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 isentirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, 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 2013 SAE InternationalAll rights reserved. No part of this publication may be
3、 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 USA)Fax:
4、 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/AMS4411AEROSPACEMATERIALSPECIFICATIONAMS4411Issued 2007-11Reaffirmed 2013-05Aluminum Alloy Plate (7081-T76
5、51)7.2Zn - 1.5Cu - 2.0Mg - 0.10ZrSolution Heat Treated, Stress Relieved and Overaged(Composition similar to UNS A97081)RATIONALEAMS4411 has been reaffirmed to comply with the SAE five-year review policy.1. SCOPE1.1 FormThis specification covers an aluminum alloy in the form of plate.1.2 ApplicationT
6、his product has been used typically for parts requiring a high level of mechanical properties and fracture toughness with moderate resistance to stress-corrosion cracking, but usage is not limited to such applications.2. APPLICABLE DOCUMENTSThe issue of the following documents in effect on the date
7、of the purchase order forms a part of this specification to theextent 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 canceled and no superseding document has been specified, the last
8、published issue of that document shall apply. 2.1 SAE PublicationsAvailable 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.AMS 2355 Quality Assurance Sampling and Testing, Aluminum Alloys
9、 and Magnesium Alloys, Wrought Products, Except Forging Stock, and Rolled, Forged, or Flash Welded RingsAMS 2772 Heat Treatment of Aluminum Alloy Raw MaterialsAS1990 Aluminum Alloy TempersSAE AMS4411 Page 2 of 72.2 ASTM PublicationsAvailable from ASTM International, 100 Barr Harbor Drive, P.O. Box C
10、700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM B 557 Tension TestingASTM B 594 Ultrasonic Inspection of Aluminum-Alloy Wrought Products for Aerospace ApplicationsASTM B 645 Plane Strain Fracture Toughness Testing of Aluminum AlloysASTM B 660 Packaging of Aluminum and Mag
11、nesium ProductsASTM B 666/B 666M Identification Marking of Aluminum and Magnesium ProductsASTM G 34 Exfoliation Corrosion Susceptibility in 2XXX and 7XXX Series Aluminum Alloys (EXCO Test)ASTM G 47 Determining Susceptibility to Stress-Corrosion Cracking of 2XXX and 7XXX Aluminum Alloys Products2.3 A
12、NSI PublicationsAvailable from American National Standards Institute, 25 West 43rd Street, New York, NY 10036, Tel: 212-642-4900, www.ansi.org.ANSI H35.2 Dimensional Tolerances for Aluminum Mill ProductsANSI H35.2M Dimensional Tolerances for Aluminum Mill Products (Metric)3. TECHNICAL REQUIREMENTS3.
13、1 CompositionShall conform to the percentages by weight shown in Table 1, determined in accordance with AMS 2355.TABLE 1 - COMPOSITION Element min maxSilicon - 0.12Iron - 0.15Copper 1.2 1.8Manganese - 0.25Magnesium 1.8 2.2Chromium - 0.04Zinc 6.9 7.5Titanium - 0.06Zirconium 0.06 0.15Other Elements, e
14、ach - 0.05Other Elements, totalAluminum-remainder0.153.2 ConditionSolution heat treated, stress relieved by stretching to produce a nominal permanent set of 1-1/2 to 3% and overaged to T7651 (See AS1990).3.2.1 Heat Treatment Heat treatment shall be in accordance with the requirements of AMS 2772. So
15、lution heat treatment and aging practices are proprietary.3.2.2 Plate shall receive no further straightening operations after stretching. SAE AMS4411 Page 3 of 73.3 PropertiesProduct shall conform to the following requirements, determined on the mill produced size in accordance with AMS 2355.3.3.1 T
16、ensile PropertiesShall be as specified in Table 2.TABLE 2A - MINIMUM TENSILE PROPERTIES, INCH/POUND UNITSNominal Thickness Inches Specimen OrientationTensile Strength, ksiYield StrengthAt 0.2% OffsetksiElongation in2 inches or 4D%1.000 to 2.000, incl. Longitudinal 77.0 72.0 8Long-Transverse 77.0 71.
17、0 82.001 to 3.000, incl. Longitudinal 77.0 72.0 8Long-Transverse 77.0 71.0 8Short Transverse 76.0 67.0 33.001 to 4.000, incl. Longitudinal 75.0 72.0 8Long-Transverse 76.0 70.0 7Short Transverse 75.0 66.0 34.001 to 5.000, incl. Longitudinal 75.0 72.0 7Long-Transverse 76.0 70.0 6Short Transverse 74.0
18、66.0 35.001 to 6.000, incl. Longitudinal 75.0 72.0 7Long-Transverse 76.0 70.0 6Short Transverse 73.0 65.0 2TABLE 2B - MINIMUM TENSILE PROPERTIES, SI UNITSNominal ThicknessMillimetersSpecimenOrientationTensileStrengthMPaYield Strengthat 0.2% OffsetMPaElongation in 50.4 mm or 4D%25.40 to 50.80, incl.
