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 revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2011 SAE International All rights reserved. No part of this p
3、ublication 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: +1 724-776-497
4、0 (outside USA) 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/AMS4269AEROSPACEMATERIALSPECIFICATIONAMS4269 Issued 2011-12 Aluminum Alloy, Sheet
5、 and Plate 4.4Cu - 1.5Mg - 0.60Mn; (2024-T361),Solution Heat Treated and Cold Worked(Composition similar to UNS A92024)RATIONALE AMS4269 is a new specification for 2024-T361 bare sheet and plate to facilitate cancellation of AMS-QQ-A-250/4. 1. SCOPE 1.1 Form This specification covers an aluminum all
6、oy in the form of sheet and plate supplied in the -T361 temper. 1.2 Application These products have been used typically for structural parts requiring formability, a combination of good strength and good corrosion resistance and whose fabrication does not involve welding, but usage is not limited to
7、 such applications. 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 document issue is specified.
8、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 (inside USA and Canada) o
9、r 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 AMS2772 Heat Treatment of Aluminum Alloy Raw Materials AS1990 Aluminum Alloy Tempers Copy
10、right SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS4269 Page 2 of 5 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Te
11、l: 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 Alloy Products 2.3 ANSI Publications Available from
12、American National Standards Institute, 25 West 43rd Street, New York, NY 10036-8002, Tel: 212-642-4900, www.ansi.org.ANSI H 35.2 Dimensional Tolerances for Aluminum Mill Products ANSI H 35.2M Dimensional Tolerances for Aluminum Mill Products (Metric) 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall c
13、onform to the percentages by weight as shown in Table 1, determined in accordance with AMS2355. TABLE 1 Element min max Silicon - 0.50 Iron - 0.50 Copper 3.8 4.9 Manganese 0.30 0.9 Magnesium 1.2 1.8 Chromium - 0.10 Zinc - 0.25 Titanium - 0.15 Other Elements, each - 0.05 Other Elements, total - 0.15
14、Aluminum remainder 3.2 Condition The product shall be supplied in the following condition: 3.2.1 Sheet Solution heat treated in accordance with AMS2772, and cold reduced approximately 6% (See AS1990). 3.2.2 Plate Solution heat treated in accordance with AMS2772, and cold reduced approximately 6% (Se
15、e AS1990). 3.2.2.1 Plate shall receive no further straightening operations after cold reduction. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS4269 Page 3 of 5 3.3 Properties The product sha
16、ll conform to the following requirements, determined in accordance with AMS2355 on the mill produced size. 3.3.1 Tensile Properties Shall be as shown in Table 2 (See 8.3). TABLE 2A - MINIMUM TENSILE PROPERTIES, INCH/POUND UNITS Temper Nominal Thickness, Inches Tensile Strength, ksi Yield Strength at
17、 0.2% Offset, ksi Elongation in 2 inches or 4D, %-T361 0.020 to 0.062, incl Over 0.062 to 0.249, incl Over 0.249 to 0.499, incl 0.500 67.0 68.0 66.0 66.0 50.0 51.0 49.0 49.0 8 9 9 10 TABLE 2B - MINIMUM TENSILE PROPERTIES, SI UNITS Temper Nominal Thickness, MillimetersTensile Strength, MPaYield Stren
18、gth at 0.2% Offset, MPaElongation in 50.8 mm or 4D, %-T361 0.508 to 1.57, incl Over 1.57 to 6.32, incl Over 6.32 to 12.67, incl 12.70 462 469 455 455 345 352 338 338 8 9 9 10 3.3.2 Bend Test 3.3.2.1 Product 0.020 to 0.249 inch (0.508 to 6.32 mm), inclusive, in nominal thickness shall withstand, with
19、out cracking, bending at room temperature through an angle of 180 degrees around a diameter equal to the bend factor shown in Table 3 times the nominal thickness of the product with axis of bend parallel to the direction of rolling. TABLE 3 - BEND TEST FACTOR, “N”Thickness of Material, Inch Thicknes
20、s of Material, Millimeter N 0.020 to 0.032, incl Over 0.032 to 0.051, incl Over 0.051 to 0.063, incl Over 0.063 to 0.128, incl Over 0.128 to 0.249 0.508 to 0.81, incl Over 0.813 to 1.30, incl Over 1.30 to 1.60, incl Over 1.60 to 3.25, incl Over 3.25 to 6.32 448883.3.2.2 Bending requirements for prod
