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 reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.Copyright 2012 SAE InternationalAll rights reserved. No part of this publication may b
3、e 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/AMS4413AAEROSPACEMATERIALSPECIFICATIONAMS4413 REV. AIssued 2007-10Revised 2012-12Superseding AMS4413Alumi
5、num Alloy, Plate3.5Cu - 1.0Li - 0.40Mg - 0.35Mn - 0.45Ag - 0.12Zr (2050-T84)Solution Heat Treated, Stress Relieved, and Artificially Aged(Composition similar to UNS A92050)RATIONALEAMS4413A adds mechanical properties for an expanded range of plate product thickness (5.001 to 6.500 inches) for 2050-T
6、84 plate (Tables 2 and 3) and revises the gage length for tensile specimens (Table 2B).1. SCOPE1.1 FormThis specification covers an aluminum-lithium alloy in the form of plate.1.2 ApplicationThis plate has been used typically for parts where low density is needed in combination with a high level of
7、mechanical properties and very good 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 of the purchase order forms a part of this specification to the extent specified herein. The su
8、pplier 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 last published issue of that document shall apply.2.1 SAE PublicationsAvailable from SAE Internati
9、onal, 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 Alloys and Magnesium Alloys, Wrought Products (Except Forging Stock) and Flash Welded RingsAMS2772 He
10、at Treatment of Aluminum Alloy Raw MaterialsAS1990 Aluminum Alloy TempersSAE AMS4413A Page 2 of 62.2 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 B 594 Ultrasonic Inspection of Aluminu
11、m-Alloy Products for Aerospace ApplicationsASTM B 660 Packing/Packaging of Aluminum and Magnesium ProductsASTM B 666/B 666M Identification Marking of Aluminum and Magnesium ProductsASTM E 399 Linear-Elastic Plane-Strain Fracture Toughness KIcof Metallic MaterialsASTM G 47 Determining Susceptibility
12、to Stress Corrosion Cracking of 2XXX and 7XXX Aluminum Alloy Products2.3 ANSI 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
13、 Tolerances for Aluminum Mill Products (Metric)3. TECHNICAL REQUIREMENTS3.1 CompositionTABLE 1 - COMPOSITIONElement min maxSilicon - 0.08Iron - 0.10Copper 3.2 3.9Manganese 0.20 0.50Magnesium 0.20 0.60Chromium - 0.05Zinc - 0.25Titanium - 0.10Zirconium 0.06 0.14Silver 0.20 0.70Lithium 0.7 1.3Other Ele
14、ments, each - 0.05Other Elements, total - 0.15 Aluminum remainder3.2 ConditionSolution heat-treated, stretched to produce a nominal permanent set of 3.5% but not less than 3.0% nor more than 4.5%, and precipitation heat treated to the T84 temper (See AS1990). Solution and precipitation heat treatmen
15、t shall be performed in accordance with AMS2772. Actual solution heat treatment temperatures and aging time/temperatures are proprietary.SAE AMS4413A Page 3 of 63.2.1 Plate shall receive no further straightening operations after stretching.3.3 PropertiesPlate shall conform to the following requireme
16、nts, determined in accordance with AMS2355 on the mill produced size and as specified herein.3.3.1 Tensile PropertiesShall be as specified in Table 2.TABLE 2A - MINIMUM TENSILE PROPERTIES, INCH/POUND UNITSNominal ThicknessInchesSpecimenOrientationTensileStrengthksiYield Strengthat 0.2% OffsetksiElon
17、gation in2 Inches or 4D%0.500 to 1.500, incl Longitudinal 73.0 69.0 9Long Trans. 74.0 67.0 7Over 1.500 to 2.000, incl Longitudinal 72.0 67.0 9Long Trans. 73.0 65.0 7Short Trans. 71.0 61.0 2Over 2.000 to 3.000, incl Longitudinal 72.0 67.0 8Long Trans. 72.0 65.0 6Short Trans. 71.0 61.0 2Over 3.000 to
18、4.000, incl Longitudinal 71.0 67.0 7Long Trans. 72.0 65.0 4Short Trans. 70.0 60.0 1.5Over 4.000 to 5.000, incl Longitudinal 71.0 66.0 6Long Trans. 71.0 64.0 3Short Trans. 69.0 59.0 1.5Over 5.000 to 6.500, incl Longitudinal 71.0 66.0 5Long Trans. 71.0 64.0 3Short Trans. 69.0 59.0 1.5TABLE 2B - MINIMU
19、M TENSILE PROPERTIES, SI UNITSNominal ThicknessMillimetersSpecimenOrientationTensileStrengthMPaYield Strengthat 0.2% OffsetMPaElongation in50.8 mm, 5D or 5.65g165 A%12.7 to 38.1, incl Longitudinal 503 476 8Long Trans. 510 462 6Over 38.1 to 50.8, incl Longitudinal 496 462 8Long Trans. 503 448 6Short
20、Trans. 490 421 2Over 50.8 to 76.2, incl Longitudinal 496 462 7Long Trans. 496 448 5Short Trans. 490 421 2Over 76.2 to 101.6, incl Longitudinal 490 462 6Long Trans. 496 448 3Short Trans. 483 414 1.5Over 101.6 to 127, incl Longitudinal 490 455 5Long Trans. 490 441 3Short Trans. 476 407 1.5Over 127.0 t
21、o 165.1, incl. Longitudinal 490 455 4Long Trans. 490 441 3Short Trans. 476 407 1.5SAE AMS4413A Page 4 of 63.3.2 Stress-Corrosion TestSpecimens machined and tested in accordance with ASTM G 47 from plate 0.750 inch (19.05 mm) and over in nominal thickness, shall show no evidence of stress-corrosion c
