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/AMS4590C AEROSPACE MATERIAL SPECIFICATION AMS4590 REV. C Issued 1977-01 Revised 2
5、009-07 Reaffirmed 2015-09 Superseding AMS4590B Extrusions, Nickel-Aluminum Bronze, Martensitic 78.5Cu 10.5Al 5.1Ni 4.8Fe Quenched and Tempered (TQ50) (Composition similar to UNS C63020) RATIONALE AMS4590C has been reaffirmed to comply with the SAE five-year review policy. 1. SCOPE 1.1 Form This spec
6、ification covers one type of nickel-aluminum bronze in the form of extruded bars, rods, and tubes. 1.2 Application These extrusions have been used typically for parts requiring a combination of high strength and hardness with some ductility and toughness, but usage is not limited to such application
7、s. 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 referenc
8、ed 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 (o
9、utside USA), www.sae.org. AMS2221 Tolerances, Copper and Copper Alloy Bars and Rods 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 B 249/B 249M General Requirements for Wrought Cop
10、per and Copper-Alloy Rod, Bar, Shapes, and Forgings ASTM E 8E/8M Tension Testing of Metallic Materials ASTM E 18 Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials ASTM E 478 Chemical Analysis of Copper Alloys 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the perc
11、entages by weight shown in Table 1, determined by wet chemical methods in accordance with ASTM E 478, by spectrochemical methods, or by other analytical methods acceptable to purchaser. TABLE 1 - COMPOSITION Element (3.1.1) min max Aluminum 10.0 11.0 Nickel (Including Cobalt) 4.2 6.0 Iron 4.0 5.5 Ma
12、nganese - 1.5 Zinc - 0.30 Tin - 0.25 Cobalt - 0.20 Silicon - 0.15 Chromium - 0.05 Lead - 0.03 Copper - (See 3.1.2) Sum of Named Elements (3.1.3) 99.5 - 3.1.1 These composition limits do not preclude the presence of other elements. Limits may be established and analysis required for unnamed elements
13、by agreement between the manufacturer or supplier and purchaser. 3.1.2 Copper may be reported as “remainder”, or as the difference between the sum of results for all elements and 100%, or as the result of direct analysis. 3.1.3 When all named elements in Table 1 are analyzed, the sum shall be 99.5%
14、minimum, but such determination is not required for routine acceptance of each lot. 3.2 Condition Extruded, quench hardened and temper annealed (TQ50), and straightened. 3.3 Heat Treatment Product shall be hardened by heating to a temperature within the range 1550 to 1650 F (843 to 899 C), holding a
15、t the selected temperature within 25 F (14 C) degrees for not less than 2 hours, and quenching in water and tempered by heating to a temperature within the range 900 to 1000 F (482 to 538 C), holding at the selected temperature within 15 F ( 8 C) degrees for not less than 2 hours, and cooling in air
16、 to room temperature. 3.4 Properties Product 4.00 inches (101.6 mm) and under in nominal diameter or distance between parallel sides shall conform to the following requirements. SAE INTERNATIONAL AMS4590C Page 2 of 5_ 3.4.1 Tensile Properties Shall be specified in Table 2, determined in accordance w
17、ith ASTM ASTM E 8E/8M. TABLE 2A - MINIMUM TENSILE PROPERTIES, INCH/POUND UNITS Nominal Diameter or Distance Between Parallel Sides (bars, rods) Nominal Wall Thickness (tubing) Inches Tensile Strengthksi Yield Strength at 0.2% Offset ksi Elongation in 2 inches or 4D % Up to 1.00, incl 135 100 6 Over
18、1.00 to 2.00, incl 130 95 6 Over 2.00 to 4.00, incl 130 90 6 TABLE 2B - MINIMUM TENSILE PROPERTIES, SI UNITS Nominal Diameter or Distance Between Parallel Sides (bars, rods) Nominal Wall Thickness (tubing) Millimeters Tensile StrengthMPa Yield Strength at 0.2% Offset MPa Elongation in 50.8 mm or 4D
19、% Up to 25.4, incl 931 689 6 Over 25.4 to 50.8, incl 896 655 6 Over 50.8 to 101.6, incl 896 621 6 3.4.2 Hardness Shall be not lower than 26 HRC, or equivalent, determined in accordance with ASTM E 18. 3.5 Quality The product, as received by purchaser, shall be uniform in quality and condition, sound
20、, and free from foreign materials and from imperfections detrimental to usage of the product. 3.6 Tolerances Shall be in accordance with AMS2221 as applicable to refractory alloys. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of the product shall supply all samples fo
21、r vendors 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 product conforms to the specified requirements. 4.2 Classification of Tests All technical requirement
22、s of this specification are acceptance tests and shall be performed on each lot. 4.3 Sampling and Testing Shall be in accordance with ASTM B 249/B 249M. SAE INTERNATIONAL AMS4590C Page 3 of 5_ 4.4 Reports The vendor of the product shall furnish with each shipment a report showing the results of test
23、s for chemical composition, tensile properties, and hardness of each lot. This report shall include the purchase order number, lot number, AMS4590C, size or section identification number, and quantity. 4.5 Resampling and Retesting If any specimen used in the above tests fails to meet the specified r
24、equirements, disposition of the product may be based on the results of testing three additional specimens for each original nonconforming specimen. Failure of any retest specimen to meet specified requirements shall be cause for rejection of the product represented. Results of all tests shall be rep
25、orted. 5. PREPARATION FOR DELIVERY 5.1 Identification 5.1.1 Each straight bar, rod, and tube over 0.500 inch (12.70 mm) in nominal OD or least width of flat surface shall be marked in a row of characters recurring at intervals not greater than 3 feet (914 mm) with AMS4590C, lot number, and manufactu
26、rers identification. 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 rubbing. The markings shall have no deleterious effect on the product or its performance and shall be sufficie
27、ntly stable to withstand normal handling. 5.1.2 All straight extrusions other than those of 5.1.1 shall be securely bundled and identified by a durable tag marked with the purchase order number, AMS4590C, lot number, nominal size, and manufacturers identification and attached to each bundle or shall
28、 be boxed and the box marked with the same information. 5.2 Packaging The product 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 product to ensure carrier a
29、cceptance 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 Extrusions not conforming to this specification, or to modifications authorized by purchaser, will be subjec
30、t 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 document title indicates a complete
31、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 Copper temper designations are defined in ASTM B 601. SAE INTERNATIONAL AMS4590C Page 4 of 5_ 8.3 Terms used in AMS are clarif
32、ied in ARP1917. 8.4 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. 8.5 Purchase documents should specify not less than the following: AMS4590C Form and size or section identification number of extrusions desired Quantity of extrusions desired. PREPARED BY AMS COMMITTEE “D” SAE INTERNATIONAL AMS4590C Page 5 of 5_
