SAE AMS 4221E-2016 Aluminum Alloy Plate 4 4Cu - 1 5Mg - 0 60Mn (2124-T8151) Solution Heat Treated Stress Relieved and Precipitation Heat Treated (UNS A92124).pdf

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1、_ 6$(7HFKQLFDO6WDQGDUGV%RDUG5XOHVSURYLGHWKDW7KLVUHSRUWLVSX EOLVKHGE6$(WRDGYDQFHWKHVWDWHRIWHFKQLFDOD nd 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, LVWKHVROHUHVSR

2、QVLELOLWRIWKHXVHU 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:/standards.sae.org/AMS4221E AEROSPACE MATERIAL SPECIFICATION AMS4221 REV. E Issued 1988-07 Revised 2016-12 Superseding AMS4221D Aluminum Alloy,

5、 Plate 4.4Cu - 1.5Mg - 0.60Mn (2124-T8151) Solution Heat Treated, Stress Relieved, and Precipitation Heat Treated (Composition similar to UNS A92124) RATIONALE AMS4221E revises Properties (3.3.3, 3.3.4, Tables 2 and 3), deletes a redundant paragraph from Classification of Tests (4.2.1), and revises

6、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 plate 1.500 inches (38.10 mm) to 6.000 inches (152.40 mm) in nominal thickness (see 8.4). 1.2 Applications This plate has been used typically for

7、parts requiring a high level of mechanical properties up to 300 F (149 C), but usage is not limited to such applications. 1.2.1 Certain design and fabrication procedures may cause plate to become susceptible to stress-corrosion cracking; ARP823 recommends practices to minimize such conditions. 2. AP

8、PLICABLE 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 docum

9、ent has been cancelled and no superseding document has been specified, the last published issue of that document shall apply. SAE INTERNATIONAL AMS4221E Page 2 of 7 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA

10、 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), and Rolled, Forged, or Flash Welded Rings AMS2772 Heat Treatment of Aluminum Alloy Raw Materials ARP823 Minimizin

11、g Stress-Corrosion Cracking in Wrought Heat-Treatable Aluminum Alloy Products ARP1917 Clarification of Terms Used in Aerospace Metals Specifications 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

12、.astm.org. ASTM B594 Ultrasonic Examination of Aluminum-Alloy Wrought Products ASTM B645 Linear-Elastic Plane-Strain Fracture Toughness Testing of Aluminum Alloys ASTM B660 Packaging/Packing of Aluminum and Magnesium Products ASTM B666/B666M Identification Marking of Aluminum Products ASTM E399 Line

13、ar-Elastic Plane-Strain Fracture Toughness (KIc) of Metallic Materials ASTM G47 Standard Test Method for Determining Susceptibility to Stress-Corrosion Cracking of 2XXX and 7XXX Aluminum Alloy Products 2.3 ANSI Accredited Publications Copies of these documents are available online at http:/webstore.

14、ansi.org/. ANSI H35.2 Dimensional 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 - Compo

15、sition Element Min Max Silicon - 0.20 Iron - 0.30 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 SAE INTERNATIONAL AMS4221E Page 3 of 7 3.2 Condition Solution heat treated, st

16、ress relieved by stretching to produce a nominal permanent set of 2%, but not less than 1-1/2% nor more than 3%, and precipitation heat-treated; heat treatment shall be in accordance with AMS2772. 3.2.1 Plate shall receive no further straightening operations after stretching. 3.3 Properties Plate sh

17、all conform to the following requirements in accordance with AMS2355, except that fracture toughness (3.3.3) shall be performed as indicated in the appropriate paragraph; tests are to be performed on the mill produced size. 3.3.1 Tensile Properties Shall be as shown in Table 2, determined in accorda

18、nce with AMS2355; tensile properties apply in the long-transverse direction and, when specified, in the longitudinal and/or short-transverse direction. Table 2A - Minimum tensile properties, inch/pound units Nominal Thickness Inches Specimen Orientation Tensile Strength ksi Yield Strength at 0.2% Of

19、fset ksi Elongation in 2 Inches or 4D % 1.500 to 2.000, incl Longitudinal 68.0 62.0 8 Long-Trans 68.0 62.0 7 Short-Trans. 65.0 57.0 2 Over 2.000 to 3.000, incl Longitudinal 67.0 60.0 8 Long-Trans 67.0 60.0 7 Short-Trans. 64.0 57.0 2 Over 3.000 to 4.000, incl Longitudinal 67.0 59.0 7 Long-Trans 67.0

20、59.0 6 Short-Trans. 64.0 57.0 2 Over 4.000 to 5.000, incl Longitudinal 66.0 58.0 6 Long-Trans 66.0 58.0 6 Short-Trans. 63.0 55.0 2 Over 5.000 to 6.000, incl Longitudinal 65.0 57.0 6 Long-Trans 65.0 56.0 5 Short-Trans. 62.0 54.0 2 SAE INTERNATIONAL AMS4221E Page 4 of 7 Table 2B - Minimum tensile prop

21、erties, SI units Nominal Thickness Millimeters Specimen Orientation Tensile Strength MPa Yield Strength at 0.2% Offset MPa Elongation in 50.8 mm or 4D % 38.1 to 50.8, incl Longitudinal 469 427 8 Long-Trans 469 427 7 Short-Trans. 448 393 2 Over 50.8 to 76.2, incl Longitudinal 462 414 8 Long-Trans 462

