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 2011 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/AMS4597A AEROSPACE MATERIAL SPECIFICATION AMS4597 REV. A Issued 2006-08 Revised 2011-12 Super
5、seding AMS4597 Copper-Nickel-Tin Alloy, Bars and Rods 77Cu - 15Ni - 8Sn Solution Annealed, Cold Finished and Spinodal Hardened (TX TS) (Composition similar to UNS C72900)RATIONALE AMS4597A revises Condition (3.2.1) and increases the applicable size range (Table 2), and is a Five Year Review and upda
6、te of this specification. 1. SCOPE 1.1 Form This specification covers a copper-nickel-tin alloy in the form of bars and rods. 1.2 Application These products have been used typically to fabricate parts requiring high strength, wear resistance and corrosion resistance at moderate temperatures, but usa
7、ge is not limited to such applications. 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
8、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: 877-606-7323 (insi
9、de USA and Canada) or 724-776-4970 (outside USA), www.sae.org. AMS2221 Tolerances, Copper and Copper Alloy Bars and Rods AMS2750 Pyrometry SAE AMS4597A Page 2 of 6 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 61
10、0-832-9585, www.astm.org. ASTM B 249/B249M General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings ASTM E 8/E 8M Tension Testing of Metallic Materials ASTM E 18 Rockwell Hardness of Metallic Materials ASTM E 478 Chemical Analysis of Copper Alloys 3. TECHNICAL REQUIREME
11、NTS 3.1 Composition Shall conform to the percentages by weight shown in Table 1, determined by wet chemical methods in accordance with ASTM B 478, by spectrochemical methods, or by other analytical methods acceptable to purchaser. TABLE 1 - COMPOSITION Element (3.1.1) min max Nickel (+ Cobalt) 14.5
12、15.5 Tin 7.5 8.5 Iron - 0.50Zinc - 0.50Manganese - 0.30Columbium (Niobium) - 0.10Magnesium - 0.15Lead - 0.02Copper (3.1.2) remainder Copper + 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 requi
13、red for unnamed elements 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 the elements in the table are analyzed
14、, the sum shall be 99.5% minimum, but such determination is not required for routine acceptance of each lot. SAE AMS4597A Page 3 of 6 3.2 Condition The product shall be supplied in the following condition: 3.2.1 Bars and Rods Vertically continuous cast, hot rolled or extruded, solution annealed, col
15、d finished, and spinodal hardened to the TX TS temper (See 8.2). 3.3 Heat Treatment Product shall be heat treated as follows; pyrometry shall be in accordance with AMS2750. 3.3.1 Solution Annealing Heat within the range 1450 to 1600 F (788 to 870 C), hold at heat for 60 to 180 minutes and quench in
16、room temperature water. 3.3.2 Spinodal Hardening Heat to 600 to 800 F (315 to 425 C), hold at heat for greater than 1 hour and less than 10 hours, depending on section thickness to meet the property requirements of 3.4, then air cool or quench (TX TS temper, See 8.2). 3.4 Properties The product shal
17、l conform to the following requirements: 3.4.1 Tensile Properties Shall be as shown in Table 2, determined in accordance with ASTM E 8/E 8M. TABLE 2 - MINIMUM TENSILE PROPERTIES Nominal Thickness Between Parallel Sides (bars, rods) Nominal Wall Thickness (tubing) Ultimate Tensile Strength Yield Stre
18、ngth (at 0.2% offset) Elongation in 4D Up to 1.60 inches (40 mm), excl 165 ksi (1137 MPa) 155 ksi (1069 MPa) 6% 1.60 to 3.25 inches (40 to 83 mm), incl 156 ksi (1075 MPa) 148 ksi (1020 MPa) 3% 3.4.2 Hardness 3.4.2.1 Bars and rods shall have a hardness of 34 HRC, or equivalent (See 8.5), determined i
19、n accordance with ASTM E 18. 3.5 Quality The product, as received by purchaser, shall be uniform in quality and condition, sound and free of foreign materials and from imperfections detrimental to the usage of the product. SAE AMS4597A Page 4 of 6 3.6 Tolerances Shall conform to AMS2221 as applicabl
20、e to refractory alloys. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of the product 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 confirmatory te
21、sting deemed necessary to ensure that the product conforms to specified requirements. 4.2 Classification of Tests All technical requirements are acceptance tests and shall be performed on each melt or lot as applicable. 4.3 Sampling and Testing Shall be as follows: 4.3.1 Bars, and Rods Shall be in a
22、ccordance with ASTM B 249/B 249M and the following; a lot shall be all products with the same form, from the same heat, processed at one time through all steps of manufacture. 4.3.1.1 One or more chemical analysis samples from each heat shall be analyzed in accordance with 3.1. 4.3.1.2 One or more l
23、ongitudinal tensile specimens from each lot shall be tested in accordance with 3.4.1. 4.3.1.3 One or more hardness specimens from each lot shall be tested in accordance with 3.4.2. 4.4 Reports 4.4.1 The vendor of bars and rods shall furnish with each shipment a report showing the results of the test
24、s for composition of each heat and for tensile properties and hardness of each lot and stating that the product conforms to the other technical requirements. The report shall include the purchaser order number, heat and lot numbers, AMS4597A, size or part number, and quantity. 4.5 Resampling and Ret
25、esting If any specimen used in the above tests fails to meet the specified requirements, disposition of the product may be based on the results of testing two additional specimens for each original nonconforming specimen. Failure of any retest specimen to meet the specified requirements shall be cau
26、se for rejection of the product represented. Results of all tests shall be reported. SAE AMS4597A Page 5 of 6 5. PREPARATION FOR DELIVERY 5.1 Identification Shall be as follows: 5.1.1 Bars and Rods Individual pieces or bundles shall have attached a durable tag marked with not less than the purchase
27、order number, AMS4597A, and nominal size or configuration number or shall be boxed and the box marked with the same information. 5.2 Packaging 5.2.1 The product shall be prepared for shipment in accordance with commercial practice and in compliance with the applicable rules pertaining to the handlin
28、g, packaging, and transportation of the product 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 Product not conforming to this specificat
29、ion, 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 been made to the previous issue of this document. An (R)
30、 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 Copper temper designations are defined in ASTM B 601. 8.3 Purch
31、aser may specify special combinations of properties such as ductility and fatigue life. These characteristics are achieved by special fabrication and processing and the requirements of 3.4 do not apply to such products that may require tensile properties and hardness limits different from those desi
32、gnated by 3.4. Purchaser and vendor shall agree upon specific technical requirements and testing of these special products. 8.4 Terms used in AMS are clarified in ARP1917. 8.5 Hardness conversion tables for metals are presented in ASTM E 140. 8.6 Dimensions and properties in inch/pound units and the
33、 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. SAE AMS4597A Page 6 of 6 8.7 Purchase documents should specify not less than the following: AMS4597A Product form and size or part number of product desired Quantity of product desired. PREPARED BY AMS COMMITTEE “D”
