1、_ 6$(7HFKQLFDO6WDQGDUGV%RDUG5XOHVSURYLGHWKDW7KLVUHSRUWLVSX EOLVKHGE6$(WRDGYDQFHWKHVWDWHRIWHFKQL cal 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 therefrom, LVWKHVROHUHVS
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/AMS4048P AEROSPACE MATERIAL SPECIFICATION AMS4048 REV. P Issued 1951-10 Revised 2016-06 Superseding AMS4048N
5、Aluminum Alloy Sheet and Plate, Alclad 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (Alclad 7075-O) Annealed or when specified, $V)DEULFDWHG $OFODG -F) (Composition similar to UNS A97075) RATIONALE AMS4048P revises Response to Heat Treatment (3.3.2), Properties (3.3.4) and Reports (4.4.1), and is a Five Year Revi
6、ew and update of this specification. 1. SCOPE 1.1 Form This specification covers an aluminum alloy in the form of sheet and plate 0.008 to 1.000 inch, incl (0.20 to 25.40 mm, incl) in thickness, clad on two sides, supplied in the annealed (O) condition. When specified, product shall be supplied in W
7、KHDVIDEULFDWHG ) WHPSHU (see 8.4). 1.2 Application These products have been used typically for formed structural parts which will be subsequently heat treated, but usage is not limited to such applications. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of the pur
8、chase 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 specified, the last publishe
9、d 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) or +1 724-776-4970 (outside USA), www.sae.org. AMS2355 Quality Assurance, Sampling and Testing Aluminum Alloys and
10、 Magnesium Alloy Wrought Products (Except Forging Stock), and Rolled, Forged, or Flash Welded Rings AMS2772 Heat Treatment of Aluminum Alloy Raw Materials ARP1917 Clarification of Terms Used in Aerospace Metals Specifications SAE INTERNATIONAL AMS4048P Page 2 of 7 2.2 ASTM Publications Available fro
11、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
12、cation 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/H35.1(M) American National Standard Alloy and Temper Designation System for Aluminum ANSI H 35.2 Dimensional Tolerances for Aluminum
13、 Mill Products ANSI H 35.2M Dimensional Tolerances for Aluminum Mill Products (Metric) 3. TECHNICAL REQUIREMENTS 3.1 Components 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
14、- 0.40 Iron - 0.50 Copper 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 Table 2 - Composition cladding (7072) Element min max Silicon + Iron - 0.7 Copper - 0.10 Manganese - 0.10 M
15、agnesium - 0.10 Zinc 0.8 1.3 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum remainder SAE INTERNATIONAL AMS4048P Page 3 of 7 3.2 Condition 3.2.1 Annealed in accordance with AMS2772. 3.2.2 :KHQVSHFLILHGPDWHULDOPDEHSURYLGHGLQWKHDVIDEULFDWHG ) WHPSHU 5HTXLUHPHQWVRIGRQRWDSSOWRthe F te
16、mper. 3.3 Properties The product shall conform to the following requirements, determined in accordance with AMS2355 on the mill produced size. 3.3.1 As Annealed 3.3.1.1 Tensile Properties Shall be as shown in Table 3. Table 3A - Tensile properties, inch/pound units Nominal Thickness Inch Tensile Str
17、ength ksi, max Yield Strength at 0.2% Offset ksi, maximum Elongation in 2 in. or 4D %, minimum 0.008 to 0.014, incl 36.0 20.0 9 Over 0.014 to 0.062, incl 36.0 20.0 10 Over 0.062 to 0.187, incl 38.0 20.0 10 Over 0.187 to 0.499, incl 39.0 21.0 10 Over 0.499 to 1.000, incl 40.0 - 10 Table 3B - Tensile
18、properties, SI units Nominal Thickness Millimeters Tensile Strength MPa, max Yield Strength at 0.2% Offset MPa, maximum Elongation in 50.8 mm or 4D %, minimum 0.20 to 0.36, incl 248 138 9 Over 0.36 to 1.57, incl 248 138 10 Over 1.57 to 4.75, incl 262 138 10 Over 4.75 to 12.67, incl 269 145 10 Over 1
19、2.67 to 25.40, incl 276 - 10 3.3.1.2 Bending Product 0.008 to 0.499 inch (0.20 to 12.67 mm) in nominal thickness 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
20、 the product with axis of bend parallel to the direction of rolling. Table 4 - Bending parameters Nominal Thickness Inch Nominal Thickness Millimeters Bend Factor 0.008 to 0.032, incl 0.20 to 0.81, incl 1 Over 0.032 to 0.062, incl Over 0.81 to 1.57, incl 2 Over 0.062 to 0.125, incl Over 1.57 to 3.18
21、, incl 3 Over 0.125 to 0.249, incl Over 3.18 to 6.32, incl 4 Over 0.249 to 0.499, incl Over 6.32 to 12.67, incl 6 SAE INTERNATIONAL AMS4048P Page 4 of 7 3.3.2 Response to Heat Treatment The product, as received by purchaser, shall have the following properties after solution and precipitation heat t
22、reatment in accordance with AMS2772 to -T62 temper (see ANSI H35.1/H35.1(M). 3.3.2.1 Tensile Properties Shall be as shown in Table 5. Table 5A - Minimum tensile properties, inch/pound units Nominal Thickness Inch Tensile Strength ksi, min Yield Strength at 0.2% Offset ksi, minimum Elongation in 2 in
23、. or 4D %, minimum 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 1.000, incl 78.0 68.0 7 Table 5B - Minimum t
24、ensile properties, SI units Nominal Thickness Millimeters Tensile Strength MPa, min Yield Strength at 0.2% Offset MPa, minimum Elongation in 50.8 mm or 4D %, minimum 0.20 to 0.28, incl 469 400 5 Over 0.28 to 0.99, incl 490 421 8 Over 0.99 to 1.57, incl 496 427 9 Over 1.57 to 4.75, incl 510 441 9 Ove
