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 2017 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:/standards.sae.org/AMS4472A AEROSPACE MATERIAL SPECIFICATION AMS4472 REV. A Issued 2011-06 Revised 2017-02 Superseding AMS4472 Aluminum Alloy,
5、 Plate 4.0Cu - 1.0Li - 0.40Mg - 0.35Ag - 0.13Zr (2195-T34) Solution Heat Treated and Stress Relieved (Composition similar to UNS A92195) RATIONALE AMS4472A revises Condition (3.2), Properties (3.3, Tables 2B and 3B), and Reports (4.4), and is a Five-Year Review and update of this specification. 1 SC
6、OPE 1.1 Form This specification covers an aluminum alloy in the form of plate 0.500 to 2.250 inch (12.70 to 57.15 mm) in nominal thickness (see 8.5). 1.2 Application This plate has been used typically for aerospace structural parts requiring strength similar to that of 7475-T7351 but having 4% lower
7、 nominal density, but usage is not limited to such applications. Material is delivered in T34 temper and precipitation heat treated to obtain T82 temper by the end user. 2 APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of the purchase order forms a part of this speci
8、fication 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 published issue of that document shall apply.
9、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 Magnesium Alloy Wrought Products (Exc
10、ept 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 $06$ Page 2 of 5 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Driv
11、e, 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 Identification Marking of Aluminum and Magnesium P
12、roducts ASTM G47 Determining Susceptibility to Stress Corrosion Cracking of High Strength Aluminum Alloy Products 2.3 ANSI Publications Copies of these documents are available online at http:/webstore.ansi.org/. ANSI H35.1/H35.1M Standard Alloy and Temper Designation System for Aluminum ANSI H35.2 D
13、imensional Tolerances for Aluminum Mill Products ANSI H35.2M Dimensional Tolerances for Aluminum Mill Products (Metric) 3 TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the percentages by weight shown in Table 1, determined in accordance with AMS2355. Table 1 - Composition Element Min Max S
14、ilicon - 0.12 Iron - 0.15 Copper 3.7 4.3 Manganese - 0.25 Magnesium 0.25 0.8 Zinc - 0.25 Titanium - 0.10 Zirconium 0.08 0.16 Silver 0.25 0.6 Lithium 0.8 1.2 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum remainder 3.2 Condition 3.2.1 As Received (T34 Temper (see ANSI H35.1/H35.1M)
15、 Solution heat treated in accordance with AMS2772 and stretched to produce a permanent set of at least 3%, but not more than 4%. 3.3 Properties The material shall conform to the following requirements, determined in accordance with AMS2355 on the mill produced size. SAE INTERNATIONAL $06$ Page 3 of
16、5 3.3.1 As Solution Heat Treated and Stretched (T34 Temper (see ANSI H35.1/H35.1M) 3.3.1.1 Tensile Properties shall be as shown in Table 2. Table 2 Table 2A - Minimum tensile properties in T34 temper, inch/pound units Table 2B - Minimum tensile properties in T34 temper, SI units 3.3.2 Response to He
17、at Treatment (T82 Temper (see ANSI H35.1/H35.1M) 3.3.2.1 The material, as received by purchaser, shall have the following properties after precipitation heat treatment to the T82 temper in accordance with AMS2772. Based on thickness Table 3 properties can be achieved by aging in the temperature rang
18、e of 300 to 320 F (149 to 160 C), with aging times of 24 to 40 hours. Tensile properties shall be as shown in Table 3. Table 3 Table 3A - Minimum tensile properties in T82 temper, inch/pound units Nominal Thickness Inches Specimen Orientation Tensile Strength ksi Yield Strength at 0.2% Offset ksi El
19、ongation in 2 inches or 4D % 0.500 to 1.499, incl. Longitudinal 80.0 75.0 6 Long-Trans. 82.0 76.0 5 1.500 to 2.250, incl. Longitudinal 77.0 73.0 6 Long-Trans. 80.0 72.0 5 Short-Trans. 81.0 69.0 2 Table 3B - Minimum tensile properties in T82 temper, SI units Nominal Thickness Millimeters Specimen Ori
