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/AMS4640H AEROSPACE MATERIAL SPECIFICATION AMS4640 REV. H Issued 1940-06 Revised 2011-05Supers
5、eding AMS4640G Aluminum Bronze, Bars, Rods, Shapes, Tubes, and Forgings 81.5Cu - 10.0Al - 4.8Ni - 3.0Fe Drawn and Stress Relieved (HR50) or Temper Annealed (TQ50) (Composition similar to UNS C63000) RATIONALE AMS4640H revises 3.3.3 to correct the proper designation of ASTM B 858, and results from a
6、Five Year Review and update of this specification. 1. SCOPE 1.1 Form This specification covers an aluminum bronze alloy in the form of bars, rods, shapes, tubes, forgings, and forging stock. 1.2 Application These products have been used typically for parts requiring strength and wear resistance at m
7、oderate temperatures, but usage 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 documen
8、t unless a specific 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-
9、0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org. AMS2221 Tolerances, Copper and Copper Alloy Bars and Rods AMS2223 Tolerances, Copper and Copper Alloy Seamless Tubing AMS2808 Identification, Forgings SAE AMS4640H Page 2 of 8 2.2 ASTM Publications Available
10、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 154 Mercurous Nitrate Test for Copper and Copper Alloys ASTM B 249/B 249M General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes, and Forgings A
11、STM B 251 General Requirements for Wrought Seamless Copper and Copper-Alloy Tube ASTM B 251M General Requirements for Wrought Seamless Copper and Copper-Alloy Tube (Metric) ASTM B 858 Ammonia Vapor Test for Determining Susceptibility to Stress Corrosion Cracking in Copper Alloys ASTM E 8/E 8M Tensio
12、n Testing of Metallic Materials ASTM E 478 Chemical Analysis of Copper Alloys 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 478, by spectrochemical methods, or by other analytical me
13、thods acceptable to purchaser. TABLE 1 - COMPOSITION Element (3.1.1) min max Aluminum 9.0 11.0 Nickel 4.0 5.5 Iron 2.0 4.0 Manganese - 1.5 Zinc 0.30Tin 0.20Silicon - 0.25 Copper + Silver (3.1.2) remainder Copper + Silver + Sum of Named Elements (3.1.3) 99.5 - 3.1.1 These composition limits do not pr
14、eclude the presence of other elements. Limits may be established and analysis required for unnamed elements by agreement between the manufacturer or supplier and purchaser. 3.1.2 Copper and silver may be reported as “remainder“, or as the difference between the sum of results for all elements and 10
15、0%, 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 percent minimum, but such determination is not required for routine acceptance of each lot. SAE AMS4640H Page 3 of 8 3.2 Condition The product shall be supplied in the following cond
16、ition: 3.2.1 Bars, Rods, Shapes, and Tubes Hot rolled or extruded, drawn or otherwise cold finished if necessary, and annealed by heating within the range 1100 to 1300 F (593 to 704 C) and cooling in air (HR50 temper - See 8.2). 3.2.2 Forgings Quenched in room temperature water from 1625 F 25 (885 C
17、 14), annealed by heating within the range 1100 to 1300 F (593 to 704 C), and cooling in air (TQ50 temper - See 8.2). 3.2.3 Forging Stock As ordered by the forging manufacturer. 3.3 Properties The product shall conform to the following requirements: 3.3.1 Tensile Properties Shall be as follows, dete
18、rmined in accordance with ASTM E 8/E 8M. 3.3.1.1 Rounds, Hexagons, and Octagons (Bars, Rods and Shapes) Shall be as shown in Table 2. TABLE 2A - MINIMUM TENSILE PROPERTIES, INCH/POUND UNITS Nominal Diameter or Distance Between Parallel Sides Inches Tensile Strength ksi Yield Strength at 0.5% Extensi
19、on Under Load ksi Elongation in 4D % Up to 1.00, incl Over 1.00 to 2.00, incl Over 2.00 to 3.00, incl Over 3.00 to 5.00, incl 110 110 105 100 68.0 60.0 55.0 50.0 10 10 10 10 TABLE 2B - MINIMUM TENSILE PROPERTIES, SI UNITS Nominal Diameter or Distance Between Parallel Sides Millimeters Tensile Streng
20、th MPa Yield Strength at 0.5% Extension Under Load MPa Elongation in 4D % Up to 25.4, incl Over 25.4 to 50.8, incl Over 50.8 to 76.2, incl Over 76.2 to 127.0, incl 758 758 724 689 469 414 379 345 10 10 10 10 SAE AMS4640H Page 4 of 8 3.3.1.2 Flats, Squares, Shapes (Bars), and Tubes Shall be as shown
21、in Table 3. TABLE 3A - MINIMUM TENSILE PROPERTIES, INCH/POUND UNITS Nominal Thickness or OD Inches Tensile Strength ksi Yield Strength at 0.5% Extension Under Load ksi Elongation in 4D % Up to 1.00, incl Over 1.00 to 3.00, incl Over 3.00 100 95.0 90.0 52.0 50.0 48.0 10 10 10 TABLE 3B - MINIMUM TENSI
22、LE PROPERTIES, SI UNITS Nominal Thickness or OD Millimeters Tensile Strength MPa Yield Strength at 0.5% Extension Under Load MPa Elongation in 4D % Up to 25.4, incl Over 25.4 to 76.2, incl Over 76.2 689 655 621 359 345 330 10 10 10 3.3.1.3 Forgings As specified by producer. 3.3.2 Hardness Shall be a
23、s follows or equivalent, determined in accordance with ASTM E 10: 3.3.2.1 Rounds, Hexagons, and Octagons (Bars, Rods and Shapes) Shall be as shown in Table 4. TABLE 4 - HARDNESS Nominal Diameter or Distance Between Parallel Sides Inches Nominal Diameter or Distance Between Parallel Sides Millimeters
