SAE AMS 4359-2016 Aluminum Alloy Extruded Profiles (2395-T84) 3 95Cu - 1 15Li - 0 3Ag - 0 5Mg - 0 1Zr Solution Heat Treated Stress Relieved by Stretching and Aged.pdf

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1、_ SAE 7HFKQLFDO6WDQGDUGV%RDUG5XOHVSURYLGHWKDW7KLVUHSRUWLVSXEOLVKH GE6$(WRDGYDQFHWKHVWDWHRIWHFKQLFDODQGHQJLQHHU ing sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including DQSDWHQWLQIULQJHPHQWDULVLQJWKHUHIURPLVWKHVROHUHVSRQVLELOL

2、W RIWKHXVHU 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, store

3、d 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: 724-776-0790 E

4、mail: 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/AMS4359 AEROSPACE MATERIAL SPECIFICATION AMS4359 Issued 2016-07 Aluminum Alloy, Extruded Profiles (2395-T84) 3.95Cu

5、- 1.15Li - 0.3Ag - 0.5Mg - 0.1Zr Solution Heat Treated, Stress Relieved by Stretching, and Aged RATIONALE This is a new specification for 2395 extrusions in the T84 temper. 1. SCOPE 1.1 Form This specification covers an aluminum alloy in the form of extruded rods, bars, and profiles (shapes) 0.040 t

6、o 1.500 inches (1.02 to 38.10 mm), inclusive, in thickness, and produced with maximum cross sectional area of 23.25 in2 (15000 mm2) and a maximum circumscribing circle diameter (circle size) of 15.5 inches (394 mm) (see 8.4.1). 1.2 Application These extrusions have been used typically for structural

7、 aerospace applications requiring low density and high strength and stiffness combined with good corrosion resistance, but are not limited to these applications. 1.2.1 Certain processing procedures may cause this product to become susceptible to stress-corrosion cracking; ARP823 recommends practices

8、 to minimize such conditions. 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 s

9、pecified. When the referenced 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

10、 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 Minimizing Stre

11、ss-Corrosion Cracking in Wrought Heat-Treatable Aluminum Alloy Products ARP1917 Clarification of Terms Used in Aerospace Metals Specifications SAE INTERNATIONAL AMS4359 Page 2 of 6 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19

12、428-2959, Tel: 610-832-9585, www.astm.org. ASTM B594 Ultrasonic Inspection of Aluminum Alloy Wrought Products ASTM B660 Packaging of Aluminum and Magnesium Products ASTM B666/B666M Identification Marking of Aluminum and Magnesium Products ASTM E9 Compression Testing of Metallic Materials at Room Tem

13、perature ASTM G34 Exfoliation Corrosion Susceptibility in 2xxx and 7xxx Aluminum Alloys (EXCO Test) ASTM G47 Determining Susceptibility to Stress-Corrosion Cracking of 2xxx and 7xxx Aluminum Alloy Products ASTM G85 Modified Salt Spray (Fog) Testing, Annex 2 (Cyclic acidified salt spray test Dry bott

14、om MASTMAASIS) ASTM G112 Conducting Exfoliation Corrosion Tests in Aluminum Alloys 2.3 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 A

15、luminum 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 shown in Table 1, determined in accordance with AMS2355. Table 1 - Composition Element min max Silicon - 0.08 Iron - 0.10

16、 Copper 3.6 4.3 Manganese - 0.35 Magnesium 0.25 0.8 Zinc - 0.25 Titanium Silver Lithium Zirconium - 0.10 0.9 0.05 0.10 0.45 1.4 0.15 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum Remainder SAE INTERNATIONAL AMS4359 Page 3 of 6 3.2 Condition Extruded, solution heat treated and str

17、ess relieved by stretching to produce a nominal permanent set of 2% to 5% (target of 3%) and then artificially aged to the T84 temper (see ANSI H35.1/H35.1M). Solution and precipitation heat treatment shall be performed in accordance with AMS2772 as applicable to 2xxx alloys. The actual practices ar

18、e considered proprietary. 3.2.1 Products shall be supplied with an as-extruded surface finish; light polishing to remove minor surface conditions is permissible provided such conditions can be removed within specified dimensional tolerances. 3.2.2 Product may receive minor straightening, after stret

19、ching, of an amount necessary to meet the requirements of 3.5. 3.3 Properties Product shall conform to the following requirements, determined on the mill produced size in accordance with AMS2355. 3.3.1 Mechanical property requirements for products outside the range covered by 1.1 and Table 2 shall b

20、e agreed upon by the purchaser and producer. 3.3.2 Longitudinal and, when specified, long transverse tensile properties shall be as specified in Table 2. Table 2A - Minimum tensile properties, inch/pound units Nominal Thickness Inches Specimen Orientation Tensile Strength ksi Yield Strength At 0.2%

21、Offset ksi Elongation in 2 inches or 4D % 0.040 to 0.125, incl Longitudinal Long-Transverse 84.0 85.0 78.0 78.0 6 5 0.126 to 0.249, incl Longitudinal Long-Transverse 85.0 85.0 78.0 78.0 6 5 0.250 to 0.499, incl Longitudinal Long-Transverse 85.0 85.0 79.0 78.0 6 5 0.500 to 1.500, incl Longitudinal Lo

22、ng-Transverse 90.0 85.0 83.0 78.0 7 5 TABLE 2B - Minimum Tensile Properties, SI Units Nominal Thickness Millimeters Specimen Orientation Tensile Strength MPa Yield Strength At 0.2% Offset MPa Elongation in 50.8 mm or 5D % 1.02 to 3.18, incl Longitudinal Long-Transverse 579 586 538 538 6 5 3.20 to 6.

