1、AEROSPACE MATERIAL SPECIFICATIONAMS 4574EIssued MAY 1948Revised MAY 2003Superseding AMS 4574DNickel-Copper Alloy, Corrosion Resistant, Tubing, Seamless67Ni - 31CuAnnealed(Composition similar to UNS N04400)1. SCOPE:1.1 Form: This specification covers a corrosion-resistant nickel-copper alloy in the f
2、orm of seamless tubing.1.2 Application: This product has been used typically for fluid lines, such as primer and fuel lines, requiring corrosion resistance with relatively high strength, but usage is not limited to such applications.2. APPLICABLE DOCUMENTS: The issue of the following documents in ef
3、fect 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 document has been cancelled and no superseding document has been s
4、pecified, the last published issue of that document shall apply.2.1 SAE Publications: Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001 or www.sae.org.AMS 2263 Tolerances, Nickel, Nickel Alloy, and Cobalt Alloy TubingAMS 2269 Chemical Check Analysis Limits, Wrought Nickel, Nickel
5、 Alloys, and Cobalt AlloysAMS 2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging StockSAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences.
6、The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, re
7、vised, or cancelled. SAE invites your written comments and suggestions. Copyright 2008 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or o
8、therwise, 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) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org Reaffirmed MAY 2008Copyright SAE International Provided by IH
9、S under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 4574E SAE AMS 4574E- 2 -2.2 ASTM Publications: Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959 or www.astm.org.ASTM E 8 Tension Testing of Metallic MaterialsAST
10、M E 8M Tension Testing of Metallic Materials (Metric)ASTM E 76 Chemical Analysis of Nickel-Copper Alloys3. 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 76 or by spectrochemical or ot
11、her analytical methods acceptable to purchaser.3.1.1 Check Analysis: Composition variations shall meet the applicable requirements of AMS 2269.3.2 Condition: Cold drawn and annealed.3.3 Properties: Tubing shall conform to the following requirements:3.3.1 Tensile Properties: Shall be as shown in Tabl
12、e 2, determined in accordance with ASTM E 8 or ASTM E 8M.TABLE 1 - CompositionElement min maxCarbon - 0.3Manganese - 2.0Silicon - 0.5Sulfur - 0.024Copper 28.0 34.00Iron - 2.5Nickel remainderTABLE 2 - Tensile PropertiesProperty ValueTensile Strength, maximum 85 ksi (586 MPa)Elongation in 2 inches (50
13、.8 mm) or 4D, minimum 32%Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 4574E SAE AMS 4574E- 3 -3.3.2 Flarability: Tubing shall withstand flaring, without formation of cracks or other visible de
14、fects, by being forced, at room temperature, 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 shown in Table 3.3.3.2.1 Tubing with nominal OD between any two standard sizes sh
15、own in Table 3 shall take the same percentage flare as shown for the larger of the two sizes.3.3.3 Pressure Test: Tubing shall show no bulges, leaks, pinholes, cracks, or other defects when subjected to an internal hydrostatic pressure (P), calculated from equation 1.(Eq. 1)where, P = Test pressureS
16、 = 17.5 ksi (121 MPa)t = Minimum wall thicknessD = Nominal ODTABLE 3A - Minimum Expanded OD, Inch/Pound UnitsNominal ODInchesExpanded ODInchesNominal ODInchesExpanded ODInches0.125 0.200 1.000 1.1870.188 0.290 1.250 1.5000.250 0.359 1.500 1.7210.312 0.421 1.750 2.1060.375 0.484 2.000 2.3560.500 0.65
17、6 2.500 2.8560.625 0.781 3.000 3.3560.750 0.937TABLE 3B - Minimum Expanded OD, SI UnitsNominal ODMillimetersExpanded ODMillimetersNominal ODMillimetersExpanded ODMillimeters3.18 5.08 25.40 30.154.78 7.37 31.75 38.106.35 9.12 38.10 43.717.92 10.69 44.45 53.499.53 12.29 50.80 59.8412.70 16.66 63.50 72
18、.5415.88 19.84 76.20 85.2419.05 23.80Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 4574E SAE AMS 4574E- 4 -3.4 Quality: Tubing, as received by purchaser, shall be uniform in quality and conditi
19、on, sound, and free from foreign materials and from imperfections detrimental to usage of the tubing.3.5 Tolerances: Shall conform to all applicable requirements of AMS 2263.4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The vendor of tubing shall supply all samples for vendors
20、tests and shall be responsible for 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
21、), tensile properties (3.3.1), and tolerances (3.5) are acceptance tests and shall be performed on each heat or lot as applicable.4.2.2 Periodic Tests: Flarability (3.3.2) and pressure test (3.3.3) are periodic tests and shall be performed at a frequency selected by the vendor unless frequency of te
22、sting is specified by purchaser.4.3 Sampling and Testing: Shall be in accordance with AMS 2371 and the following:4.3.1 Specimens for flarability test shall be full tubes or sections cut from tubes. The end of the specimen to be flared shall be cut square, with the cut end smooth and free from burrs,
23、 but not rounded.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 of each lot, and stating that the tubing conforms to the other technical requirements. This report shall include the purch
24、ase order number, heat and lot numbers, AMS 4574E, size, and quantity.4.5 Resampling and Retesting: Shall be in accordance with AMS 2371.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 4574E SAE
25、AMS 4574E- 5 -5. PREPARATION FOR DELIVERY: 5.1 Identification: Tubing shall be identified as follows:5.1.1 Straight Tubes 0.029 Inch (0.74 mm) and Over in Wall Thickness and 0.500 Inch (12.70 mm) and Over in OD, Minor Axis, or Least Width of Flat Surface: Shall be marked in a row of characters recur
26、ring at intervals not greater than 3 feet (914 mm) with AMS 4574E, and manufacturers identification, and nominal wall thickness. The characters shall be of such size as to be legible, shall be applied using a suitable marking fluid, and shall be removable in hot alkaline cleaning solution without ru
27、bbing. The markings shall have no deleterious effect on the tubing or its performance and shall be sufficiently stable to withstand normal handling.5.1.2 Straight Tubes Under 0.029 Inch (0.74 mm) in Wall Thickness or Under 0.500 Inch (12.70 mm) in OD: Shall be securely bundled and identified by a du
28、rable tag marked with the information of 5.1.1 and the nominal OD and attached to each bundle or shall be boxed and the box marked with the same information.5.1.3 Coiled Tubing: Shall be securely bundled and identified by a durable tag marked with the purchase order number, AMS 4574E, heat number, n
29、ominal OD and wall thickness, and manufacturers identification and attached to each coil or shall be boxed and the box marked with the same information.5.2 Packaging: Tubing shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations
30、pertaining to the handling, packaging, and transportation of 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: Material not conformi
31、ng to this specification, or to modifications authorized by purchaser, will be subject to rejection.8. 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
32、 a specification. An (R) symbol to the left of the document title indicates a complete revision of the specification, including technical revision. Change bars and (R) are not used in original publications, nor in specifications that contain editorial changes only.Copyright SAE International Provide
33、d by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 4574E SAE AMS 4574E- 6 -8.2 Dimensions and properties in inch/pound units are primary; dimensions and properties in SI units are shown as the approximate equivalents of the primary u
34、nits and are presented only for information.8.3 Terms used in AMS are clarified in ARP1917.8.4 Purchase documents should specify not less than the following:AMS 4574ESize of tubing desiredQuantity of tubing desired.PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “F”.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