25、r 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 7 3.3.2.2 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 6) times the nominal
26、 thickness of the product with axis of bend parallel to the direction of rolling. Table 6 - Bending parameters Nominal Thickness Inch Nominal Thickness Millimeters Bend Factor 0.008 to 0.020, incl 0.20 to 0.51 incl 6 Over 0.020 to 0.062, incl Over 0.51 to 1.57 incl 7 Over 0.062 to 0.091, incl Over 1
27、.57 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 12 SAE INTERNATIONAL AMS4048P Page 5 of 7 3.3.3 Cladding Thickness After rolling, the average cladding thickness per side shall
28、be as shown in Table 7. Table 7 - Minimum average cladding thickness Total Thickness of Composite Product Inch Total Thickness of Composite Product Millimeters Average Cladding Thickness Per Side % of Total Thickness min max 0.008 to 0.062, incl 0.20 to 1.57, incl 3.2 - Over 0.062 to 0.187, incl Ove
29、r 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 1.000, incl Over 12.67 to 25.40, incl 1.2 3.0 3.3.4 Property requirements for product outside the range covered by Table 3 shall be agreed upon between purchaser and producer. 3.4 Quality The product, a
30、s received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from imperfections detrimental to usage of the product. 3.4.1 When specified, each plate 0.500 to 1.000 inch (12.70 to 25.40 mm) shall be ultrasonically inspected in accordance with ASTM B5
31、94 and shall meet the requirements of 3.4.1.1 (see 8.4). 3.4.1.1 Plates shall meet the requirement for ultrasonic class B for plate 0.500 to 1.000 inch (12.70 to 25.40 mm) in nominal thickness. 3.5 Tolerances Shall conform to all applicable requirements of ANSI H 35.2 or ANSI H 35.2M. 4. QUALITY ASS
32、URANCE PROVISIONS 4.1 Responsibility for Inspection The producer of the product shall supply all samples for producers 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 t
33、hat the product conforms to specified requirements. 4.2 Classification of Tests 4.2.1 Acceptance Tests Composition (3.1), tensile properties as annealed (3.3.1.1) (not applicable to F temper) and after response to heat treatment to the T62 temper (3.3.2), and tolerances (3.5) and when specified by p
34、urchaser, the ultrasonic quality (3.4.1) are acceptance tests and except for composition, shall be performed on each inspection lot. 4.2.2 Periodic Tests Bending as annealed (3.3.1.2) and after response to heat treatment (3.3.2.2) and cladding thickness (3.3.3) are periodic tests and shall be perfor
35、med 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. SAE INTERNATIONAL AMS4048P Page 6 of 7 4.4 Reports The producer of the product shall furnish with each shipment a report stating that the p
36、roduct conforms to the composition and tolerances, and showing the numerical results of tests on each inspection lot to determine conformance to the technical requirements. This report shall include the purchase order number, inspection lot number, AMS4048P, size, and quantity. The report shall also
37、 identify the producer, the product form, the producer lot number, and the size of the mill product. 4.4.1 When the product size is outside the range covered by Table 3, the report shall contain a statement to that effect. 4.5 Resampling and Retesting Shall be in accordance with AMS2355. 5. PREPARAT
38、ION 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 shipment and/or storage by a method determined by the producer unless specified by the purchaser. Typical examples of protective measures include, but ar
39、e not limited to, interleaving with paper or oiling of the surfaces. 5.2.2 Product shall be prepared for shipment in accordance with ASTM B660 and in compliance with applicable rules and regulations pertaining to the handling, packaging and transportation of the sheet to ensure carrier acceptance an
40、d safe delivery. 6. ACKNOWLEDGMENT A producer shall include this specification number and its revision letter in a 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.
41、 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 been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a compl
42、ete 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 properties in inch/pound units and the Fahrenheit temperatu
43、res 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. SAE INTERNATIONAL AMS4048P Page 7 of 7 8.4 Purchase documents should specify not less than the following: AMS4048P
44、 Product form and size of the product required Property and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range shown in 1.1 Quantity of product required. Requirements for ultrasonic inspection (see 3.4.1), if any. 8.5 Similar Specifications AMS-QQ-A-250/13, Tempers O and F, and ASTM B209 are listed for information only and shall not be construed as acceptable alternates unless all requirements of this AMS are met. PREPARED BY AMS COMM,77(