23、32, incl Longitudinal Long-Transverse 586 586 538 538 6 5 6.35 to 12.67, incl Longitudinal Long-Transverse 586 586 545 538 6 5 12.70 to 38.10, incl Longitudinal Long-Transverse 621 586 572 538 6 4 SAE INTERNATIONAL AMS4359 Page 4 of 6 3.3.3 Compression Yield Strength When specified, the longitudinal

24、 compression strength, determined in accordance with ASTM E9, shall be as shown in Table 3. Table 3A - Minimum compressive yield properties, inch/pound units Nominal Thickness Inches Specimen Orientation Longitudinal Compressive Yield Strength ksi 0.040 to 0.125, incl Longitudinal 79.0 0.126 to 0.24

25、9, incl Longitudinal 80.0 0.250 to 0.499, incl Longitudinal 80.0 0.500 to 1.500, incl Longitudinal 83.0 Table 3B - Minimum compressive yield properties, SI units Nominal Thickness Millimeters Specimen Orientation Longitudinal Compressive Yield Strength MPa 1.02 to 3.18, incl Longitudinal 545 3.20 to

26、 6.32, incl Longitudinal 552 6.35 to 12.67, incl Longitudinal 552 12.70 to 38.10, incl Longitudinal 572 3.3.4 Exfoliation Corrosion Resistance Specimens cut from extrusions shall not exhibit exfoliation corrosion at a T/10 plane greater than that illustrated by Photograph EA, Figure 2, of ASTM G34 w

27、hen specimens are exposed for 2 weeks according to the procedures specified in ASTM G85 Annex 2, using the dry-bottom MASTMAASIS Test Method (see 8.3). 3.4 Quality Products, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from condition

28、s detrimental to usage of the extrusions. 3.4.1 When specified, each extrusion shall be subjected to ultrasonic inspection in accordance with ASTM B594. Extrusions with section thicknesses 0.500 to 1.500 inches (12.7 to 38.1 mm), inclusive, shall meet ultrasonic Class B requirements, as described in

29、 ASTM B594. 3.5 Tolerances Shall conform to all applicable requirements of ANSI H35.2 or ANSI H35.2M. SAE INTERNATIONAL AMS4359 Page 5 of 6 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection 7KHSURGXFHURIWKHSURGXFWVVKDOOVXSSODOOVDPSOHVIRUSURGXFHUVWHVWVDQGVKDOO EHUHVSRQVLEOHIRUWKHSHUIR

30、UPDQFHRIall required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the products conform to specified requirements. 4.2 Classification of Tests 4.2.1 Acceptance Tests Composition (3.1), longitudinal and long transverse (when spec

31、ified) tensile properties (3.3.2), compression yield strength (when specified) (3.3.3), ultrasonic inspection (when specified) (3.4.1), and tolerances (3.5) are acceptance tests and, except for composition, shall be performed on each inspection lot. 4.2.2 Periodic Tests Exfoliation corrosion resista

32、nce (3.3.4) is a periodic test and shall be performed at a frequency selected by the producer unless frequency of testing is specified by the purchaser. 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 sta

33、ting that the product conforms to the composition, ultrasonic inspection when specified, and tolerances and 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, inspectio

34、n lot number, AMS4359, size or section identification number, and quantity. This report shall also identify the producer, the product form, and the size of the mill product. 4.4.1 When the product size is outside the range covered by 1.1 and Table 2, the report shall contain a statement to that effe

35、ct. 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 Products shall be prepared for shipment in accordance with ASTM B660 and in compliance with applicable rules and regulations

36、 pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGEMENT A producer shall mention this specification number in all quotations and when acknowledging purchase orders. 7. REJECTIONS Products not conforming to this spec

37、ification, or to modifications authorized by purchaser, will be subject to rejection. SAE INTERNATIONAL AMS4359 Page 6 of 6 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 change

38、s, 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

39、 Extrusions produced to this specification exhibit a thin recrystallized surface layer similar to other high strength 2xxx alloys. Limits on the thickness of the recrystallized surface layer can be guaranteed for specific profiles if requested by purchaser. 8.3 The solution used for exposure by ASTM

40、 G34, the EXCO Test, has been determined to be inappropriate for Al-Li alloy. For further information on this review refer to ASTM G112, which describes limitations on this test method for Al-Li alloys. 8.4 Terms used in AMS are clarified in ARP1917 and the following: 8.4.1 The circumscribing circle

41、 diameter is the diameter of the smallest circle which completely encloses the cross section of the as-extruded product. 8.5 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

42、approximate equivalents of the primary units and are presented only for information. 8.6 Purchase documents should specify not less than the following: AMS4359 Product form and size or section identification of extrusions desired Quantity of extrusions desired Property and acceptance requirements fr

43、om the cognizant engineering organization applicable to sizes outside the range listed in 1.1 Ultrasonic inspection standards of extrusions outside the size range of 3.4.1, when specified Long transverse tensile testing when specified Compressive yield strength testing when specified. PREPARED BY AMS COMM,77(