SAE AMS 4416B-2017 Aluminum Alloy Extruded Profiles (2196-T8511) 2 9Cu - 1 7Li - 0 4Mg - 0 4Ag - 0 10Zr Solution Heat Treated Stress Relieved by Stretching and Artificially Aged (U.pdf

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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 2017 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/AMS4416B AEROSPACE MATERIAL SPECIFICATION AMS4416 REV. B Issued 2008-07 Revised 2017-05 Superse

5、ding AMS4416A Aluminum Alloy, Extruded Profiles (2196-T8511) 2.9Cu - 1.7Li - 0.4Mg - 0.4Ag - 0.10Zr Solution Heat Treated, Stress Relieved by Stretching and Artificially Aged (Composition similar to UNS A92196) RATIONALE AMS4416B revises Composition (Table 1), Properties (3.4), Acceptance Tests (4.2

6、.1), Reports (4.4), and Identification (5.1.1), adds mechanical properties for an expanded range of extrusion product thickness (Tables 2 A and B), and replaces AS1990 with ANSI H35.1 (3.2). 1. SCOPE 1.1 Form This specification covers an aluminum-lithium alloy in the form of extruded profiles 0.040

7、to 1.000 inch, incl in thickness (see 8.5). 1.2 Application These extrusions have been used typically for machined parts requiring dimensional stability during machining processes, and high strength, but usage is not limited to such applications. 1.2.1 Certain processing procedures may cause this pr

8、oduct to become susceptible to stress-corrosion cracking; ARP823 recommends practices 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

9、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. SAE INTERNATIONAL AMS4416B Page 2 of 5 2.1 SAE Publica

10、tions 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, Except Forging S

11、tock, and Rolled, Forged, or Flash Welded Rings AMS2772 Heat Treatment of Aluminum Alloy Raw Materials ARP823 Minimizing Stress-Corrosion Cracking in Wrought Heat-Treatable Aluminum Alloy Products ARP1917 Clarification of Terms Used in Aerospace Metals Specifications 2.2 ASTM Publications Available

12、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 Wrought Products for Aerospace Applications ASTM B660 Packaging/Packing of Aluminum and Magnesium Products ASTM B666/B66

13、6M Identification Marking of Aluminum and Magnesium Products 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 Aluminum Mill Products A

14、NSI 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 Table 1, determined in accordance with AMS2355. Table 1 - Composition Element Min. Max. Silicon - 0.12 Iron - 0.15 Copper 2.5 3.3 Ma

15、nganese 0.35 Magnesium 0.25 0.8 Zinc - 0.35 Titanium - 0.10 Zirconium 0.04 0.18 Silver 0.25 0.6 Lithium 1.4 2.1 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum remainder SAE INTERNATIONAL AMS4416B Page 3 of 5 3.2 Condition Extruded, solution heat treated and stress relieved by stre

16、tching to produce a nominal permanent set of 2.5%, but not less than 1% nor more than 4%, and aged to T8511 temper (see ANSI H35.1/H35.1M). 3.2.1 Product shall be supplied with an as-extruded surface finish; light polishing to remove minor surface conditions is permissible provided such conditions c

17、an be removed within specified dimensional tolerances. 3.2.2 Product may receive minor straightening, after stretching, of an amount necessary to meet the requirements of 3.6. 3.3 Heat Treatment Solution heat treatment shall be in accordance with AMS2772 as applicable to 2XXX alloys. Aging treatment

18、 is considered proprietary. 3.4 Properties Product shall conform to the following requirements, determined on the mill produced size in accordance with AMS2355: 3.4.1 Longitudinal tensile properties of extrusions, with a maximum cross-sectional area of 19 square inches (123 cm) and a maximum circle

19、size of 11 inches (279 mm), shall be as specified in Table 2. 3.4.2 Mechanical properties for product outside the range covered by 1.1 shall be agreed upon between purchaser and producer. Table 2 Table 2A - Minimum tensile properties, inch/pound units Table 2B - Minimum tensile properties, SI units

20、Nominal Thickness Millimeters Specimen Orientation Tensile Strength MPa Yield Strength At 0.2% Offset MPa Elongation in 50.8 mm % 1.00 to 1.60, incl Longitudinal 517 476 6 Over 1.60 to 3.20 incl Longitudinal 524 476 6 Over 3.20 to 6.30, incl Longitudinal 524 490 7 Over 6.30 to 25.40, incl Longitudin

21、al 538 490 5 3.5 Quality Products, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from conditions detrimental to usage of the extrusions. 3.5.1 When specified, each extruded profile having a maximum width-to-thickness ratio of 10:1 sha

22、ll meet ultrasonic class B requirements, as described in ASTM B594. 3.6 Tolerances Shall conform to all applicable requirements of ANSI H 35.2 or ANSI H 35.2M. Nominal Thickness Inches Specimen Orientation Tensile Strength ksi Yield Strength At 0.2% Offset ksi Elongation in 2 inches or 4D % 0.040 to

23、 0.062, incl Longitudinal 75.0 69.0 6 Over 0.062 to 0.125, incl Longitudinal 76.0 69.0 6 Over 0.125 to 0.249, incl Longitudinal 76.0 71.0 7 Over 0.249 to 1.000, incl Longitudinal 78.0 71.0 5 SAE INTERNATIONAL AMS4416B Page 4 of 5 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The

24、vendor of the products shall supply all samples for vendors 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 products conform to specified requirements. 4.2 Cla

25、ssification of Tests 4.2.1 Acceptance Tests Composition (3.1), longitudinal tensile properties (3.4.1), ultrasonic inspection when specified (3.5.1), and tolerances (3.6) are acceptance tests and, except for composition, shall be performed on each inspection lot. 4.3 Sampling and Testing Shall be in

26、 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, ultrasonic inspection when specified, and tolerances and showing the numerical results of tests on each inspection lot to determine conforma

27、nce to the other acceptance test requirements. This report shall include the purchase order number, inspection lot number, AMS4416A, 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 p

28、roduct size is outside the range covered by 1.1, the report shall contain a statement to that effect. 4.4.2 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), t

29、he report shall contain a statement “This material is certified as AMS4416B(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

30、with ASTM B666/B666M. 5.1.1 When technical exceptions are taken (see 4.4.2), the material shall be marked with AMS4416B(EXC). 5.2 Packaging Products shall be prepared for shipment in accordance with ASTM B660 and in compliance with applicable rules and regulations pertaining to the handling, packagi

31、ng, and transportation of the product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGEMENT A vendor shall include this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS Products not conforming to this specification, or

32、to modifications authorized by purchaser, will be subject to rejection. SAE INTERNATIONAL AMS4416B Page 5 of 5 8. NOTES 8.1 Revision Indicator A change bar (I) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been

33、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 Extrusions p

34、roduced to this specification exhibit a thin re-crystallized surface layer similar to other high strength 2xxx alloys. Limits on the thickness of the re-crystallized surface layer can be guaranteed for specific profiles if requested by purchaser. 8.3 Terms used in AMS are clarified in ARP1917. 8.4 D

35、imensions 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 information. 8.5 Purchase documents should specify not less than the following: AMS4416B Form and size or section identification of extrusions desired Quantity of extrusions desired Ultrasonic inspection standards of extrusions when specified (see 3.5.1). PREPARED BY AMS COMMITTEE “D”