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 reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2010 SAE International All rights reserved. No part of this publication m
3、ay 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 (outside U
4、SA) 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/AMS4049LAEROSPACEMATERIALSPECIFICATIONAMS4049 REV. L Issued 1951-10 Reaffirmed 2008-05 Revise
5、d 2010-12Superseding AMS4049K Aluminum Alloy, Sheet and Plate, Alclad 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (Alclad 7075; -T6 Sheet - T651 Plate) Solution and Precipitation Heat Treated (Composition similar to UNS A97075) RATIONALE AMS4049L added UT inspection requirement when specified (3.4.1, Table 6) to
6、 facilitate cancellation of AMS-QQ-A-250/13. 1. SCOPE 1.1 Form This specification covers an aluminum alloy in the form of sheet and plate, clad on two sides. 1.2 Application These products have been used typically for structural use, including machined parts subject to excessive warpage during machi
7、ning but usage is not limited to such applications. 1.2.1 Certain design and processing procedures may cause these products to become susceptible to stress-corrosion cracking; ARP823 recommends practices to minimize such conditions. 2. APPLICABLE DOCUMENTS The issue of the following documents in eff
8、ect 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. When the referenced document has been cancelled and no superseding document has been sp
9、ecified, the last published issue of that document shall apply. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS4049L Page 2 of 62.1 SAE Publications Available from SAE International, 400 Comm
10、onwealth 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 Alloy, Wrought Products (Except Forging Stock), and Rolled, Forged, or Flash Welded Rings AMS
11、2772 Heat Treatment of Aluminum Alloy Raw Materials ARP823 Minimizing Stress-Corrosion Cracking in Wrought Heat-Treatable Aluminum Alloy Products AS1990 Aluminum Alloy Tempers 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2
12、959, Tel: 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 Availabl
13、e from American National Standards Institute, 25 West 43rd Street, New York, NY 10036-8002, 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 Sh
14、all conform to the percentages by weight shown in Table 1 and Table 2, determined in accordance with AMS2355. TABLE 1 - COMPOSITION, CORE (7075) Element min max Silicon - 0.40 Iron - 0.50 Copper 1.2 2.0 Manganese - 0.30Magnesium 2.1 2.9 Chromium 0.18 0.28 Zinc 5.1 6.1 Titanium - 0.20Other Elements,
15、each - 0.05 Other Elements, total - 0.15 Aluminum remainder Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS4049L Page 3 of 6TABLE 2 - COMPOSITION, CLADDING (7072) Element min max Silicon + Ir
16、on - 0.7Copper - 0.10 Manganese - 0.10 Magnesium - 0.10 Zinc 0.8 1.3 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum remainder 3.2 Product shall be supplied in the following condition; heat treatment shall be performed in accordance with AMS2772. 3.2.1 Sheet Solution and precipitat
17、ion heat treated to the T6 temper (See AS1990). 3.2.2 Plate Solution heat treated, stretched to produce a nominal permanent set of 2% but not less that 1-1/2%, nor more than 3%, and precipitation heat treated to the T651 temper (See AS1990). 3.2.2.1 Plate shall receive no further straightening opera
18、tions after stretching. 3.3 Properties 3.3.1 The product shall conform to the following requirements, determined in accordance with AMS2355. 3.3.2 Tensile Properties Shall be as shown in Table 3. TABLE 3A - MINIMUM TENSILE PROPERTIES, INCH/POUND UNITS Nominal Thickness Inches Tensile Strength ksi Yi
19、eld Strength at 0.2% Offset ksi Elongation in 2 inches or 4D %0.008 to 0.011, incl 68.0 58.0 5 Over 0.011 to 0.039, incl 71.0 61.0 8 Over 0.039 to 0.062, incl 72.0 62.0 9 Over 0.062 to 0.187, incl 74.0 64.0 9 Over 0.187 to 0.249, incl 76.0 65.0 9 Over 0.249 to 0.499, incl 75.0 65.0 9 Over 0.499 to 1
20、.000, incl 78.0 68.0 7 Over 1.000 to 2.000, incl 77.0 67.0 6 Over 2.000 to 2.500, incl 76.0 64.0 5 Over 2.500 to 3.000, incl 72.0 61.0 5 Over 3.000 to 3.500, incl 71.0 58.0 5 Over 3.500 to 4.000, incl 67.0 54.0 3 Copyright SAE International Provided by IHS under license with SAENot for ResaleNo repr
21、oduction or networking permitted without license from IHS-,-,-SAE AMS4049L Page 4 of 6TABLE 3B - MINIMUM TENSILE PROPERTIES, SI UNITS Nominal Thickness MillimetersTensile Strength MPaYield Strength at 0.2% Offset MPaElongation %in50 mm 0.20 to 0.28, incl 469 400 5 Over 0.28 to 0.99, incl 490 420 8 O
