1、AEROSPACE MATERIAL SPECIFICATION AMS4535 REV. D Issued 1991-07 Reaffirmed 2012-04 Revised 2015-01 Superseding AMS4535C Copper-Beryllium Alloy, Mechanical Tubing 98Cu - 1.9Be Solution and Precipitation Heat Treated (TF00, formerly AT) (Composition similar to UNS C17200) RATIONALE AMS4535D revises Con
2、dition (3.2) and Solution Annealing (3.3.1). 1. SCOPE 1.1 Form This specification covers a copper-beryllium alloy in the form of mechanical tubing. 1.2 Application This tubing has been used typically for parts requiring a combination of high strength, wear resistance, and corrosion resistance and wh
3、ere thermal conductivity, electrical conductivity, and low magnetic susceptibility may be important, but usage is not limited to such applications. 1.3 Safety - Hazardous Materials While the materials, methods, applications, and processes described or referenced in this specification may involve the
4、 use of hazardous materials, this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health an
5、d safety of all personnel involved. 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 issu
6、e 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. _ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineerin
7、g sciences. 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 re
8、vised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2015 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, photo
9、copying, 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 USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide
10、feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AMS4535D SAE INTERNATIONAL AMS4535D Page 2 of 5 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
11、utside USA), www.sae.org. AMS2223 Tolerances, Copper and Copper Alloy Seamless Tubing AMS2750 Pyrometry 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 251 General Requirements for
12、 Wrought Seamless Copper and Copper-Alloy Tube ASTM B 251M General Requirements for Wrought Seamless Copper and Copper-Alloy Tube (Metric) ASTM B 643 Copper-Beryllium Alloy Seamless Tube ASTM E 3 Preparation of Metallographic Specimens ASTM E 8/E 8M Tension Testing of Metallic Materials ASTM E 18 Ro
13、ckwell Hardness of Metallic Materials ASTM E 112 Determining Average Grain Size 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 sp
14、ectrochemical methods, or by other analytical methods acceptable to purchaser. TABLE 1 - Composition Element (3.1.1) min max Beryllium 1.80 2.00 Nickel + Cobalt 0.20 - Nickel + Cobalt + Iron - 0.6 Aluminum - 0.20 Silicon - 0.20 Copper (3.1.2) remainder Sum of Named Elements (3.1.3) 99.5 - 3.1.1 Thes
15、e composition limits do not preclude 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 may be reported as “remainder”, or as the difference between the sum of results for
16、all elements and 100%, or as the result of direct analysis. SAE INTERNATIONAL AMS4535D Page 3 of 5 3.1.3 When all the elements in the table are analyzed, the sum shall be 99.5% minimum, but such determination is not required for routine acceptance of each lot. 3.2 Condition Hot reduced or hot and co
17、ld reduced into a tube, solution and precipitation heat treated; TF00 Temper (See 8.2). Product shall not be produced from solid bar by machining methods. 3.3 Heat Treatment Tubing shall be heat treated as follows; pyrometry shall be in accordance with AMS2750. 3.3.1 Solution Annealing Heat within t
18、he range 1400 to 1475 F (760 to 802 C), hold at heat for a minimum of 30 minutes, and rapidly quench as required. 3.3.2 Precipitation Hardening Heat to 600 to 675 F (316 to 357 C), hold at heat for not less than 3 hours, and cool as required. 3.4 Properties Tubing shall conform to the following requ
19、irements (See 8.3): 3.4.1 Tensile Properties Shall be as specified in Table 2 for tubing 2.00 inches (50.8 mm) and under in nominal wall thickness, determined in accordance with ASTM E 8/E 8M. TABLE 2 - Minimum Tensile Properties Property Value Tensile Strength 161 ksi (1110 MPa) Yield Strength at 0
20、.2% Offset 130 ksi ( 896 MPa) Elongation in 4D 3% 3.4.2 Hardness Tubing 0.188 inch (4.78 mm) and over in nominal wall thickness shall have hardness of 36 to 45 HRC, or equivalent (See 8.4), determined in accordance with ASTM E 18. 3.4.3 Average Grain Size Tubing with an outside diameter to wall thic
21、kness ratio greater than 3.0 shall have average grain size not larger than specified in Table 3, determined in accordance with ASTM E 112. TABLE 3 - Maximum Average Grain Size Nominal Wall Thickness Inches Nominal Wall Thickness Millimeters Grain Size Millimeter Up to 1.00, excl Up to 25.4, excl 0.0
22、50 1.00 to 1.50, excl 25.4 to 38.1, excl 0.075 1.50 to 2.00, excl 38.1 to 50.8, excl 0.100 3.4.4 Microstructure Tubing shall contain not more than 6% beta phase constituent, determined at 100X magnification on specimens prepared in accordance with ASTM E 3. SAE INTERNATIONAL AMS4535D Page 4 of 5 3.5
23、 Quality Tubing, 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 tubing. 3.6 Tolerances Shall conform to AMS2223 as applicable to refractory alloys unless ASTM B 643 or other applicable tol
24、erance specification is specified by purchaser. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of tubing 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
25、any confirmatory testing deemed necessary to ensure that the tubing conforms to specified requirements. 4.2 Classification of Tests All technical requirements are acceptance tests and shall be performed on each heat or lot as applicable. 4.3 Sampling and Testing Shall be in accordance with ASTM B 25
26、1 or ASTM B 251M and the following; a lot shall be all tubing of the same size, from the same heat, processed at one time through all steps of manufacture. 4.3.1 One or more chemical analysis samples from each heat shall be analyzed in accordance with 3.1. 4.3.2 One or more tensile specimens from ea
27、ch lot shall be tested in accordance with 3.4.1. 4.3.3 One or more hardness specimens from each lot shall be tested in accordance with 3.4.2. 4.3.4 One or more specimens from each lot shall be tested in accordance with 3.4.3 for average grain size. 4.3.5 One or more specimens from each lot shall be
28、tested in accordance with 3.4.4 for microstructure. 4.4 Reports The vendor of tubing shall furnish with each shipment a report showing the results of tests on each lot to determine conformance to the technical requirements. This report shall include the purchase order number, heat and lot numbers, A
29、MS4535D, size, and quantity. 4.5 Resampling and Retesting If any specimen used in the above tests fails to meet the specified requirements, disposition of the tubing may be based on the results of testing two additional specimens for each original nonconforming specimen. Failure of any retest specim
30、en to meet the specified requirements shall be cause for rejection of the tubing represented. Results of all tests shall be reported. 5. PREPARATION FOR DELIVERY 5.1 Identification Individual tubes or bundles shall have attached a durable tag legibly marked with not less than the purchase order numb
31、er, lot number, AMS4535D, and nominal size or shall be boxed and the box marked with the same information. SAE INTERNATIONAL AMS4535D Page 5 of 5 5.2 Packaging Tubing shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertain
32、ing to the handling, packaging, and transportation of the 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 Tubing not conforming to
33、 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 this
34、 document. An (R) 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
35、 B 601. 8.3 Hardness conversion tables for metals are presented in ASTM E 140. 8.4 Terms used in AMS are clarified in ARP1917. 8.5 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. 8.6 Purchase documents should specify not less than the following: AMS4535D Size of tubing desired Quantity of tubing desired. PREPARED BY AMS COMMITTEE “D“
