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 theref
2、rom, 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.Copyright 2015 SAE InternationalAll rights reserved. No part of this publi
3、cation 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)Tel: +1 724-776-4970 (out
4、side 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/AMS4474AAEROSPACEMATERIAL SPECIFICATIONAMS4474 REV. AIssued 2012-10Revised 2015-08Superseding
5、 AMS4474Aluminum Alloy, Sheet and Plate4.0Cu - 1.0Li - 0.40Mg - 0.35Ag - 0.13Zr (2195-T8)Solution Heat Treated, Cold Worked, and Artificially Aged(Composition similar to UNS A92195)RATIONALEAMS4474A revises Properties (3.4.1.1, Table 2), and Reports (4.4.1) as a result of increasing the product thic
6、kness range.1. SCOPE1.1 FormThis specification covers an aluminum alloy in the form of sheet and plate with a thickness of 0.125 to 0.499 inch (3.20 to 12.67 mm), inclusive (See 8.4).1.2 ApplicationThis product has been used for aircraft applications where it offers a combination of high strength an
7、d low density, but usage is not limited to such applications.2. APPLICABLE DOCUMENTSThe 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
8、a specific document 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 PublicationsAvailable from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel:
9、877-606-7323 (inside USA and Canada) or +1 724-776-4970 (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 RingsAMS2772 Heat Treatment of Aluminum Alloy Raw Mate
10、rialsAS1990 Aluminum Alloy TempersSAE INTERNATIONAL AMS4474A Page 2 of 42.2 ASTM PublicationsAvailable from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM B660 Packaging/Packing of Aluminum and Magnesium ProductsASTM B
11、666/B666M Identification Marking of Aluminum and Magnesium Products2.3 ANSI PublicationsAvailable 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 Aluminum Mill ProductsANSI H35.2M Di
12、mensional Tolerances for Aluminum Mill Products (Metric)3. TECHNICAL REQUIREMENTS3.1 CompositionShall conform to the percentages by weight shown in Table 1, determined in accordance with AMS2355.Table 1 - CompositionElement min maxSilicon - 0.12Iron - 0.15Copper 3.7 4.3Manganese - 0.25Magnesium 0.25
13、 0.8Zinc - 0.25Titanium - 0.10Zirconium 0.08 0.16Silver 0.25 0.6Lithium 0.8 1.2Other Elements, each - 0.05Other Elements, total - 0.15Aluminum remainder3.2 ConditionProduct shall be supplied in the following condition:3.2.1 Solution heat treated, cold worked and artificially aged to T8 temper (See A
14、S1990). 3.3 Heat TreatmentSolution heat treatment and aging shall be performed in accordance with AMS2772.3.4 PropertiesThe product shall conform to the following requirements determined in accordance with AMS2355 on the mill produced size.SAE INTERNATIONAL AMS4474A Page 3 of 43.4.1 Tensile Properti
15、esShall be as shown in Table 2.3.4.1.1 Mechanical property requirements for product outside the range covered by Table 2 shall be agreed upon between purchaser and producer.Table 2A - Minimum tensile properties, inch/pound unitsNominal ThicknessInchesSpecimenOrientationTensileStrengthksiYield Streng
16、that 0.2% OffsetksiElongation in2 Inches or 4D%0.125 to 0.499, incl Longitudinal 82.0 78.0 6Long-Trans. 80.0 76.0 6Table 2B - Minimum tensile properties, SI unitsNominal ThicknessMillimetersSpecimenOrientationTensileStrengthMPaYield Strengthat 0.2% OffsetMPaElongation in50.8 mm %3.20 to 12.67, incl
17、Longitudinal 565 538 6Long-Trans. 552 524 63.5 QualityThe 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 TolerancesShall conform to all applicable requirements of ANSI
18、 H35.2 or ANSI H35.2M.4. QUALITY ASSURANCE PROVISIONS4.1 Responsibility for InspectionThe producer of the product shall supply all samples for producers tests and shall be responsible for the performance of all required tests. Purchaser reserves the right to sample and to perform any confirmatory te
19、sting deemed necessary to ensure that the product conforms to specified requirements.4.2 Classification of Tests4.2.1 Acceptance TestsComposition (3.1), tensile properties (3.4.1), and tolerances (3.6) are acceptance tests, and except for composition, shall be performed on each inspection lot.4.3 Sa
20、mpling and TestingShall be in accordance with AMS2355.4.4 ReportsThe producer of the product shall furnish with each shipment a report stating that the product conforms to the composition requirements and tolerances and showing the numerical results of tests to determine conformance to the other acc
21、eptance test requirements. This report shall include the purchase order number, inspection lot number(s), AMS4474A, size, and quantity. The report shall also identify the producer, the product form, and the mill produced size.SAE INTERNATIONAL AMS4474A Page 4 of 44.4.1 When the product size is outsi
22、de the range covered by Table 2, the report shall contain a statement to that effect.4.5 Resampling and RetestingShall be in accordance with AMS2355.5. PREPARATION FOR DELIVERY5.1 IdentificationShall be in accordance with ASTM B666/B666M.5.2 Packaging5.2.1 Product shall be protected from damage duri
23、ng storage and shipment by a method determined 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 B660 and in compliance w
24、ith applicable rules and regulations pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENTA vendor shall include this specification number in all quotations and when acknowledging purchase orders.7. REJECTIONSProduc
25、t not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection.8. NOTES8.1 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 previ
26、ous 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 are clarifie
27、d in ARP1917.8.3 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.8.4 Purchase documents should specify not less than the following:AMS4474AProduct form and size of product requiredProperty and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range listed in Table 2.Quantity of product required.PREPARED BY AMS COMMITTEE “D”
