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 2018 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:/standards.sae.org/AMS4462A AEROSPACE MATERIAL SPECIFICATION AMS4462 REV. A Issued 2011-12 Revised 2018-01 Superse
5、ding AMS4462 Aluminum Alloy, Sheet and Plate, Alclad 4.4Cu - 1.5Mg - 0.60Mn (Alclad 2024, -T3 Sheet, -T351 Plate) Solution Heat Treated, Cold Worked and Naturally Aged (Composition similar to UNS A82024) RATIONALE AMS4462 revises Condition (3.2), Properties (3.3), Tables 2, 3, and 4, Ultrasonic Insp
6、ection (3.7), Classification of Tests (4.2), Reports (4.4), and Identification (5.1.1), 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 alclad sheet and plate 0.008 to 1.000 inches (0.203 to 25.4 mm) supplied in
7、 the -T3/-T351 temper. 1.2 Application These products have been used typically for medium strength parts requiring formability and maximum corrosion resistance and whose fabrication does not involve welding, but usage is not limited to such applications. 2. APPLICABLE DOCUMENTS The issue of the foll
8、owing 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 document has been cancelled and no supersedin
9、g 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 +1 724-776-4970 (outside USA), www.sae.org. AMS2355 Quality Ass
10、urance, 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 ARP1917 Clarification of Terms Used in Aerospace Metals Specifications SAE INTERNATIONAL AMS446
11、2A Page 2 of 6 2.2 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 H 35.2 Dimensional Tolerances for Aluminum Mill Products ANSI H 35.2M Dimensional Tolerances for Aluminu
12、m Mill Products (Metric) 2.3 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 B594 Ultrasonic Inspection of Aluminum-Alloy Products for Aerospace Applications ASTM B660 Packaging/Packing
13、 of Aluminum and Magnesium Products ASTM B666/B666M Identification of Aluminum and Magnesium Alloy Products 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the percentages by weight as shown in Tables 1 and 2, determined in accordance with AMS2355. Table 1 - Composition, core (2024) Eleme
14、nt 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 Aluminum remainder Table 2 - Composition, cladding (1230) Element Min Max Iron + Silicon - 0.70 Copper - 0.10
15、 Manganese - 0.05 Magnesium - 0.05 Zinc - 0.10 Titanium Vanadium - 0.03 0.05 Other Elements, each - 0.03 Aluminum 99.30 - SAE INTERNATIONAL AMS4462A Page 3 of 6 3.2 Condition The product shall be supplied in the following condition: 3.2.1 Sheet Solution heat treated, cold worked and naturally aged t
16、o the T3 temper in accordance with AMS2772 (see 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 naturally aged to the T351 temper in accordance with AMS2772 (see ANSI H35.1/H35.1M). 3.2.2.1 Plate shal
17、l receive no further straightening operations after stretching. 3.3 Properties The product shall 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 3 (see 8.3). Table 3 Table 3A - Minimum tensile
18、 properties, inch/pound units Temper Nominal Thickness, Inches Tensile Strength, ksi Yield Strength at 0.2% Offset, ksi Elongation in 2 Inches or 4D, % -T3 0.008 thru 0.009 0.010 thru 0.020 0.021 thru 0.062 0.063 thru 0.128 0.129 thru 0.249 58.0 59.0 59.0 61.0 62.0 39.0 39.0 39.0 40.0 40.0 10 12 15
19、15 15 -T351 0.250 thru 0.499 0.500 thru 1.000 62.0 63.0 40.0 42.0 12 8 Table 3B - Minimum tensile properties, SI units Temper Nominal Thickness, Millimeters Tensile Strength, MPa Yield Strength at 0.2% Offset, MPa Elongation in 50.8 mm or 4D, % -T3 0.203 thru 0.229 0.254 thru 0.508 0.533 thru 1.575
20、1.600 thru 3.251 3.277 thru 6.325 400 407 407 421 427 269 269 269 276 276 10 12 15 15 15 -T351 6.35 thru 12.67 12.70 thru 25.40 427 434 276 290 12 8 SAE INTERNATIONAL AMS4462A Page 4 of 6 3.4 Cladding Thickness 3.4.1 Thickness of Cladding Plates The aluminum alloy plates that are bonded to the two s
21、ides of the aluminum alloy (2024) ingot or slab, to form a composite that is to be rolled, shall each have a thickness as specified in Table 4. Table 4 - Cladding thickness Nominal Thickness, Inch Nominal Thickness, mm Nominal Cladding Thickness Per Side, % of Thickness Average Cladding Thickness Pe
