1、_ 6$(7HFKQLFDO6WDQGDUGV%RDUG5XOHVSURYLGHWKDW7KLVUHSRUWLVSX EOLVKHGE6$(WRDGYDQFHWKHVWDWHRIWHFKQLFDODQGHQJL neering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the VROHUHVS
2、RQVLELOLWRIWKHXVHU 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 2016 SAE International All rights reserved. No part of this publication may be reproduced
3、, 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: 724-776
4、-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/AMS4049M AEROSPACE MATERIAL SPECIFICATION AMS4049 REV. M Issued 1951-10 Reaffirmed 2008-05 Revised 2016-06 Su
5、perseding AMS4049L 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 AMS4049M revises Condition (3.2.1, 3.2.2), Properties (3.3.5), deleted the weight limi
6、t previously applicable to ultrasonic inspection (3.4), revised Reports (4.4.1), and is a Five Year Review and update of this specification. 1. SCOPE 1.1 Form This specification covers an aluminum alloy in the form of sheet and plate with thickness from 0.008 to 4.000 inch, incl (0.20 to 101.6 mm, i
7、ncl), clad on two sides (see 8.4). 1.2 Application These products have been used typically for structural use, including machined parts subject to excessive warpage during machining, but usage is not limited to such applications. 1.2.1 Certain design and processing procedures may cause these product
8、s to become susceptible to stress-corrosion cracking; ARP823 recommends practices to minimize such conditions. 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
9、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. SAE INTERNATIONAL AMS4049M Page 2 of 6 2.1 SAE Publication
10、s Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 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
11、), and Rolled, Forged, or Flash Welded Rings AMS2772 Heat Treatment of Aluminum Alloy Raw Materials ARP823 Minimizing Stress-Corrosion Cracking in Wrought Heat-Treatable Aluminum Alloy Products ARP1917 Clarification of Terms Used in Aerospace Metals Specifications 2.2 ASTM Publications Available fro
12、m ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM B594 Ultrasonic Inspection of Aluminum Alloy Products for Aerospace Applications ASTM B660 Packaging/Packing of Aluminum and Magnesium Products ASTM B666/B666M Identifi
13、cation Marking of Aluminum and Magnesium Alloy Products 2.3 ANSI Accredited Publications Copies of these documents are available online at http:/webstore.ansi.org/. ANSI H35.1/H35.1M Alloy and Temper Designation Systems for Aluminum ANSI H35.2 Dimensional Tolerances for Aluminum Mill Products ANSI H
14、35.2M Dimensional Tolerances for Aluminum Mill Products (Metric) 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall 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 Cop
15、per 1.2 2.0 Manganese - 0.30 Magnesium 2.1 2.9 Chromium 0.18 0.28 Zinc 5.1 6.1 Titanium - 0.20 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum remainder SAE INTERNATIONAL AMS4049M Page 3 of 6 Table 2 - Composition, cladding (7072) Element min max Silicon + Iron - 0.7 Copper - 0.10
16、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 precipitation heat treated to th
17、e T6 temper (see ANSI H35.1/H35.1M). 3.2.2 Plate Solution heat treated, stretched to produce a nominal permanent set of 2%, but not less than 1-1/2%, nor more than 3%, and precipitation heat treated to the T651 temper (see ANSI H35.1/H35.1M). 3.2.2.1 Plate shall receive no further straightening oper
18、ations 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 Y
19、ield 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
20、 1.000, 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 SAE INTERNATIONAL AMS4049M Page 4 of 6 Table 3B - Minimum tensile properties, SI unit
21、s Nominal Thickness Millimeters Tensile Strength MPa Yield Strength at 0.2% Offset MPa Elongation % in 50 mm 0.20 to 0.28, incl 469 400 5 Over 0.28 to 0.99, incl 490 420 8 Over 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 5
22、17 448 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, incl 490 400 - Over 88.90 to 101.60, incl 462 372 - 3.3.3 Bending Product shall withstand, without cracking, bending at room t
23、emperature 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 to the direction of rolling. Table 4 - Bending parameters Nominal Thickness Inches Nominal Thickness Millimeters Bend Factor 0.
24、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 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
25、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 of Composite Product Inches Total Thickness of Composite Product Millimeters Average Cladding Thickness Per Side % of Thicknes
26、s 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 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 SAE INTERNA
27、TIONAL AMS4049M Page 5 of 6 3.3.5 Mechanical property requirements for product outside the range covered by Table 3 shall be agreed upon between purchaser and producer. 3.4 Quality The product, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign material
28、s 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 accordance with ASTM B594 and shall meet the requirements of Table 6 as applicable. Table 6 - Ultrasonic class Nominal
29、 Thickness Inches Nominal Thickness Millimeters Ultrasonic Class 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.
30、2 or ANSI H35.2M. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection 7KHSURGXFHURIWKHSURGXFWVKDOOVXSSODOOVDPSOHVIRUSURGXFHUVWHVWVDQGVKDOOEH UHVSRQVLEOHIRUWKH performance of all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necess
31、ary to ensure that the product conforms to specified 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
32、 on each inspection lot. 4.2.2 Periodic Tests Bending (3.3.2) and cladding thickness (3.3.3) are periodic tests and shall be performed at a frequency selected by the producer unless frequency of testing is specified by purchaser. 4.3 Sampling and Testing Shall be in accordance with AMS2355. 4.4 Repo
33、rts The 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 on each inspection lot to determine conformance to the other acceptance test requirements. This report
34、 shall include the purchase order number, inspection lot number, AMS4049M, size, and quantity. The report shall include the identity of the producer and the size of the mill product. 4.4.1 When the product size is outside the range covered by 1.1, the report shall contain a statement to that effect.
35、 SAE INTERNATIONAL AMS4049M Page 6 of 6 4.5 Resampling and Retesting Shall be in accordance with AMS2355. 5. PREPARATION FOR DELIVERY 5.1 Identification Shall be in accordance with ASTM B666/B666M. 5.2 Packaging 5.2.1 Product shall be protected from damage during storage and shipment by a method det
36、ermined by producer 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 shall be prepared for shipment in accordance with ASTM B660 and in compliance with applicable rules and regulat
37、ions pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A producer shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS Material
38、not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8. NOTES 8.1 Revision Indicator 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 bee
39、n 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 in documents that contain editorial changes only. 8.2 Terms used
40、 in AMS are clarified 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.
41、4 Purchase documents should specify not less than the following: AMS4049M Product form and size of product desired Property and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range shown in 1.1. Quantity of product desired. PREPARED BY AMS COMM,77(
