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 reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2013 SAE International All rights reserved. No part of this publication m
3、ay 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 U
4、SA) 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/AMS5575P AEROSPACE MATERIAL SPECIFICATION AMS5575 REV. P Issued 1941-11 Revised 2013-03 Super
5、seding AMS5575N Steel, Corrosion and Heat-Resistant, Welded Tubing 18Cr - 10.5Ni - 0.70Cb (Nb) (347) Solution Heat Treated (Composition similar to UNS S34700) RATIONALE AMS5575P revises Properties (3.4, Table 2) to remove reference to bend testing which is not a requirement in this specification and
6、 to insert minimum tensile strengths using values from ASTM A 249, and is a Five Year Review and update of this specification. 1. SCOPE 1.1 Form This specification covers a corrosion and heat-resistant steel in the form of welded tubing. 1.2 Application This tubing has been used typically for parts
7、requiring both corrosion and heat resistance, especially when subjected to welding, brazing, or other exposure at temperatures over 800 F (427 C) during fabrication, but usage is not limited to such applications. Also has been used for parts requiring oxidation resistance up to 1500 F (816 C) but us
8、eful at that temperature only when stresses are low. 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 speci
9、fic document issue is specified. When the referenced 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: 877-6
10、06-7323 (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 SAE AMS5575P Pag
11、e 2 of 6 AMS 2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging Stock AMS 2634 Ultrasonic Inspection, Thin Wall Metal Tubing AMS 2807 Identification, Carbon and Low-Alloy Steels, Corrosion and Heat-Resistant Steels and Alloys, Sh
12、eet, 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 A 262 Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels ASTM A 3
13、70 Mechanical Testing of Steel Products ASTM E 353 Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Similar Chromium-Nickel-Iron Alloys ASTM E 426 Electromagnetic (Eddy-Current) Examination of Seamless and Welded Tubular Products, Austenitic Stainless Steel and Similar Alloys ASTM
14、 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 - COMP
15、OSITION Element min max Carbon Manganese Silicon Phosphorus Sulfur Chromium Nickel Columbium (Niobium) Tantalum Molybdenum Copper - - 0.30 - - 17.00 9.00 10XC - - 0.08 2.00 1.00 0.040 0.030 19.00 12.00 1.10 0.05 0.75 0.75 3.1.1 Check Analysis Composition variations shall meet the applicable requirem
16、ents of AMS2248. 3.2 Condition Solution heat treated and descaled. SAE AMS5575P Page 3 of 6 3.3 Fabrication Tubing shall be produced by a welded and drawn process. Any surface finishing operation applied to remove objectionable pits and surface blemishes shall be performed prior to final solution he
17、at treatment. A light polish to improve external surface appearance may be employed after solution heat treatment and, if performed, the product shall be subsequently passivated. 3.4 Properties Tubing shall conform to the following requirements; tensile testing shall be performed in accordance with
18、ASTM A 370: 3.4.1 Tensile Properties Shall be as shown in Table 2. TABLE 2A - TENSILE PROPERTIES, INCH/POUND UNITS1Nominal OD Inches Nominal Wall Thickness Inches Tensile Strength ksi Elongation in 2 Inches %, min Strip Elongation in 2 Inches %, min Full Tube Up to 0.188, incl Over 0.188 to 0.500, i
19、ncl Over 0.500 Up to 0.016, incl Over 0.016 Up to 0.010, incl Over 0.010 Up to 0.010, incl Over 0.010 75 to 120 75 to 105 75 to 115 75 to 105 75 to 120 75 to 105 - - 30 30 25 30 33 35 35 35 30 35 1. Minimum tensile properties have been taken from ASTM A 249, and have not been substantiated using the
20、 procedures of SAE/AMS Metals Division. TABLE 2B - TENSILE PROPERTIES, SI UNITS1Nominal OD mm Nominal Wall Thickness mm Tensile Strength MPa Elongation in 50.8 mm %, min Strip Elongation in 50.8 mm %, min Full Tube Up to 4.78, incl Over 4.78 to 12.70, incl Over 12.70 Up to 0.41, incl Over 0.41 Up to
21、 0.25, incl Over 0.25 Up to 0.25, incl Over 0.25 517 to 827 517 to 724 517 to 793 517 to 724 517 to 827 517 to 724 - - 30 30 25 30 33 35 35 35 30 35 1. Minimum tensile properties have been taken from ASTM A 249, and have not been substantiated using the procedures of SAE/AMS Metals Division. SAE AMS
22、5575P Page 4 of 6 3.4.2 Flarability Specimens as in 4.3.1 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 flar
23、e having a permanent expanded OD not less than specified in Table 3. TABLE 3A - FLARABILITY, INCH/POUND UNITS Nominal OD Inches Expanded OD Inches Nominal OD Inches Expanded OD Inches 0.125 0.188 0.250 0.312 0.375 0.500 0.625 0.200 0.302 0.359 0.421 0.484 0.656 0.781 0.750 1.000 1.250 1.500 1.750 2.