22、racking when stressed in the short- transverse direction at 45.0 ksi (310 MPa) for 30 days.3.3.3 Fracture ToughnessFracture toughness shall be determined in accordance with ASTM E 399 and when specified, shall meet the values for KIcspecified in Table 3. For T-L and L-T test directions on plate 2 in
23、ches (51 mm) and under in nominal thickness, use full-thickness specimens; for plate over 2 to 4 inches (51 to 102 mm), inclusive, in nominal thickness, use specimens 2-inch (51-mm) minimum thickness centered at T/2; and for plate over 4 inches (102 mm) in nominal thickness, use specimens 2-inch (51
24、-mm) minimum thickness centered at T/4. For the S-L test direction, the test specimen shall be centered at T/2. Required specimen orientation(s) shall be specified by purchaser.TABLE 3A - MINIMUM FRACTURE TOUGHNESS PARAMETERS, INCH/POUND UNITSNominal ThicknessInchesL-Tksi T-Lksi S-Lksi 0.500 to 1.50
25、0, incl 33 29 25Over 1.500 to 2.000, incl 31 27 23Over 2.000 to 3.000, incl 28 25 23Over 3.000 to 4.000, incl 26 23 21Over 4.000 to 5.000, incl 25 21 21Over 5.000 to 6.000, incl 22 20 18Over 6.000 to 6.500, incl 22 19 16TABLE 3B - MINIMUM FRACTURE TOUGHNESS PARAMETERS, SI UNITSNominal ThicknessMilli
26、metersL-TMPa T-LMPa S-LMPa 12.50 to 38.10, incl 36 32 28Over 38.10 to 50.80, incl 34 30 25Over 50.80 to 76.20, incl 31 28 25Over 76.20 to 101.60, incl 29 25 23Over 101.60 to 127.00, incl 28 23 23Over 127.00 to 152.00, incl 24 22 20Over 152.00 to 165.10, incl 24 21 183.4 QualityPlate, as received by
27、purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from imperfections detrimental to usage of the plate.3.4.1 Plate shall be ultrasonically inspected in accordance with ASTM B 594 and shall meet the requirements of 3.4.1.1.3.4.1.1 Plates shall meet the r
28、equirements for ultrasonic class A.3.5 TolerancesShall conform to all applicable requirements of ANSI H35.2 or H35.2M.SAE AMS4413A Page 5 of 64. QUALITY ASSURANCE PROVISIONS4.1 Responsibility for InspectionThe vendor of plate shall supply all samples for vendors tests and shall be responsible for th
29、e performance of all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the plate conforms to specified requirements.4.2 Classification of Tests4.2.1 Acceptance TestsComposition (3.1), tensile properties (3.3.1), fracture to
30、ughness (3.3.4) when specified, ultrasonic soundness (3.4.1), and tolerances (3.5) are acceptance tests and except for composition, shall be performed on each inspection lot.4.2.2 Periodic TestsStress-corrosion resistance (3.3.2) is a periodic test and shall be performed at a frequency selected by t
31、he vendor unless frequency of testing is specified by purchaser.4.3 Sampling and TestingShall be in accordance with AMS2355 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 2.4.3.2 When fracture toughn
32、ess testing is specified, specimens shall be taken from at least one plate in each lot for each specimen orientation specified by purchaser.4.4 ReportsThe vendor of plate shall furnish with each shipment a report stating that the plate conforms to the composition, tolerances and ultrasonic inspectio
33、n, and 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), AMS4413A, size, and quantity. The report shall also identify the producer, the produ
34、ct form, and the size of the mill product.4.5 Resampling and RetestingShall be in accordance with AMS2355.5. PREPARATION FOR DELIVERY5.1 IdentificationShall be in accordance with ASTM B 666/B 666M.5.1.1 Product shall be protected from damage during storage and shipment by a method determined by vend
35、or unless specified by purchaser. Examples of typical protective methods include but are not limited to interleaving with paper or oiling of the surfaces.SAE AMS4413A Page 6 of 65.1.2 Plate shall be prepared for shipment in accordance with ASTM B 660 and in compliance with applicable rules and regul
36、ations pertaining to the handling, packaging, and transportation of the plate to ensure carrier acceptance and safe delivery.6. ACKNOWLEDGMENTA vendor shall note this specification number and its revision letter in all quotations and when acknowledging purchase orders.7. REJECTIONSPlate not conformi
37、ng to this specification, or to modifications authorized by purchaser, 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 t
38、his 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, or in specifications that contain editorial changes only.8.2 Terms used in AMS are clarified in ARP19
39、17.8.3 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:AMS4413ASize of plate desiredQuality of plate desiredFracture toughness testing (if required) and specimen orientations (See 3.3.3).PREPARED BY AMS COMMITTEE “D”
