1、AEROSPACE MATERIAL SPECIFICATIONAMS 4625GSuperseding AMS 4625FPhosphor Bronze Bars, Rods, and Tubing95Cu - 5SnHard Temper(Composition similar to UNS C51000)1. SCOPE:1.1 Form: This specification covers one type of bronze in the form of bars, rods, and tubing.1.2 Application: For parts, such as bushin
2、gs and bearings, requiring low coefficient of friction, moderate strength, and good electrical conductivity. 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 w
3、ork to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been canceled and no superseding document has been specified, the last published issue of that document shall apply.2.1 SAE Publications: Available from SAE, 400 Commonwealth Dr
4、ive, Warrendale, PA 15096-0001.AMS 2221 Tolerances, Copper and Copper Alloy Bars and RodsMAM 2221 Tolerances, Metric, Copper and Copper Alloy Bars and RodsAMS 2223 Tolerances, Copper and Copper Alloy Seamless TubingMAM 2223 Tolerances, Metric, Copper and Copper Alloy Seamless TubingIssued 1946-11 Re
5、vised 2001-05Reaffirmed 2010-10 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 pat
6、ent 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, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2010 SAE International All rights reserved.
7、 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 otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) T
8、el: +1 724-776-4970 (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/AMS4625G Copyright SAE International Provided by IHS under lice
9、nse with SAENot for Resale-,-,-AMS 4625G SAE AMS 4625G- 2 -2.2 ASTM Publications: Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.ASTM B 154 Mercurous Nitrate Test for Copper and Copper AlloysASTM B 249/B 249M General Requirements for Wrought Copper and Copper-Alloy Rod,
10、 Bar, and ShapesASTM B 251 General Requirements for Wrought Seamless Copper and Copper-Alloy TubeASTM B 251M General Requirements for Wrought Seamless Copper and Copper-Alloy Tube (Metric)ASTM B 858M Determination of Susceptibility to Stress Corrosion Cracking in Copper Alloys Using an Ammonia Vapor
11、 TestASTM E 8 Tension Testing of Metallic MaterialsASTM E 8M Tension Testing of Metallic Materials (Metric)ASTM E 54 Chemical Analysis of Special Brasses and Bronzes3. TECHNICAL REQUIREMENTS: 3.1 Composition:Shall conform to the percentages by weight shown in Table 1, determined by wet chemical meth
12、ods in accordance with ASTM E 54, by spectrochemical methods, or by other analytical methods acceptable to purchaser.3.1.1 These composition limits do not preclude the presence of other elements. Limits may be established and analysis required for unnamed elements by agreement between the manufactur
13、er 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.TABLE 1 - CompositionElement (3.1.1) min maxTin 4.2 5.8Phosphorus 0.03 0.35Zinc - 0.30Iron - 0.10Lead - 0.05Copper
14、- (See 3.1.2)Sum of Named Elements (3.1.3) 99.5 -Copyright SAE International Provided by IHS under license with SAENot for Resale-,-,-AMS 4625G SAE AMS 4625G- 3 -3.1.3 When all named elements in Table 1 are analyzed, the sum shall be 99.5% minimum, but such determination is not required for routine
15、acceptance of each lot.3.2 Condition:Cold finished, hard temper (H04) (See 8.2).3.3 Properties:The product shall conform to the following requirements:3.3.1 Tensile Properties: Shall be as specified in Table 2, determined in accordance with ASTM E 8 or ASTM E 8M.TABLE 2A - Minimum Tensile Properties
16、, Inch/Pound UnitsNominal Diameter orDistance Between Parallel Sides, InchesTensileStrengthksiElongationin 4D%RoundsUp to 0.25, excl 80 12Rounds and Hexagons0.25 to 0.50, inclOver 0.50 to 1.00, inclOver 1.00706055132018Squares and RectanglesNominal ThicknessUp to 0.375, inclOver 0.37560551015Tubing,
17、 Nominal ODOver 1.00 55 12Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHSAMS 4625G SAE AMS 4625G- 4 -3.3.2 Embrittlement: Specimens as in 4.3.4 shall withstand, without cracking, immersion in mercurous n
18、itrate solution in accordance with ASTM B 154, Procedure A, or the Ammonia Vapor Test in accordance with ASTM B 858M.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 the