22、r Side, % of Thickness, Minimum 0.010 thru 0.062 0.25 thru 1.57 5 4 0.063 and above 1.60 and above 2.5 2 3.5 Mechanical property requirements for product outside the range covered by Tables 3 shall be agreed upon between purchaser and producer. 3.6 Quality The product, as received by purchaser, shal
23、l be uniform in quality and condition, sound, and free from foreign materials and from imperfections detrimental to usage of the product. 3.7 Ultrasonic Inspection 3.7.1 When specified, each plate 0.500 to 1.000 inches (12.70 to 25.40 mm) shall be ultrasonically inspected in accordance with ASTM B59
24、4 and shall meet the requirements of 3.7.1.1. 3.7.1.1 Plates shall meet the requirement for ultrasonic class B for plate 0.500 to 1.000 inches (12.70 to 25.40 mm) in nominal thickness. 3.8 Tolerances Shall conform to all applicable requirements of ANSI H35.2/H35.2M. 4. QUALITY ASSURANCE PROVISIONS 4
25、.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 that the product con
26、forms to specified requirements. 4.2 Classification of Tests 4.2.1 Acceptance Tests Composition (3.1), tensile properties (3.3.1), and tolerances (3.8) and, when specified, ultrasonic soundness (3.7.1) are acceptance tests and except for composition, shall be performed on each lot. 4.2.2 Periodic Te
27、sts Cladding thickness (3.4.1) is a periodic test and shall be performed at a frequency selected by the producer unless frequency of testing is specified by purchaser. SAE INTERNATIONAL AMS4462A Page 5 of 6 4.3 Sampling and Testing Shall be in accordance with AMS2355. 4.4 Reports The producer of the
28、 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 number, lot number, AMS4462A, size, and quantity. Th
29、e report shall also identify the producer, the product form, and the size of the mill product. 4.4.1 When material produced to this specification is beyond the sizes allowed in the scope or tables, or other exceptions are taken to the technical requirements listed in Section 3 (see 5.1.1), the repor
30、t shall contain a statement “This material is certified as AMS4462A(EXC) because of the following exceptions”, and the specific exceptions shall be listed. 4.5 Resampling and Retesting Shall be in accordance with AMS2355. 5. PREPARATION FOR DELIVERY 5.1 Identification Shall be in accordance with AST
31、M B666/B666M. 5.1.1 When technical exceptions are taken (see 4.4.2), the material shall be marked with AMS4462(EXC). 5.2 Packaging 5.2.1 Product shall be protected from damage during storage and shipment by a method determined by the producer unless specified by purchaser. Examples of typical protec
32、tive 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 regulations pertaining to the handling, packaging, and transportation of the product
33、 to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A producer shall mention this specification number 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
34、rejection. 8. NOTES 8.1 Terms used in AMS are clarified in ARP1917. 8.2 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 primary units and are presente
35、d only for information. 8.3 The tensile properties in Tables 3 and 5 were taken directly from QQ-A-250/5F Amendment 2 (AMS-QQ-A-250/5A) and have not been independently verified by AMS statistical procedures. SAE INTERNATIONAL AMS4462A Page 6 of 6 8.4 Unless otherwise specified, the casting producer
36、shall work to the revision of this specification (AMS4462) in effect on the date of order placement. Unless otherwise specified, castings manufactured and certified to the immediately previous revision of this specification (AMS4462) may be procured and used until inventory is depleted. 8.5 Purchase
37、 documents should specify not less than the following: AMS4462A Product form and size of product desired Quantity of product desired Ultrasonic Inspection (if required) (see 3.7.1) 8.6 Property and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range listed in 1.1. PREPARED BY AMS COMMITTEE “D“
