1、AEROSPACE MATERIAL SPECIFICATION AMS7913 REV. D Issued 1997-09 Revised 2015-01 Superseding AMS7913C Aluminum-Beryllium Alloy, Sheet and Plate 38Al - 62Be RATIONALE AMS7913D results from a Five Year Review and update of this specification. 1. SCOPE 1.1 Form This specification covers an aluminum-beryl
2、lium alloy in the form of sheet and plate consolidated from powder by extrusion and then rolled. 1.2 Application These products have been used typically for parts requiring high thermal conductivity, low density, and high modulus of elasticity, but usage is not limited to such applications. 1.3 Safe
3、ty - Hazardous Materials While the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards that may be involved in such use. It is the sole responsibility of the user to
4、ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved. 1.3.1 WARNING Inhaling dust or fumes containing beryllium may cause chronic beryllium disease, a serious chronic lung dis
5、ease, in some individuals. Over time, lung disease can be fatal. Read the product specific Safety Data Sheet (SDS) for additional environmental, health and safety information before working with beryllium or beryllium-containing materials. 2. APPLICABLE DOCUMENTS The issue of the following documents
6、 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 referenced document has been cancelled and no superseding document has
7、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 engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability
8、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 revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions.
9、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, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUME
10、NT 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 feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AMS7913D S
11、AE INTERNATIONAL AMS7913D Page 2 of 7 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 (outside USA, www.sae.org. AMS2806 Identification, Bars, Wire, Mechanical Tubing, and Extrusions,
12、Carbon and Alloy Steels and Corrosion and Heat-Resistant Steels and Alloys 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 B311 Density Determination for Powder Metallurgy (P/M) Mat
13、erials Containing Less Than Two Percent Porosity ASTM E8 / E8M Tension Testing of Metallic Materials 2.3 ANSI Publications Available from American National Standards Institute, 25 West 43rd Street, 4th Floor, New York, NY 10036, Tel: 212-642-4900, www.ansi.org. ANSI H35.2 Dimensional Tolerances for
14、Aluminum Mill Products 2.4 ASME Publications Available from ASME, P.O. Box 2900, 22 Law Drive, Fairfield, NJ 07007-2900, Tel: 800-843-2763 (U.S./Canada), 001-800-843-2763 (Mexico), 973-882-1170 (outside North America), www.asme.org. ASME B46.1 Surface Texture ASME Y14.5M Dimensioning and Tolerancing
15、 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the percentages by weight shown in Table 1; beryllium shall be determined by wet analysis (titration) or optical emission spectroscopy, oxygen by inert gas fusion, and other elements by spectrochemical methods or by other analytical methods
16、 acceptable to purchaser. Table 1 - Composition Element min max Aluminum (3.1.1) - - Beryllium 60.0 64.0 Oxygen - 1.0 Carbon (3.1.2) - 0.1 Other Elements, each (3.1.2) - 0.2 3.1.1 Aluminum content by balance. 3.1.2 Determination is not required for routine analysis. 3.2 Condition Extruded, hot rolle
17、d, stress relieved, and ground. SAE INTERNATIONAL AMS7913D Page 3 of 7 3.2.1 Surface Finish The product shall be furnished with an as-ground surface. The standard surface finish shall be no greater than 110 Ra 125 microinches (3.2 m), determined in accordance with ASME B46.1. 3.3 Heat Treatment Prod
18、uct shall be stress relieved by heating to 1100 F 45 (593 C 25), holding at heat for 24 hours 2, and cooling to room temperature. 3.4 Properties The product shall conform to the following requirements: 3.4.1 Tensile Properties In-plane transverse and longitudinal tensile properties for product up to
