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 2012 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/AMS4461AEROSPACEMATERIALSPECIFICATIONAMS4461 Issued 2012-01 Aluminum Alloy, Sheet and Plate,
5、Alclad 4.4Cu - 1.5Mg - 0.60Mn (Alclad 2024-O, Sheet and Plate) Annealed; or when specified, “As Fabricated” (2024-F) (Composition similar to UNS A82024)RATIONALE AMS4461 is a new specification for normal alclad material in the -O and -F condition. Its publication will facilitate the cancellation of
6、AMS QQ-A-250/5. 1. SCOPE 1.1 Form This specification covers an aluminum alloy in the form of sheet and plate supplied in the annealed (O) condition. When specified, product shall be supplied in the “as fabricated” (F) temper. 1.2 Application These products have been used typically for formed structu
7、ral parts which will be subsequently heat treated, 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 after heat treatment; ARP823 recommends practices to minimize such conditions.
8、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. When the referenced
9、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) or 724-776-4970 (outs
10、ide 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 SAE AMS4461 Page 2 of 7 ARP823 Minimizing Stress-Corro
11、sion 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 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM B 594 Ultrasonic Inspection of Aluminum-
12、Alloy Products for Aerospace Applications ASTM B 660 Packaging/Packing of Aluminum and Magnesium Products ASTM B 666/B 666M Identification of Aluminum and Magnesium Alloy Products 2.3 ANSI Publications Available from American National Standards Institute, 25 West 43rd Street, New York, NY 10036-8002
13、, 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 conform to the percentages by weight as shown in Tables 1 and 2, determined in accor
14、dance with AMS2355. TABLE 1 - COMPOSITION, CORE (2024) Element min maxSilicon - 0.50Iron - 0.50Copper 3.8 4.9 Manganese 0.30 0.9 Magnesium 1.2 1.8 Chromium - 0.10Zinc - 0.25Titanium - 0.15Other Elements, each - 0.05Other Elements, total - 0.15Aluminum remainder TABLE 2 - COMPOSITION, CLADDING (1230)
15、 Element min maxIron + Silicon - 0.70Copper - 0.10Manganese - 0.05Magnesium - 0.05Zinc - 0.10Titanium - 0.03Other Elements, each - 0.03Aluminum 99.30 - SAE AMS4461 Page 3 of 7 3.2 Condition 3.2.1 Annealed in accordance with AMS2772. 3.2.2 When specified, material may be provided in the “as fabricate
16、d” (F) temper. Requirements of 3.3.1 do not apply to the F temper. 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 (See 8.5). TABLE 3A -
17、TENSILE PROPERTIES IN ANNEALED CONDITION, INCH/POUND UNITS Nominal Thickness, Inches Tensile Strength, ksi, max Yield Strength at 0.2% Offset, ksi, max Elongation in 2 inches or 4D, %, min 0.008 to 0.009, incl 30.0 14.0 10 Over 0.009 to 0.062, incl 30.0 14.0 12 Over 0.062 to 0.499, incl Over 0.499 t
18、o 1.750, incl 32.0 32.0 14.0 - 12 12 TABLE 3B - TENSILE PROPERTIES IN ANNEALED CONDITION, SI UNITS Nominal Thickness, MillimetersTensile Strength, MPa, max Yield Strength at 0.2% Offset, MPa, max Elongation in 50.8 mm or 4D, %, min 0.203 to 0.228, incl 207 97 10 Over 0.228 to 1.574, incl 207 97 12 O
19、ver 1.574 to 12.674, incl Over 12.674 to 44.450, incl 221 221 97 - 12 12 3.3.1.2 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 4 times the nominal thickness of the product with
20、axis of bend parallel to the direction of rolling. TABLE 4 - BENDING PARAMETERS IN ANNEALED CONDITION Nominal Thickness, Inches Nominal Thickness, Millimeters Bend Factor 0.008 to 0.032, incl Over 0.032 to 0.062, incl Over 0.062 to 0.499, incl 0.203 to 0.813, incl Over 0.813 to 1.575, incl Over 1.57
21、5 to 12.675, incl 012SAE AMS4461 Page 4 of 7 3.3.2 Response to Heat Treatment (-T42, -T62, -T72 Temper) The product, as received by purchaser, shall have the following properties shown in Table 5 after solution and precipitation heat treatment to the -T42 temper (See AS1990) in accordance with AMS27
22、72. Material in the -T42 condition shall have the following properties shown in Table 5 after proper aging to the -T62 and -T72 temper (See AS1990) in accordance with AMS2772. 3.3.2.1 Tensile Properties Shall be as shown in Table 5 (See 8.5). TABLE 5A -TENSILE PROPERTIES IN T42, T62, AND T72 TEMPER,
23、 INCH/POUND UNITS Temper Nominal Thickness, Inches Tensile Strength, ksi Yield Strength at 0.2% Offset, ksi Elongation in 2 inches or 4D, %-T42 0.008 to 0.009, incl Over 0.009 to 0.020, incl Over 0.020 to 0.062, incl Over 0.062 to 0.249, incl Over 0.249 to 0.499, incl Over 0.499 to 1.000, incl Over
24、1.000 to 1.500, incl Over 1.500 to 2.000, incl Over 2.000 to 3.000, incl 55.0 57.0 57.0 60.0 60.0 61.0 60.0 60.0 58.0 34.0 34.0 34.0 36.0 36.0 38.0 38.0 38.0 38.0 10 12 15 15 12 8 7 6 4 -T62 0.010 to 0.062, incl Over 0.062 to 0.499, incl 60.0 62.0 47.0 49.0 5 5 -T72 0.010 to 0.062, incl Over 0.062 t