19、 product.3.5 Tolerances:Shall conform to the following:3.5.1 Bars and Rods: AMS 2221 or MAM 2221, as applicable to refractory alloys.3.5.2 Tubing: AMS 2223 or MAM 2223, as applicable to refractory alloys.4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The vendor of the product sh
20、all 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 testing deemed necessary to ensure that the product conforms to the specified requirements.TABLE 2B - Minimum Tensile Pr
21、operties, SI UnitsNominal Diameter orDistance Between Parallel Sides, MillimetersTensileStrengthMPaElongationin 4D%RoundsUp to 6.4, excl 552 12Rounds and Hexagons6.4 to 12.7, inclOver 12.7 to 25.4, inclOver 25.4483414379132018Squares and RectanglesNominal ThicknessUp to 9.52, inclOver 9.524143791015
22、Tubing, Nominal ODOver 25.4 379 12Copyright SAE International Provided by IHS under license with SAENot for Resale-,-,-AMS 4625G SAE AMS 4625G- 5 -4.2 Classification of Tests: All technical requirements of this specification are acceptance tests and shall be performed on each lot.4.3 Sampling and Te
23、sting: Shall be in accordance with the following:4.3.1 Bars and Rods: ASTM B 249 or ASTM B 249M.4.3.2 Tubing: ASTM B 251 or ASTM B 251M.4.3.3 The axis of tensile specimens shall be located approximately midway between center and surface of bars and rods over 1.50 inches (38.1 mm) in nominal diameter
24、 or distance between parallel sides.4.3.4 Specimens for embrittlement testing shall be full cross-section of the product and shall have length of approximately 6 inches (152 mm) or twice the diameter or least distance between parallel sides, whichever is greater.4.4 Reports:The vendor of the product
25、 shall furnish with each shipment a report showing the results of tests on each lot to determine conformance to the technical requirements of this specification. This report shall include the purchase order number, lot number, AMS 4625G, size, and quantity.4.5 Resampling and Retesting: If any specim
26、en used in the above tests fails to meet the specified requirements, 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 the specified requirements shall be cause for rejection o
27、f the product represented. Results of all tests shall be reported.5. PREPARATION FOR DELIVERY: 5.1 Identification:Individual pieces or bundles shall have attached a durable tag or label marked with not less than the purchase order number, AMS 4625G, lot number, and nominal size, or shall be boxed an
28、d 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 applicable rules and regulations pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptan
29、ce and safe delivery.Copyright SAE International Provided by IHS under license with SAENot for Resale-,-,-AMS 4625G SAE AMS 4625G- 6 -6. ACKNOWLEDGMENT:A vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders.7. REJECTIONS:Prod
30、uct not conforming to this specification, 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
31、previous issue of this specification.An (R) symbol to the left of the document title indicates a complete revision of the specification, including technical revisions. Change bars and (R) are not used in original publications, nor in specifications that contain editorial changes only.8.2 Copper temp
32、er designations are defined in ASTM B 601.8.3 Terms used in AMS are clarified in ARP1917.8.4 Dimensions and properties in inch/pound units are primary; dimensions and properties in SI units are shown as the approximate equivalents of the primary units and are presented only for information.8.5 Procu
33、rement documents should specify not less than the following:AMS 4625GForm and size of product desiredQuantity of product desired.8.6 Similar Specifications: Federal QQ-B-750, Alloy C51000, Hard Temper, and ASTM B 139, Hard Temper, are listed for information only and shall not be construed as acceptable alternates unless all requirements of this AMS are met.PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “D“Copyright SAE International Provided by IHS under license with SAENot for Resale-,-,-
