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/AMS4472 AEROSPACE MATERIAL SPECIFICATION AMS4472 Issued 2011-06 Aluminum Alloy, Plate 4.0Cu -
5、 1.0Li - 0.40Mg - 0.35Ag - 0.13Zr (2195-T34) Solution Heat Treated and Stress Relieved (Composition similar to UNS A92195) RATIONALE AMS4472 is a new material specification which covers aluminum-lithium alloy 2195-T34 in the form of plate. 1 SCOPE 1.1 Form This specification covers an aluminum alloy
6、 in the form of plate. 1.2 Application This plate has been used typically for aerospace structural parts requiring strength similar to that of 7475-T7351 but having 4% lower nominal density, but usage is not limited to such applications. Material is delivered in T34 temper and precipitation heat tre
7、ated to obtain T82 temper by the end user. 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 documen
8、t 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 (in
9、side USA and Canada) or 724-776-4970 (outside USA), www.sae.org. AMS2355 Quality Assurance, Sampling and Testing, Aluminum Alloys and Magnesium Alloy, Wrought Products (Except Forging Stock), and Rolled, Forged, or Flash Welded Rings AMS 2772 Heat Treatment of Aluminum Alloy Raw Materials AS1990 Alu
10、minum Alloy Tempers Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS4472 Page 2 of 5 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshoh
11、ocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM B 594 Ultrasonic Inspection of Aluminum-Alloy Products for Aerospace Applications ASTM B 660 Packaging/Packing of Aluminum and Magnesium Products ASTM B 666/B 666M Identification Marking of Aluminum and Magnesium Products ASTM G 47 Determin
12、ing Susceptibility to Stress Corrosion Cracking of High Strength Aluminum Alloy Products 2.3 ANSI Publications Available from American National Standards Institute, 25 West 43rd Street, New York, NY 10036-8002, Tel: 212-642-4900, www.ansi.org. ANSI H35.2 Dimensional Tolerances for Aluminum Mill Prod
13、ucts ANSI H35.2M Dimensional Tolerances for Aluminum Mill Products (Metric) 3 TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the percentages by weight shown in Table 1, determined in accordance with AMS2355. TABLE 1 - Composition Element min max Silicon - 0.12 Iron - 0.15 Copper 3.7 4.3 Man
14、ganese - 0.25Magnesium 0.25 0.8 Zinc - 0.25Titanium - 0.10 Zirconium 0.08 0.16Silver 0.25 0.6 Lithium 0.8 1.2 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum remainder 3.2 Condition 3.2.1 As Received (T34 Temper) Solution heat treated in accordance with AMS2772 and stretched to pro
15、duce a permanent set of at least 3% but not more than 4%. 3.3 Properties The material shall conform to the following requirements, determined in accordance wth AMS2355 on the mill produced size. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networ
16、king permitted without license from IHS-,-,-SAE AMS4472 Page 3 of 5 3.3.1 As solution heat treated and stretched (T34 Temper). 3.3.1.1 Tensile Properties shall be as shown in Table 2. TABLE 2A - MINIMUM TENSILE PROPERTIES IN T34 TEMPER, INCH/POUND UNITS TABLE 2B - MINIMUM TENSILE PROPERTIES IN T34 T
17、EMPER, SI UNITS 3.3.2 Response to Heat Treatment (T82 Temper) The material, as received by purchaser, shall have the following properties after precipitation heat treatment to the T82 temper in accordance with AMS2772. Based on thickness Table 3 properties can be achieved by aging in the temperature
18、 range of 290 to 320 F (143 to 160 C), with aging times of 28 to 40 hours. 3.3.2.1 Tensile Properties shall be as shown in Table 3. TABLE 3A - MINIMUM TENSILE PROPERTIES IN T82 TEMPER, INCH/POUND UNITS Nominal Thickness, Inches Specimen Orientation Tensile Strength, ksi Yield Strength at 0.2% Offset
19、, ksi Elongation in2 inches or 4D % 0.500 to 1.499, incl. Longitudinal 80.0 75.0 6 Long-Trans. 82.0 76.0 5 1.500 to 2.250, incl. Longitudinal 77.0 73.0 6 Long-Trans. 80.0 72.0 5 Short-Trans. 81.0 69.0 2 TABLE 3B - MINIMUM TENSILE PROPERTIES IN T82 TEMPER, SI UNITS Nominal Thickness Millimeters Speci