25、o 0.249, incl 56.0 58.0 43.0 45.0 5 5 TABLE 5B - TENSILE PROPERTIES IN T42, T62, AND T72 TEMPER, SI UNITS Temper Nominal Thickness, MillimetersTensile Strength, MPaYield Strength at 0.2% Offset, MPaElongation in 50.8 mm or 4D, %-T42 0.203 to 0.229, incl Over 0.229 to 0.508, incl Over 0.508 to 1.575,
26、 incl Over 1.575 to 6.33, incl Over 6.33 to 12.68, incl Over 12.68 to 25.40, incl Over 25.40 to 38.10, incl Over 38.10 to 50.80, incl Over 50.80 to 76.20, incl 379 393 393 414 414 421 414 414 400234 234 234 248 248 262 262 262 26210 12 15 15 12 8 7 6 4-T62 0.25 to 1.57, incl Over 1.57 to 12.67, incl
27、 414 427 324 338 5 5 -T72 0.25 to 0.51, incl Over 1.57 to 6.32, incl 386 400 296 310 5 5 SAE AMS4461 Page 5 of 7 3.4 Thickness of Cladding Plates The aluminum alloy plates that are bonded to the two sides of the aluminum alloy (2024) ingot or slab, to form a composite that is to be rolled, shall eac
28、h have a thickness as specified in Table 6. TABLE 6 - CLADDING THICKNESS Nominal Thickness, Inches Nominal Thickness, mmNominal Cladding Thickness Per Side, % of Thickness Average Cladding Thickness Per Side, % of Thickness, Minimum 0.008 to 0.062, incl 0.203 to 1.57, incl 5 4 Over 0.062 Over 1.57 2
29、.5 2 3.5 Quality The 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 product. 3.5.1 When specified, each plate 0.500 to 1.750 inches (12.70 to 44.45 mm) shall be ultrasonically ins
30、pected in accordance with ASTM B 594 and shall meet the requirements of 3.4.1.1 or 3.4.1.2. 3.5.1.1 Plates shall meet the requirement for ultrasonic class B for plate 0.500 to 1.499 inches (12.70 to 38.07 mm) in nominal thickness. 3.5.1.2 Plates shall meet the requirement for ultrasonic class A for
31、plates 1.500 to 1.750 inches (38.10 to 44.45 mm) in nominal thickness. 3.6 Tolerances Shall conform to all applicable requirements of ANSI H 35.2 or ANSI H 35.2M. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of the product shall supply all samples for vendors tests an
32、d 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 the specified requirements. 4.2 Classification of Tests 4.2.1 Acceptance Tests Composition (3.1), t
33、ensile properties, as annealed (3.3.1) (not applicable to F temper), tensile properties for response to heat treatment to the -T42 temper, (3.3.2), tolerances (3.8) and, when specified, ultrasonic soundness (3.5) are acceptance tests and except for composition, shall be performed on each lot. 4.2.2
34、Periodic Tests Bending as annealed (3.3.1.2) (not applicable to F temper), tensile properties for response to heat treatment to the, -T62 and -T72 tempers (3.3.2) and cladding thickness (3.4.1) are periodic tests and shall be performed at a frequency selected by the vendor unless frequency of testin
35、g is specified by purchaser.SAE AMS4461 Page 6 of 7 4.3 Sampling and Testing Sampling shall be in accordance with AMS2355. 4.4 Reports The vendor of the product shall furnish with each shipment a report stating that the product conforms to the composition and showing the numerical results of tests o
36、n each lot to determine conformance to the tensile properties and, when performed, to the periodic test requirements. This report shall include the purchase order number, lot number, AMS4461, size, and quantity. The report shall also identify the producer, product form, producer lot number, and mill
37、 produced size. 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 666M. 5.2 Protective Treatment Product shall be protected from damage during shipment and/or storage by a method determined by the
38、 vendor unless specified by the purchaser. Typical examples of protective measures include but are not limited to interleaving with paper or oiling of surfaces. 5.3 Packaging Product shall be prepared for shipment in accordance with ASTM B 660 and in compliance with applicable rules and regulations
39、pertaining to the handling, packaging, and transportation of the sheet to ensure carrier acceptance and safe delivery.6. ACKNOWLEDGMENT A vendor shall include this specification number in all quotations and when acknowledging purchase orders. 7. REJECTIONS Product not conforming to this specificatio
40、n, 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)
41、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 in AMS are clarified in ARP1917. 8.3 Dimensions and p
42、roperties 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. SAE AMS4461 Page 7 of 7 8.4 Purchase documents should sp
43、ecify not less than the following: AMS4461 Product form and size of product required. Quantity of product required. 8.5 The tensile properties in Tables 3 and 5 were taken directly from QQ-A-250/5 (AMS-QQ-A-250/5A) and have not been independently verified by AMS statistical procedures. PREPARED BY AMS COMMITTEE “D”
