250.500.0400.03017.005.003.250.133.1.1 Check Analysis Composition variations shall meet the applicable requirements of AMS2248. 3.2 Condition Cold drawn, annealed, and d
15、escaled. 3.3 Fabrication Tubing shall be produced by a seamless process. Any surface finishing operation applied to remove objectionable pits and surface blemishes shall be performed prior to final anneal. A light polish to improve external surface appearance may be employed after solution heat trea
16、tment and, if performed, the product shall be subsequently passivated. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS5554F Page 3 of 5 3.4 Heat Treatment Tubing shall be annealed by heating
17、to 1850 to 1975 F (1010 to 1079 C), holding at the selected temperature within 25 F (14 C) for a time commensurate with cross-sectional wall thickness, and cooling as rapidly as possible to room temperature.3.5 Properties Tubing shall conform to the following requirements: 3.5.1 As Received 3.5.1.1
18、Flarability Specimens as in 4.3.1 from tubing 0.500 to 2.000 inches (12.70 to 50.80 mm), inclusive, in nominal OD shall withstand, without formation of cracks or other visible defects, flaring at room temperature by being forced axially with steady pressure over a hardened and polished tapered steel
19、 pin having a 74-degree included angle to produce a flare having a permanent expanded OD not less than 1.20 times the original nominal OD. 3.5.1.1.1 Flarability requirements for tubing under 0.500 inch (12.70 mm) or over 2.000 inches (50.80 mm) in nominal OD shall be as agreed upon by purchaser and
20、vendor. 3.5.2 Response to Heat Treatment Tubing shall have the following properties after being austenite conditioned by heating to 1710 F 25 (932 C 14), holding at heat for not less than 45 minutes per inch (25 mm) of nominal thickness, and cooling as rapidly as possible to room temperature; cold t
21、reated by cooling to -100 F (-73 C), or lower, holding at this temperature for not less than 1 hour for wall thicknesses up to 0.010 inch (0.25 mm), inclusive, and not less than 3 hours for wall thicknesses over 0.010 inch (0.25 mm), and warming in air to room temperature; and tempered by heating as
22、 specified at 850 F 25 (454 C 14), holding at heat for not less than 3 hours, and cooling in air.3.5.2.1 Tensile Properties Shall be as shown in Table 2, determined in accordance with ASTM E 8/E 8M. TABLE 2 - Minimum Tensile Properties (SCT 850 Condition) Property Value Tensile Strength Yield Streng
23、th at 0.2% Offset Elongation in 2 inches (50.8 mm) 185 ksi (1276 M Pa) 150 ksi (1034 MPa) 8%3.6 Quality Tubing, 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 fr
24、om heavy scale or 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, will not be considered inju
25、rious if the imperfections are removable within the tolerances specified for wall thickness, but removal of such imperfections is not required. 3.6.1 When specified by purchaser, tubing shall be subjected to fluorescent penetrant inspection in accordance with ASTM E 1417, to ultrasonic inspection in
26、 accordance with AMS2634, to electromagnetic (Eddy-Current) examination in accordance with ASTM E 426, or to any combination thereof. Standards for acceptance shall be as established by purchaser. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or netw
27、orking permitted without license from IHS-,-,-SAE AMS5554F Page 4 of 5 3.7 Tolerances Shall conform to all applicable 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 fo
28、r the performance of all required tests. Purchaser reserves the right to sample and to perform any confirmatory 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), nondestructive inspection when
29、specified (3.6.1), and tolerances (3.8) are acceptance tests and shall be performed on each heat or lot as applicable. 4.2.2 Periodic Tests Flarability (3.5.1.1) and tensile properties (3.5.2.1) are periodic tests and shall be performed at a frequency selected by the vendor unless frequency of testi
30、ng is specified by purchaser. 4.3 Sampling and Testing Shall be in accordance with AMS2371 and the following: 4.3.1 Specimens for flarability test (3.5.1.1) 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 fro
31、m burrs, but not rounded. 4.4 Reports The vendor of the product shall furnish with each shipment a report showing the results of tests for composition of each heat and for nondestructive inspection, when specified, and tolerances of each lot, and stating that the product conforms to the other techni
32、cal requirements. This report shall include the purchase order number, heat and lot numbers, AMS5554F, 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, stra
33、ight tubing will be acceptable in mill lengths of 6 to 20 feet (1.8 to 6.1 m) but not more than 10% of any shipment shall be supplied in lengths shorter than 10 feet (3 m). 5.2 Identification Shall be in accordance with AMS2807. Copyright SAE International Provided by IHS under license with SAENot f
34、or ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS5554F Page 5 of 5 5.3 Packaging Tubing shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transpo
35、rtation 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. 7. REJECTIONS Tubing not conforming to this specification, or to modifications au
36、thorized 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 been made to the previous issue of this document. An (R) symbol to the left of the
37、 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 used in AMS are clarified in ARP1917. 8.3 Dimensions and properties in inch/pound u
38、nits 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. 8.4 Purchase documents should specify not less than the following: AMS5554FSize o
39、f tubing desired Quantity of tubing desired Methods for nondestructive testing and standards for acceptance, if required (See 3.6.1). PREPARED BY AMS COMMITTEE “F“ Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