19、Longitudinal 531 497 8Long-Transverse 531 490 8Over 50.80 to 76.20, incl. Longitudinal 531 497 8Long-Transverse 531 490 8Short Transverse 524 462 3Over 76.20 to 101.60, incl. Longitudinal 517 497 8Long-Transverse 524 483 7Short Transverse 517 455 3Over 101.60 to 127.00, incl. Longitudinal 517 497 7L
20、ong-Transverse 524 483 6Short Transverse 510 455 3Over 127.00 to 152.40, incl. Longitudinal 517 497 7Long-Transverse 524 483 6Short Transverse 503 448 23.3.2 Corrosion ResistanceResistance to stress-corrosion cracking and exfoliation corrosion shall be considered acceptable if the plate conforms to
21、the requirements of 3.3.2.1 and 3.3.2.23.3.2.1 Electrical ConductivitySAE AMS4411 Page 4 of 7The conductivity will be not lower than 37.0 % IACS (International Annealed Copper Standard) (21.5 MS/m), determined on the surface of the tensile coupon. For conductivities from 33 (19.1MS/m) to 37 % IACS,
22、the material is acceptable if the requirements of 3.3.4 are met.SAE AMS4411 Page 5 of 73.3.2.2 Plate not meeting the requirements of 3.3.2.1 shall be given additional precipitation heat treatment or reheat treated. After such treatment, if all specified property requirements are met, the plate is ac
23、ceptable.3.3.3 Exfoliation Corrosion TestAs a part of periodic or surveillance testing, specimens shall not exhibit exfoliation corrosion greater than that illustrated by Photo B, Figure 2 of ASTM G34.3.3.4 Stress-Corrosion Cracking TestWhen specified, specimens tested in accordance with ASTM G 47,
24、shall show no evidence of stress corrosion cracking when stressed in the short-transverse direction at 26 ksi (179 MPa).3.3.5 Fracture Toughness TestWhen specified, specimens tested in accordance with ASTM B 645, shall meet the requirements for KIcor KQagreed between the purchaser and the mill. For
25、T-L and L-T test directions on plate 2 inches (51 mm) and under in nominal thickness, use full thickness specimens, for plate over 2 to 4 inches (51 mm to 102 mm), inclusive, in nominal thickness, use 2-inch (51 mm) specimens centered at T/2. For plate 4.001 and greater L-T and T-L shall be centered
26、 at T/4 plane. For S-L test direction, the test specimen shall be centered at T/2. Test specimen(s) orientation requirements shall be specified by purchaser.3.4 QualityPlate, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from imperfec
27、tions detrimental to usage of the product.3.4.1 Each plate shall be ultrasonically inspected in accordance with ASTM B 594 and shall meet the requirements of 3.4.2 or 3.4.3 as applicable.3.4.2 When specified, each plate 1.000 inch to 6.000 inches (25 mm to 150 mm) in nominal thickness shall be ultra
28、sonically inspected in accordance with ASTM B 594 and shall meet the requirements of 3.4.33.4.3 Plates shall meet the requirements for ultrasonic class A for plate 1.000 to 6.000 inches (25 mm to 150 mm) innominal thickness.3.5 TolerancesShall conform to all requirements of ANSI H35.2 or ANSI H35.2M
29、.4. QUALITY ASSURANCE PROVISIONS4.1 Responsibility for InspectionThe vendor of the product 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
30、 ensure that the product conforms to specified requirements.4.2 Classification of Tests4.2.1 Acceptance TestsComposition (3.1), short transverse, long-transverse and longitudinal tensile properties (3.3.1), electrical conductivity (3.3.2.1), ultrasonic inspection (3.4.1), dimensional tolerances (3.5
31、); when specified, fracture toughness (3.3.5), are acceptance tests and, except for composition, shall be conducted on each lot.SAE AMS4411 Page 6 of 74.2.2 Periodic TestsStress corrosion cracking (3.3.4) and exfoliation corrosion testing (3.3.3) are periodic tests and shall be performed at a freque
32、ncy selected by the vendor, unless, frequency of testing is specified by purchaser.4.3 Sampling and TestingShall be in accordance with AMS 2355 and the following.4.3.1 Tensile specimens shall be taken with axis of specimens parallel to each applicable grain flow direction specified in Table 2.4.4 Re
33、portsThe vendor of the product shall furnish with each shipment a report stating that the product conforms to the composition, tolerances and ultrasonic inspection; and showing the numerical results of tests on each inspection lot to determine conformance to the other acceptance test requirements an
34、d to the periodic tests, if performed. This report shall include the purchase order number, inspection lot number(s), AMS 4411, size and quantity. The report shall also identify the producer, product form, and the mill produced size.4.5 Resampling and RetestingShall be in accordance with AMS 2355.5.
35、 PREPARATION FOR DELIVERY5.1 IdentificationShall be in accordance with ASTM B 666/B 666M.5.2 PackagingThe product shall be prepared for shipment in accordance with ASTM B 660 and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the prod
36、uct to ensure carrier acceptance and safe delivery.6. ACKNOWLEDGMENTA vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders.7. REJECTIONSProduct not conforming to this specification, or to modifications authorized by purchaser
37、, will be subject to rejection.8. NOTES8.1 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 a specification. An (R) symbol to the left of the document title indic
38、ates a complete revision of the specification, including technical revision. Change bars and (R) are not used in original publications, nor in specifications that contain editorial changes only.8.2 Terms used in AMS are clarified in ARP1917.8.3 Dimensions and properties in inch/pound units and the F
39、ahrenheit temperatures are primary. Dimensions and properties in SI units and the Celsius temperatures are shown as approximate equivalents of the primary units and are presented only for information.SAE AMS4411 Page 7 of 78.4 Purchase documents should specify not less than the following:AMS 4411Size of plate desiredQuantity of plate desired.PREPARED BY AMS COMMITTEE “D”