24、000 0.937 1.187 1.500 1.721 2.106 2.356 TABLE 3B - FLARABILITY, SI UNITS Nominal OD Millimeters Expanded OD Millimeters 3.18 4.78 6.35 7.92 9.52 12.70 15.88 19.05 25.40 31.75 38.10 44.45 50.80 5.08 7.67 9.12 10.69 12.29 16.66 19.84 23.80 30.15 38.10 43.71 53.49 59.84 3.4.2.1 Tubing with nominal OD b
25、etween any two standard sizes given in Table 3 shall take the same percentage flare as shown for the larger of the two sizes. 3.4.2.2 Flarability requirements for tubing under 0.125 inch (3.18 mm) or over 2.000 inches (50.80 mm) in nominal OD shall be as agreed upon by purchaser and vendor. 3.4.3 Su
26、sceptibility to Intergranular Attack Specimens of tubing taken to include the weld after sensitization treatment, shall pass the intergranular corrosion test performed in accordance with ASTM A 262, Practice E. 3.5 Quality 3.5.1 Tubing, as received by purchaser, shall be uniform in quality and condi
27、tion and shall have a finish conforming to the best practice for high quality aircraft tubing. It shall be smooth and free from scale or oxide, burrs, seams, tears, grooves, laminations, slivers, pits, and other imperfections detrimental to usage of the tubing. Surface imperfections such as handling
28、 marks, straightening marks, light mandrel and die marks, shallow pits, smut and scale pattern will not be considered injurious if the imperfections are removable within the tolerances specified for wall thickness, but removal of such imperfections is not required. SAE AMS5575P Page 5 of 6 3.5.2 If
29、beads are present at the welds on the inner surfaces of tubing over 2.00 inches (50.8 mm) in nominal OD, such beads shall be not thicker than 0.010 inch (0.25 mm). The outer surfaces of all tubing and the inner surfaces of tubing 2.00 inches (50.8 mm) and under in nominal OD shall be free from beads
30、. 3.5.3 When specified by purchaser, tubing shall be subjected to fluorescent penetrant inspection in accordance with ASTM E 1417, to ultrasonic inspection in accordance with AMS2634, to electromagnetic (Eddy-Current) examination in accordance with ASTM E 426, or to any combination thereof. Standard
31、s for acceptance shall be as agreed upon by purchaser and vendor. 3.6 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 for the
32、 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), tensile properties (3.4.1), suscepti
33、bility to intergranular attack (3.4.3), nondestructive inspection when specified (3.5.3), and tolerances (3.6) are acceptance tests and shall be performed on each heat or lot as applicable. 4.2.2 Periodic Tests Flarability (3.4.2) is a periodic test and shall be performed at a frequency selected by
34、the vendor unless frequency of testing 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 (3.4.2) shall be full tubes or sections cut from a tube. The end of the specimen to be flared shall be cut square, wi
35、th the cut end smooth and free from 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 tensile properties, susceptibility to intergranular attack, nondestructive inspection when spe
36、cified, and tolerances of each lot, and stating that the product conforms to the other technical requirements. This report shall include the purchase order number, heat and lot numbers, AMS5575P, size, and quantity. 4.5 Resampling and Retesting Shall be in accordance with AMS2371. SAE AMS5575P Page
37、6 of 6 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 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 Ident
38、ification Shall be in accordance with AMS2807. 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 transportation of the tubing to ensure carrier acceptance and s
39、afe 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 authorized by purchaser, will be subject to rejection. 8.
40、NOTES 8.1 A change bar (|) 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 document title indicates a complete revision of the doc
41、ument, 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 units and the Fahrenheit temperatures are primary; dimens
42、ions 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: AMS5575P Size of tubing desired Quantity of tubing desired Methods for nondestructive testing and standards for acceptance, if required (See 3.5.3). 8.5 Similar Specifications MIL-T-6737 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“
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