19、 and including 0.250 inch (6.35 mm) thick shall be as shown in Table 2, determined in accordance with ASTM E8 / E8M with the rate of strain set at 0.005 inch/inch/minute (0.005 mm/mm/minute) and maintained within a tolerance of 0.002 inch/inch/minute (0.002 mm/mm/minute) through the 0.2% offset yiel
20、d strain and may be increased thereafter to 0.05 inch/inch/minute (0.05 mm/mm/minute). Table 2 - Minimum in-plane tensile properties Property Value Tensile Strength 56 ksi (386 MPa) 2% Offset Yield Strength 40.0 ksi (276 MPa) Elongation (in 1 Inch) 5.0% 3.4.1.1 Properties for plate shall be as agree
21、d upon between purchaser and producer. 3.4.2 Density Starting stock for rolling shall be within the range 0.0748 to 0.0767 pound per cubic inch (2.071 to 2.122 g/cm3), determined using a water displacement method in accordance with ASTM B311. 3.5 Quality The product, as received by purchaser, shall
22、be uniform in quality and condition and shall be free from imperfections detrimental to usage. 3.6 Tolerances Shall conform to the following dimensional tolerances in accordance with ASME Y14.5M, unless otherwise specified by agreement between purchaser and producer. SAE INTERNATIONAL AMS7913D Page
23、4 of 7 3.6.1 Width and/or Length Shall be as shown in Table 3. Table 3A - Width and/or length tolerances, inch/pound units Width and/or Length Inches Tolerances Inch Up to 20, incl +0.125, -0 Over 20 +0.250, -0 Table 3B - Width and/or length tolerances, SI units Width and/or Length mm Tolerances mm
24、Up to 508, incl +3.175, -0 Over 508 +6.350, -0 3.6.2 Thickness Tolerances Shall be as shown in Table 4. Table 4A - Thickness tolerances, inch/pound units Thickness, Inch Tolerances, Inch 0.020 to 0.025, incl 0.003 Over 0.025 to 0.034, incl 0.004 Over 0.034 to 0.056, incl 0.005 Over 0.056 0.006 TABLE
25、 4B - Thickness tolerances, SI units Thickness, mm Tolerances, mm 0.508 to 0.635, incl 0.076 Over 0.635 to 0.864, incl 0.102 Over 0.864 to 1.422, incl 0.127 Over 1.422 0.152 3.6.2.1 Thickness measurements on any plate 1.0 inch (25 mm) and over in width shall not be conducted within 0.250 inch (6.35
26、mm) from any edge. There shall be no restriction of thickness measurement location for sheet or plate under 1.0 inch (25.4 mm) wide. SAE INTERNATIONAL AMS7913D Page 5 of 7 3.6.3 Flatness Shall be as shown in Table 5, determined at room temperature in accordance with methods described in ANSI H35.2.
27、Measurements will not be made within 0.250 inch (6.35 mm) from any edge on components under 12 12 inches (305 305 mm). Table 5A - Flatness tolerances, inch/pound units Tolerances Ranges of Distance from Center to Center of Buckles or Edgewaves Tolerances Ranges of Distance from Center to Center of B
28、uckles or Edgewaves Tolerances Ranges of Distance from Center to Center of Buckles or Edgewaves Tolerances Ranges of Distance from Center to Center of Buckles or Edgewaves Tolerances Ranges of Distance from Center to Center of Buckles or Edgewaves Specified Thickness Up to 2 feet, inclusive Over 2 t
29、o 3 feet, inclusive Over 3 to 4 feet, inclusive Over 4 to 6 feet, inclusive Over 6 feet 0.020 to 0.064 inch, inclusive 0.1875 inch 0.1875 inch 0.3125 inch 0.375 inch 0.500 inch Over 0.064 to 0.250 inch, inclusive 0.1875 inch 0.3125 inch 0.375 inch 0.500 inch 0.5625 inch Over 0.250 inch 0.250 inch in
30、 any 6 feet or less 0.250 inch in any 6 feet or less 0.250 inch in any 6 feet or less 0.250 inch in any 6 feet or less 0.250 inch in any 6 feet or less Table 5B - Flatness tolerances, SI units Tolerances Ranges of Distance from Center to Center of Buckles or Edgewaves Tolerances Ranges of Distance f
31、rom Center to Center of Buckles or Edgewaves Tolerances Ranges of Distance from Center to Center of Buckles or Edgewaves Tolerances Ranges of Distance from Center to Center of Buckles or Edgewaves Tolerances Ranges of Distance from Center to Center of Buckles or Edgewaves Specified Thickness Up to 0