20、entation Tensile Strength MPa Yield Strength at 0.2% Offset MPa Elongation in 50.8 mm or 4D % 12.70 to 38.07, incl Longitudinal 552 517 6 Long-Trans. 565 524 5 Over 38.07 to 57.15, incl Longitudinal 531 503 6 Long-Trans. 552 496 5 Short-Trans. 559 476 2 Nominal Thickness Inches Specimen Orientation
21、Tensile Strength ksi Yield Strength at 0.2% Offset ksi Elongation in 2 inches or 4D % 0.500 to 2.250 Long-Trans. 52.0 36.0 14 Nominal Thickness mm Specimen Orientation Tensile Strength MPa Yield Strength at 0.2% Offset MPa Elongation in 2 inches or 4D % 12.70 to 57.15 Long-Trans. 360 250 14 SAE INTE
22、RNATIONAL $06$ Page 4 of 5 3.3.2.2 Stress-Corrosion Resistance Specimens machined and tested in accordance with ASTM G47 from plate 0.750 inch (19.05 mm) and over in nominal thickness, shall show no evidence of stress-corrosion cracking when stressed in the short- transverse direction at 45.0 ksi (3
23、10 MPa) for 30 days. 3.3.3 Mechanical property requirements for product outside of the range covered by Tables 2 and 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 mater
24、ials and from imperfections detrimental to usage of the product. 3.4.1 Each plate shall be ultrasonically inspected in accordance with ASTM B594 and shall meet ultrasonic Class B requirements. 3.5 Tolerance Shall conform to all applicable requirements of ANSI H35.2 or ANSI H35.2M. 4 QUALITY ASSURANC
25、E PROVISIONS 4.1 Responsibility for Inspection The producer of plate shall supply all samples for producerVWHVWVDQGVKDOOEHUHVSRQVLEOHIRUWKHSHUIRUPDQFHRIDOOrequired tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the plate conforms
26、 to the specified requirements. 4.2 Classification of Tests 4.2.1 Acceptance Tests Composition (3.1), tensile properties in as-shipped T34 temper (3.3.1.1), tensile properties after precipitation heat treatment to T82 (3.3.2.1), stress-corrosion resistance in T82 temper (3.3.2.2), ultrasonic soundne
27、ss (3.4.1), and dimensional tolerances (3.5) are acceptance tests and, except for composition, shall be performed on each lot. 4.3 Sampling and Testing Shall be in accordance with AMS2355. 4.4 Reports The producer of the product shall furnish with each shipment a report stating that the plate confor
28、ms to the chemical composition, tolerances and ultrasonic inspection, 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, inspection lot number(s), AMS4472A, size, and q
29、uantity. The report shall also identify the producer, the product form, and the size of the mill product. 4.4.1 When the product is outside the range covered by 1.1, the report shall contain a statement to that effect. 4.5 Resampling and Retesting Shall be in accordance with AMS2355. SAE INTERNATION
30、AL $06$ Page 5 of 5 5 PREPARATION FOR DELIVERY 5.1 Identification Shall be in accordance with ASTM B666/B666M. 5.2 Packaging 5.2.1 Plate shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining to the handling, packaging
31、, and transportation of the plate to ensure carrier acceptance and safe delivery. 5.2.2 Packaging shall be in accordance with ASTM B660 and in compliance with applicable rules and regulations pertaining to the handling, packaging and transportation of the product to ensure carrier acceptance and saf
32、e delivery. 6 ACKNOWLEDGMENT A producer shall mention this specification number in all quotations and when acknowledging purchase orders. 7 REJECTIONS Plate not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8 NOTES 8.1 Revision Indicator
33、 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 complete revision of the document, in
34、cluding technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 Actual heat treating practices may be proprietary. 8.3 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary; dimensio
35、ns 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. 8.4 Terms used in AMS are clarified in ARP1917. 8.5 Procurement documents should specify not less than the following: AMS4472A Size of plate desired Property and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range listed in 1.1 Quantity of plate desired. PREPARED BY AMS COMM,77(