24、 Hardness Range Up to 2.00, incl Over 2.00 to 5.00, incl Up to 50.8, incl Over 50.8 to 127.0, incl 201 to 248 HB 187 to 241 HB 3.3.2.2 Flats, Squares, Shapes (Bars), and Tubes Shall be as shown in Table 5. TABLE 5 - HARDNESS Nominal Thickness or OD Inches Nominal Thickness or OD Millimeters Hardness
25、 Range Up to 3.00, incl Over 3.00 Up to 76.2, incl Over 76.2 187 to 241 HB 183 to 241 HB SAE AMS4640H Page 5 of 8 3.3.2.3 Forgings Shall have hardness of 201 to 248 HB. 3.3.3 Embrittlement Specimens as in 4.3.1.2, 4.3.2.2, and 4.3.3.1 shall withstand, without cracking, the mercurous nitrate test per
26、formed in accordance with ASTM B 154, Procedure A, or the Ammonia Vapor Test performed in accordance with ASTM B 858. 3.4 Quality The product, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from imperfections detrimental to usage of th
27、e product. 3.5 Tolerances Shall conform to the following as applicable to refractory alloys: 3.5.1 Bars and Rods AMS2221. 3.5.2 Tubes AMS2223. 3.5.3 Shapes As agreed upon by purchaser and vendor. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of the product shall supply
28、 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 testing deemed necessary to ensure that the product conforms to specified requirements. 4.2 Classification of Tests All technical
29、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, Rods, and Shapes Shall be in accordance with ASTM B 249/B 249M and the following: SAE AMS4640H Page 6 of 8 4.3.1.1 Specimens for tensile testing of ba
30、rs, rods, and shapes over 1.50 inches (38.1 mm) in nominal diameter or distance between parallel sides shall have their axes located approximately midway between center and surface. 4.3.1.2 Specimens for embrittlement test shall be full cross-section of the product and shall have length of approxima
31、tely 6 inches (152 mm) or twice the diameter or least distance between parallel sides, whichever is greater. 4.3.2 Tubes Shall be in accordance with ASTM B 251 or ASTM B 251M and the following: 4.3.2.1 Specimens for tensile testing of tubes shall be taken with the axis of specimens located at the ap
32、proximate midwall. 4.3.2.2 Specimens for embrittlement test shall be taken as in 4.3.1.2. 4.3.3 Forgings Two samples from each lot; a lot shall be all forgings of one part number processed consecutively under the same fixed forging parameters and presented for vendors inspection at one time. 4.3.3.1
33、 Specimens for embrittlement test shall be of any convenient size and shape agreed upon by purchaser and vendor or an entire forging may be used. 4.3.4 Forging Stock As agreed upon by purchaser and vendor. 4.4 Reports 4.4.1 The vendor of bars, rods, shapes, tubes, and forgings shall furnish with eac
34、h shipment a report showing the results of tests for chemical composition of each melt and for tensile properties and hardness of each lot and stating that the product conforms to the other technical requirements. This report shall include the purchase order number, lot number, AMS4640H, size or par
35、t number, and quantity. If forgings are supplied, part number and the size and melt source of stock used to make the forgings shall also be included. 4.4.2 The vendor of forging stock shall furnish with each shipment a report stating that the chemical composition of the stock conforms to specified r
36、equirements. This report shall include the purchase order number, AMS4640H, melt number, size, and quantity. 4.5 Resampling and Retesting If any specimen used in the above tests fails to meet specified requirements, disposition of the product may be based on the results of testing two additional spe
37、cimens 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 reported. SAE AMS4640H Page 7 of 8 5. PREPARATION FOR DELIVERY 5.1 Identification Shall be as follows:
38、 5.1.1 Bars, Rods, Shapes, and Tubes Individual pieces or bundles shall have attached a durable tag marked with not less than the purchase order number, AMS4640H, and nominal size or configuration number or shall be boxed and the box marked with the same information. 5.1.2 Forgings In accordance wit
39、h AMS2808. 5.1.3 Forging Stock As agreed upon by purchaser and vendor. 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 e
40、nsure 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 specification, or to modifications authorized by purchaser, wi
41、ll 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 document title indicates
42、 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 Terms used in AMS are clarified in ARP1917. 8.4 Dimensio
43、ns and properties in inch/pound units and the Fahrenheit temperatures are primary; dimensions and properties in Sl units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information. SAE AMS4640H Page 8 of 8 8.5 Purchase documents
44、should specify not less than the following: AMS4640H Product form and size or part number of product desired Quantity of product desired. 8.6 Similar Specifications ASTM B 124 and ASTM B 150 are 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 “D“