32、.61 m, inclusive Over 0.61 to 0.91 m, inclusive Over 0.91 to 1.22 m, inclusive Over 1.22 to 1.83 m, inclusive Over 1.83 m 0.508 to 1.626 mm, inclusive 4.76 mm 4.76 mm 7.94 mm 9.53 mm 12.70 mm Over 1.626 to 6.35 mm, inclusive 4.76 mm 7.94 mm 9.53 mm 12.70 mm 14.29 mm Over 6.35 mm 6.35 mm in any 1.83
33、m or less 6.35 mm in any 1.83 m or less 6.35 mm in any 1.83 m or less 6.35 mm in any 1.83 m or less 6.35 mm in any 1.83 m or less 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The producer of the product shall supply all samples for producers tests and shall be responsible for th
34、e 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 requirements are acceptance tests and shall be performed on ea
35、ch lot. SAE INTERNATIONAL AMS7913D Page 6 of 7 4.3 Sampling and Testing Shall be in accordance with the following: a lot shall be all sheet or plate manufactured from a specific powder blend and rolling session in the same condition. Mechanical properties may be determined from a sample shape (compo
36、nent) or from material produced as an integral part of a shape (component) from the lot. 4.3.1 Composition One or more samples from each powder blend (See 8.2.3). 4.3.2 Tensile Properties Not less than one longitudinal and one transverse sheet specimen from each lot at any location. 4.3.3 Dimensions
37、 Each part, unless a sampling plan has been agreed upon by purchaser and producer. 4.4 Reports The producer of the product shall furnish with each shipment a report showing the results of tests for composition and tensile properties of each lot and stating that the product conforms to the other tech
38、nical requirements. This report shall include the purchase order number, lot number, powder blend number, AMS7913D, serial numbers, and quantity. 4.5 Resampling and Retesting If a valid test on any specimen, used in testing herein, fails to meet specified requirements, disposition of the product may
39、 be based on the results of testing two additional specimens for each nonconforming specimen except that, unless prohibited by purchaser, producer may rework and/or reheat treat the product and retest. Upon retesting, failure of any retest specimen to meet specified requirements shall be cause for r
40、ejection of the product represented. Results of all tests shall be reported. 4.5.1 Resubmittal of Rejected Lots Lots rejected for failure to meet specified requirements may be submitted for retesting provided the producer has reworked the lots as necessary to correct the deficiencies or when 100% in
41、spection confirms removal of nonconforming details. 5. PREPARATION FOR DELIVERY 5.1 Identification In accordance with AMS2806. 5.2 Packaging The product shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulators pertaining to the hand
42、ling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A producer shall include this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS Product not conforming to this speci
43、fication, or to modifications authorized by purchaser, will be subject to rejection. SAE INTERNATIONAL AMS7913D Page 7 of 7 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 t
44、o the previous issue of this 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 Terms used in AMS
45、are clarified in ARP1917 and as follows: 8.2.1 Thickness of Sheet 0.020 to 0.250 inch (0.51 to 6.35 mm), incl. 8.2.2 Thickness of Plate Over 0.250 inch (6.35 mm). 8.2.3 A powder blend is comprised of thoroughly intermingled powders of the same nominal composition. 8.3 Dimensions and properties in in
46、ch/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. 8.4 Purchase documents should specify not less than the following: AMS7913D Product form and size of product desired Quantity of product desired. PREPARED BY AMS COMMITTEE “G”