22、 414 7 Short-Trans. 441 393 2 Over 76.2 to 101.6, incl Longitudinal 462 407 7 Long-Trans 462 407 6 Short-Trans. 441 393 2 Over 101.6 to 127, incl Longitudinal 455 400 6 Long-Trans 455 400 6 Short-Trans. 434 379 2 Over 127 to 152.4, incl Longitudinal 448 393 6 Long-Trans 448 386 5 Short-Trans. 427 37

23、2 2 3.3.2 Stress-Corrosion Resistance When specified, specimens as in 4.3.2 from plate 1.500 to 6.000 inches (38.10 to 152.40 mm), inclusive, in nominal thickness shall show no evidence of stress-corrosion cracking when stressed to 50% of the specified minimum long-transverse yield strength and test

24、ed in accordance with ASTM G47. 3.3.3 Fracture Toughness For product 1.500 to 6.000 inches (38.10 to 152.40) thick, plane-strain fracture toughness (KIc) shall be determined in accordance with ASTM E399 and ASTM B645 in the L-T specimen orientation, and other orientations as specified by the purchas

25、er. A valid KIc meeting the requirements of ASTM E399 or a KQ XVHDEOHIRUORWUHOHDVHLQDFFRUGDQFH ZLWKASTM B645 shall meet or exceed the values specified in Table 3. Table 3A - 0LQLPXP.,FRU.4XVHDEOHIRUORWUHOHDVHIUDFWXUHWRXJKQHVVLQFKSRXQGXQLWV Nominal Thickness Inches Specimen Orientation L Tksi inch Sp

26、ecimen Orientation T Lksi inch Specimen Orientation S Lksi inch 1.500 to 2.000, incl 26 23 19 Over 2.000 to 4.000, incl 26 22 20 Over 4.000 to 6.000, incl 25 21 21 SAE INTERNATIONAL AMS4221E Page 5 of 7 Table 3B - Minimum KIc RU.4XVHDEOHIRUORWUHOHDVHIUDFWXUHWRXJKQHVV6,XQLWV Nominal Thickness Millime

27、ters Specimen Orientation L TMPa m Specimen Orientation T LMPa m Specimen Orientation S LMPa m 38.10 to 50.80, incl 28.6 25.3 20.9 Over 50.80 to 101.60, incl 28.6 24.2 22.0 Over 101.60 to 152.40, incl 27.5 23.1 23.1 3.3.4 Mechanical property requirements for product outside the range covered by 1.1

28、shall be agreed upon between purchaser and producer. 3.4 Quality Plate, 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 plate. 3.4.1 Each plate shall be ultrasonically inspected in accordan

29、ce with ASTM B594 and shall meet the requirements for Class A. 3.5 Tolerances Shall conform to all applicable requirements of ANSI H35.2 or ANSI H35.2M. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The producer of plate shall supply all samples for producers tests and shall be r

30、esponsible 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 plate conforms to specified requirements. 4.2 Classification of Tests Composition (3.1), long-transverse tensile properties and, wh

31、en specified, longitudinal and/or short-transverse tensile properties (3.3.1), stress-corrosion resistance (3.3.2) when specified, fracture toughness (3.3.3), ultrasonic soundness (3.4.1), and tolerances (3.5) are acceptance tests and, except for composition, shall be performed on each inspection lo

32、t. 4.3 Sampling and Testing Shall be in accordance with AMS2355 and the following: 4.3.1 Tensile specimens shall be taken with the axis of specimens in the long-transverse direction and, when specified, in the longitudinal and/or short-transverse directions. 4.3.2 Specimens for stress-corrosion test

33、ing shall be taken parallel to the short-transverse grain direction from the center width of one or more plates from each inspection lot. 4.3.3 Specimens for fracture-toughness testing shall be taken from the center width of one or more plates in each inspection lot for each test direction specified

34、. SAE INTERNATIONAL AMS4221E Page 6 of 7 4.4 Reports The producer of sheet shall furnish with each shipment a report stating that the product conforms to the chemical composition, tolerances, and ultrasonic test requirements and showing numerical results of tests for the other acceptance test requir

35、ements. This report shall include the purchase order number, inspection lot number(s), AMS4221E, size, and quantity. The report shall also identify the producer, the product form, and the mill product size. 4.4.1 When the product size is outside the range covered by 1.1 the report shall contain a st

36、atement to that effect. 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 Plate shall be prepared for shipment in accordance with ASTM B660 and in compliance with applicable rule

37、s and regulations pertaining to the handling, packaging, and transportation of the plate 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. REJECTION

38、S Plate 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,

39、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, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 Te

40、rms used 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 informa

41、tion. SAE INTERNATIONAL AMS4221E Page 7 of 7 8.4 Purchase documents should specify not less than the following: AMS4221E Size of plate desired Quantity of plate desired Property and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range listed in 1.1. When stress-corrosion resistance testing (see 3.3.2) is required. Specify if T-L and/or S-L fracture toughness testing is required Specify if long transverse and/or short transverse tensile testing is required. PREPARED BY AMS COMMITTEE “D“