22、ver 0.99 to 1.57, incl 496 427 9 Over 1.57 to 4.75, incl 510 441 9 Over 4.75 to 6.32, incl 524 448 9 Over 6.32 to 12.67, incl 517 448 9 Over 12.67 to 25.40, incl 538 469 - Over 25.40 to 50.80, incl 531 462 - Over 50.80 to 63.50, incl 524 441 - Over 63.50 to 76.20, incl 496 420 - Over 76.20 to 88.90,
23、 incl 490 400 - Over 88.90 to 101.60, incl 462 372 - 3.3.3 Bending Product shall withstand, without cracking, bending at room temperature through an angle of 180 degrees around a diameter equal to the bend factor shown in Table 4 times the nominal thickness of the product with axis of bend parallel
24、to the direction of rolling. TABLE 4 - BENDING PARAMETERS Nominal Thickness Inches Nominal Thickness MillimetersBend Factor 0.008 to 0.020, incl 0.20 to 0.51, incl 6 Over 0.020 to 0.063, incl Over 0.51 to 1.60, incl 7 Over 0.063 to 0.091, incl Over 1.60 to 2.31, incl 8 Over 0.091 to 0.125, incl Over
25、 2.31 to 3.18, incl 9 Over 0.125 to 0.249, incl Over 3.18 to 6.32, incl 10 Over 0.249 to 0.499, incl Over 6.32 to 12.67, incl 12 3.3.4 Cladding Thickness After rolling, the average cladding thickness per side shall be as shown in Table 5. TABLE 5 - MINIMUM AVERAGE CLADDING THICKNESS Total Thickness
26、of Composite Product Inches Total Thickness of Composite Product MillimetersAverage Cladding Thickness Per Side % of Thickness minimum Average Cladding Thickness Per Side % of Thickness maximum 0.008 to 0.062, incl 0.20 to 1.57, incl 3.2 - Over 0.062 to 0.187, incl Over 1.57 to 4.75, incl 2.0 - Over
27、 0.187 to 0.499, incl Over 4.75 to 12.67, incl 1.2 - Over 0.499 to 4.000, incl Over 12.67 to 101.60, incl 1.2 3.0 Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS4049L Page 5 of 63.4 Quality T
28、he 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 plate. 3.4.1 When specified, each plate 0.500 inch (12.70 mm) and over in nominal thickness shall be ultrasonically inspected in
29、accordance with ASTM B 594 and shall meet the requirements of 3.4.1.1 as applicable. 3.4.1.1 Plates weighing 2000 pounds (907 kg) and under shall meet the requirements for ultrasonic class shown in Table 6. TABLE 6 - ULTRASONIC CLASS Nominal Thickness Inches Nominal Thickness MillimetersUltrasonic C
30、lass Over 0.500 to 1.500, excl Over 12.70 to 38.10, excl B Over 1.500 to 3.000, incl Over 38.10 to 76.20, incl A Over 3.000 to 4.000, incl Over 76.20 to 101.60, incl B 3.5 Tolerances Shall conform to all applicable requirements of ANSI H35.2 or ANSI H35.2M. 4. QUALITY ASSURANCE PROVISIONS 4.1 Respon
31、sibility 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 reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the product conforms to spec
32、ified requirements. 4.2 Classification of Tests 4.2.1 Acceptance Tests Composition (3.1), tensile properties (3.3.1), and tolerances (3.5) and when specified UT inspection (3.4.1) are acceptance tests and, except for core composition, shall be performed on each inspection lot. 4.2.2 Periodic Tests B
33、ending (3.3.2) and cladding thickness (3.3.3) are periodic tests and shall be performed at a frequency selected by the vendor unless frequency of testing is specified by purchaser. 4.3 Sampling and Testing Shall be in accordance with AMS2355. 4.4 Reports The vendor of the product shall furnish with
34、each shipment a report stating that the product conforms to the composition requirements and tolerances 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, inspectio
35、n lot number, AMS4049L, size, and quantity. The report shall include the identity of the producer and the size of the mill product. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS4049L Page 6
36、 of 64.5 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 by vendor unless specified
37、 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 shall be prepared for shipment in accordance with ASTM B 660 and in compliance with applicable rules and regulations pertaining to the handling, pa
38、ckaging, 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 Material not conforming to this specification,
39、 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 areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) sy
40、mbol 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 clarified in ARP1917. 8.3 Dimensions and pro
41、perties in inch/pound units are primary; dimensions and properties in SI units 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: AMS4049L 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-,-,-