20、men Orientation Tensile Strength MPa Yield Strength at 0.2% Offset MPa Elongation in50.8 mm or 4D % 12.70 to 38.07, incl Longitudinal 552 517 5 Long-Trans. 565 524 4 Over 38.07 to 57.15, incl Longitudinal 531 503 5 Long-Trans. 552 496 4 Short-Trans. 559 476 2 Nominal Thickness Inches Specimen Orient
21、ation Tensile Strength ksi Yield Strength at 0.2% Offset ksi Elongation in2 Inches or 4D % 0.500 to 2.250 Long-Trans. 52.0 36.0 14 Nominal Thickness, mm Specimen Orientation Tensile Strength ksi Yield Strength at 0.2% Offset ksi Elongation in2 Inches or 4D % 12.70 to 57.15 Long-Trans. 360 250 12 Cop
22、yright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS4472 Page 4 of 5 3.3.2.2 Stress-Corrosion Resistance Specimens machined and tested in accordance with ASTM G 47 from plate 0.750 inch (19.05 mm) an
23、d over in nominal thickness, shall show no evidence of stress-corrosion cracking when stressed in the short- transverse direction at 45.0 ksi (310 MPa) for 30 days. 3.4 Quality The product, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials an
24、d from imperfections detrimental to usage of the product. 3.4.1 Each plate shall be ultrasonically inspected in accordance with ASTM B 594 and shall meet ultrasonic Class B requirements. 3.5 Tolerance Shall conform to all applicable requirements of ANSI H35.2 or ANSI H35.2M. 4 QUALITY ASSURANCE PROV
25、ISIONS 4.1 Responsibility for Inspection The vendor of plate 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 testing deemed necessary to ensure that the plate conform
26、s to the specified requirements. 4.2 Classification of Tests 4.2.1 Acceptance Tests Composition (3.1), tensile properties in as-shipped T34 temper (3.3.1.1), tensile properties after precipitation heat treatment to T82 (3.3.2.1), stress-corrosion resistance in T82 temper (3.3.2.2), ultrasonic soundn
27、ess (3.4.1) and dimensional tolerances (3.5) are acceptance tests and, except for composition, shall be performed on each lot 4.3 Sampling and Testing Shall be in accordance with AMS2355. 4.4 Reports The vendor of the product shall furnish with each shipment a report stating that the plate conforms
28、to the chemical composition, tolerances and ultrasonic inspection, showing the numerical results of tests on each inspection lot to determine conformance to the other acceptance test requirements. This report shall include the purchase order number, inspection lot number(s), AMS4472, size, and quant
29、ity. The report shall also identify the producer, the product form, and the size of the mill product. 4.5 Resampling and Retesting Shall be in accordance with AMS2355. 5 PREPARATION FOR DELIVERY 5.1 Identification Shall be in accordance with ASTM B 666/B 666M. Copyright SAE International Provided by
30、 IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS4472 Page 5 of 5 5.2 Packaging 5.2.1 Plate shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining to
31、the handling, packaging, and transportation of the plate to ensure carrier acceptance and safe delivery. 5.2.2 Packaging shall be in accordance with ASTM B 660 and in compliance with applicable rules and regulations pertaining to the handling, packaging and transportation of the product to ensure ca
32、rrier acceptance and safe delivery. 6 ACKNOWLEDGMENT A vendor shall mention this specification number in all quotations and when acknowledging purchase orders. 7 REJECTIONS Plate not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8 NOTES
33、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 a complete revision of the document,
34、 including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 Actual heat treating practices may be proprietary. 8.3 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary; dimen
35、sions 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. 8.4 Terms used in AMS are clarified in ARP1917. 8.5 Procurement documents should specify not less than the following: AMS4472 Size of plate desired Quantity of plate desired. PREPARED BY AMS COMMITTEE “D” Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