21、uct over 0.249 inch (6.32 mm) in nominal thickness shall be as agreed upon by purchaser and vendor 3.3.3 Response to Heat Treatment (-T861) The product, as received by purchaser, shall meet the following properties as shown in Table 3 after artificial aging to the -T861 temper (See AS1990) in accord
22、ance with AMS2772. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS4269 Page 4 of 5 3.3.3.1 Tensile Properties Shall be as shown in Table 4 (See 8.3). TABLE 4A - MINIMUM TENSILE PROPERTIES, IN
23、CH/POUND UNITS Temper Nominal Thickness, Inches Tensile Strength, ksi Yield Strength at 0.2% Offset, ksi Elongation in 2 inches or 4D, %-T861 0.020 to 0.062, incl Over 0.062 to 0.249, incl Over 0.249 to 0.500 70.0 71.0 70.0 62.0 66.0 64.0 344TABLE 4B - MINIMUM TENSILE PROPERTIES, SI UNITS Temper Nom
24、inal Thickness, MillimetersTensile Strength, MPaYield Strength at 0.2% Offset, MPaElongation in 50.8 mm or 4D, %-T861 0.508 to 1.57, incl Over 1.57 to 6.32, incl Over 6.32 to 12.70 483 490 483 427 455 441 3443.4 Quality The product, as received by purchaser, shall be uniform in quality and condition
25、, sound, and free from foreign materials and from imperfections detrimental to usage of the product. 3.5 Tolerances Shall conform to all applicable requirements of ANSI H35.2/H35.2M. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of the product shall supply all samples
26、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 product conforms to specified requirements. 4.2 Classification of Tests 4.2.1 Acceptance Tests Comp
27、osition (3.1), tensile properties (3.3.1), and tolerances (3.5) are acceptance tests and except for composition, shall be performed on each lot. 4.2.2 Periodic Tests Bend testing (3.3.2) and tensile properties for response to heat treatment (3.3.3.1) are periodic tests and shall be performed at a fr
28、equency selected by the vendor unless frequency of testing is specified by purchaser. 4.3 Sampling and Testing Shall be in accordance with AMS2355. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE
29、 AMS4269 Page 5 of 5 4.4 Reports The vendor of the product shall furnish with each shipment a report stating that the product conforms to the composition and tolerances, and showing numerical results of tests for the other acceptance test requirements. This report shall include the purchase order nu
30、mber, lot number, AMS4269, size, and quantity. 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 66
31、6M. 5.2 Packaging 5.2.1 Product shall be protected from damage during storage and shipment by a method determined by the vendor unless specified by purchaser. Examples of typical protective methods include but are not limited to interleaving with paper or oiling of the surface. 5.2.2 The product sha
32、ll 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 product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A vendor shall mention this specification numbe
33、r in all quotations and when acknowledging purchase orders. 7. REJECTIONS Product not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8. NOTES 8.1 A change bar (l) located in the left margin is for the convenience of the user in locating a
34、reas 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, including technical revisions. Change bars and (R) are not used in original publications, nor i
35、n documents 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 Fahrenheit temperatures are primary; dimensions and properties in SI units and Celsius temperatures are shown as the approximate equivalents of the p
36、rimary units and are presented only for information. 8.4 The tensile properties in Tables 2 and 4 were taken directly from QQ-A-250/4E Amendment 2 (AMS-QQ-A-250/4A) and have not been independently verified by AMS statistical procedures. 8.5 Purchase documents should specify not less than the following: AMS4269 Product form and size of product desired Quantity of product 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-,-,-
