1、AEROSPACEMATERIAL SPECIFICATIONAMS4412 REV. AIssued 2007-11Revised 2009-05Reaffirmed 2015-03Superseding AMS4412Aluminum Alloy, Sheet3.2Cu 0.52Mg 0.30Ag 0.12Zr (2198-T8)Solution Heat Treated, Cold Worked, and Artificially Aged(Composition similar to UNS A92198)RATIONALEAMS4412A has been reaffirmed to
2、 comply with the SAE five-year review policy._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, inc
3、luding 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 andsuggestions.Copyright 2015 SAE Internation
4、alAll 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 DOCUMENT ORDER: Tel: 877-606-7323 (ins
5、ide USA and Canada)Tel: +1 724-776-4970 (outside USA)Fax: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/AMS4412ASCOPE 1.1 Form This specification covers
6、an aluminum alloy in the form of sheet. 1.2 Application This product has been used for aircraft applications where if offers a combination of high strength and low density, but usage is not limited to such applications. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the da
7、te 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 been specified, the
8、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 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org. AMS2355 Quality Assurance, Sampling and Testing, Aluminum
9、 Alloys and Magnesium Alloy, Wrought Products, Except Forging Stock, and Rolled, Forged, or Flash Welded Rings AMS2772 Heat Treatment of Aluminum Alloy Raw Materials AS 1990 Aluminum Alloy Tempers 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Con
10、shohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM B 660 Packaging/Packing of Aluminum and Magnesium Products ASTM B 666/B 666M Identification Marking of Aluminum and Magnesium Products 2.3 ANSI Publications Available from American National Standards Institute, 25 West 43rd Street, New
11、York, NY 10036, Tel: 212-642-4900, www.ansi.org. ANSI H35.2 Dimensional Tolerances for Aluminum Mill Products 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 and Table 2, dete
12、rmined in accordance with AMS2355. TABLE 1 - COMPOSITION Element min max Silicon - 0.08 Iron - 0.10 Copper 2.9 3.5 Manganese - 0.50Magnesium 0.25 0.80 Zinc - 0.35 Titanium - 0.10Silver 0.10 0.50 Lithium 0.8 1.1 Zirconium 0.04 0.18 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum rem
13、ainder 3.2 Condition Product shall be supplied in the following condition: 3.2.1 Solution heat treated, cold worked and artificially aged to T8 temper (See AS1990). 3.3 Heat Treatment Shall be performed in accordance with AMS2772 and as follows: 3.3.1 Solution Heat Treatment Temperature 930 to 950 q
14、F (500 to 510 qC) Aging Heat Treatment: Aging shall be performed at a specific temperature and time as required to meet requirements of 3.4. (See 8.2). SAE INTERNATIONAL AMS4412A Page 2 of 4_ 3.4 Properties The product shall conform to the following requirements determined in accordance with AMS2355
15、 on the mill produced size. 3.4.1 Tensile Properties Shall be as shown in Table 2. TABLE 2A - MINIMUM TENSILE PROPERTIES, INCH/POUND UNITS Nominal Thickness Inches Specimen Orientation Tensile Strength ksi Yield Strength at 0.2% Offset ksi Elongation in 2 Inches or 4D% 0.063 to 0.124 Longitudinal 68
16、0 62.0 8 Long-Trans 67.0 59.0 9 0.125 to 0.249, incl Longitudinal 71.0 64.0 8 Long-Trans. 69.0 62.0 9 TABLE 2B - MINIMUM TENSILE PROPERTIES, SI UNITS Nominal Thickness Millimeters Specimen Orientation Tensile Strength MPa Yield Strength at 0.2% Offset MPa Elongation in 50.8 mm % 1.6 to 3.15 Longitu
17、dinal 469 427 8 Long-Trans 462 407 9 3.2 to 6.3, incl Longitudinal 490 441 8 Long-Trans. 476 427 9 3.5 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 product. 3.6 Tole
18、rances Shall conform to all applicable requirements of ANSI H35.2 or ANSI H35.2M. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of the product shall supply all samples for vendors tests and shall be responsible for the performance of all required tests. Purchaser reser
19、ves 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 4.2.1 Acceptance Tests Composition (3.1), tensile properties (3.4.1), and tolerances (3.6) are acceptance tests, and except for
20、composition, shall be performed on each inspection lot. 4.3 Sampling and Testing Shall be in accordance with AMS2355. SAE INTERNATIONAL AMS4412A Page 3 of 4_ 4.4 Reports The vendor of the product shall furnish with each shipment a report stating that the product conforms to the composition requireme
21、nts and tolerances and showing the numerical results of tests to determine conformance to the other acceptance test requirements. This report shall include the purchase order number, inspection lot number(s), AMS4412A, size, and quantity. The report shall also identify the producer, the product form
22、 and the mill produced size. 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. 5.2 Packaging 5.2.1 Product shall be protected from damage during storage and shipment by a method determined
23、by vendor, unless specified by purchaser. Examples of typical protective methods include but not limited to are interleaving with paper or oiling of the surface. 5.2.2 Sheet shall be prepared for shipment in accordance with ASTM B 660 and in compliance with applicable rules and regulations pertainin
24、g to the handling, packaging, and transportation of the product 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 Product not conforming to
25、 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
26、 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 Actual aging temperature and time are propriet
27、ary. 8.3 Terms used in AMS are clarified in ARP1917. 8.4 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. 8.5 Purchase documents should specify not less than the following: AMS4412A Form and size of product required. Quantity of products required. PREPARED BY AMS COMMITTEE “D” SAE INTERNATIONAL AMS4412A Page 4 of 4_
