1、AEROSPACEMATERIAL SPECIFICATIONAMS4353Issued 2014-12Aluminum Alloy, Extruded Round Rod3.5Cu - 1.0Li - 0.40Mg - 0.45Ag - 0.12Zr (2050-T84)Solution Heat Treated, Stress Relieved by Stretching, and Artificially AgedRATIONALEAMS4353 is a new specification to cover aluminum alloy 2050-T84 extruded round
2、rod.1. SCOPE:1.1 FormThis specification covers an aluminum alloy in the form of extruded round rods.1.1.1 This specification covers products from 1.750 to 5.900 inches (44.45 to 150.00 mm) in diameter (See 8.4).1.2 ApplicationThis product has typically been used for parts where low density is needed
3、 in combination with a high level of mechanical properties and good resistance to stress-corrosion cracking, but usage is not limited to such applications.2. APPLICABLE DOCUMENTSThe issue of the following documents in effect on the date of the purchase order forms a part of this specification to the
4、 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.2.1 SAE Publicat
5、ionsAvailable from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org.AMS2355 Quality Assurance, Sampling and Testing, Aluminum Alloys and Magnesium Alloy, Wrought Products (Except Forging Stock),
6、 and Rolled, Forged, or Flash Welded RingsAMS2772 Heat Treatment of Aluminum Alloy Raw MaterialsARP823 Minimizing Stress-Corrosion Cracking in Wrought Heat-Treatable Aluminum Alloy ProductsAS1990 Aluminum Alloy Tempers_SAE Technical Standards Board Rules provide that: “This report is published by SA
7、E 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 therefrom, is the sole responsibility of the user.”SAE reviews each technical report at
8、least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions.Copyright 2014 SAE InternationalAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form
9、 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: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.
10、sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/AMS4353SAE INTERNATIONAL AMS4353 Page 2 of 52.2 ASTM PublicationsAvailable from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel
11、: 610-832-9585, www.astm.org.ASTM B 594 Ultrasonic Inspection of Aluminum-Alloy Wrought Products for Aerospace ApplicationsASTM B 645 Linear-Elastic Plane-Strain Fracture Toughness Testing of Aluminum AlloysASTM B 660 Packaging/Packing of Aluminum and Magnesium ProductsASTM B 666/B 666M Identificati
12、on Marking of Aluminum and Magnesium ProductsASTM E 399 Linear-Elastic Plane-Strain Fracture Toughness KIc of Metallic MaterialsASTM G 47 Determining Susceptibility to Stress-Corrosion Cracking of High Strength Aluminum Alloy Products2.3 ANSI PublicationsAvailable from American National Standards In
13、stitute, 25 West 43rd Street, New York, NY 10036-8002, Tel: 212-642-4900, www.ansi.orgANSI H 35.2 Dimensional Tolerances for Aluminum Mill ProductsANSI H 35.2M Dimensional Tolerances for Aluminum Mill Products (Metric)3. TECHNICAL REQUIREMENTS3.1 CompositionShall conform to the percentages by weight
14、 shown in Table 1, determined in accordance with AMS2355.TABLE 1 - CompositionElement min maxSilicon - 0.08Iron - 0.10Copper 3.2 3.9Manganese 0.20 0.50Magnesium 0.20 0.6ChromiumNickel-0.050.05Zinc - 0.25TitaniumGalliumLithiumSilverVanadiumZirconium-0.70.20-0.060.100.051.30.70.050.14Other Elements, e
15、ach - 0.05Other Elements, total - 0.15Aluminum remainderSAE INTERNATIONAL AMS4353 Page 3 of 53.2 ConditionSolution heat-treated, stretched to produce a nominal permanent set of 4.0% but not less than 3.5% nor more than 5%,and precipitation heat treated to the T84 temper (See AS1990). Solution and pr
16、ecipitation heat treatment shall beperformed in accordance with AMS2772. Actual solution heat treatment temperatures and aging time/temperatures areproprietary.3.3 PropertiesProduct shall conform to the following requirements, determined in accordance with AMS2355 on the mill produced size and as sp
17、ecified herein.3.3.1 Mechanical property requirements for product outside of the range covered by Tables 2 and 3 shall be agreed upon between purchaser and producer.3.3.2 Tensile Properties3.3.2.1 Longitudinal and transverse tensile properties shall be as specified in Table 2.TABLE 2A - Minimum Tens
18、ile Properties, Inch/Pound UnitsNominal Diameter InchesSpecimenOrientationTensileStrength,ksiYield Strength at2% OffsetksiElongation in 2Inches or 4D%1.750-5.900, incl Longitudinal 85.0 82.0 9Transverse 71.0 64.0 4TABLE 2B - Minimum Tensile Properties, SI UnitsNominal Diameter MillimetersSpecimenOri
19、entationTensileStrengthMPaYield Strengthat 2% OffsetMPaElongation in 50.8 PPRU$% 44.45 to 150.00, incl Longitudinal 585 565 8Transverse 490 440 33.3.3 Stress-Corrosion TestSpecimens, cut from material 1.75 inches (44 mm) and over in nominal diameter, shall show no evidence of stress-corrosion cracki
20、ng when tested in accordance with ASTM G 47 and stressed in the transverse direction to 58.0 ksi (400 MPa) for 30 days.3.3.4 Fracture ToughnessWhen specified, plane strain fracture toughness shall be tested in accordance with ASTM E 399 and ASTM B 645 for rod1.750 to 5.900 inches (44.45 to 150.00 mm
21、) inclusive in nominal diameter. A valid KIc meeting the requirements of ASTM E399 or a KQ “useable for lot release” in accordance with ASTM B 645 shall meet or exceed the values specified in Table 3. The required specimen orientation(s) shall be specified by purchaser.TABLE 3A Minimum Fracture Toug
22、hness Parameters, Inch/Pound UnitSNominal Diameter InchesL-RNVLLQFKR-LNVLLQFK1.750-5.900, incl 32 19SAE INTERNATIONAL AMS4353 Page 4 of 5TABLE 3B - Minimum Fracture toughness parameters, SI UnitSNominal Diameter MillimetersL-R03DPR-L03DP44.45 to 150.00, incl 35 213.4 QualityProduct, as received by p
23、urchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from imperfections detrimental to usage of the extrusions.3.4.1 When specified, rod shall be ultrasonically inspected to meet class A requirements in accordance with ASTM B 594. All extrusions in the insp
24、ection lot shall be inspected.3.5 TolerancesShall conform to all applicable requirements of ANSI H35.2 or ANSI H35.2M.4. QUALITY ASSURANCE PROVISIONS4.1 Responsibility for InspectionThe vendor of extrusions shall supply all samples for vendors tests and shall be responsible for the performance of al
25、l required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the extrusions conform to specified requirements.4.2 Classification of Tests4.2.1 Acceptance TestsComposition (3.1), tensile properties (3.3.2.1), stress corrosion resista
26、nce, when specified (3.3.3), fracture toughness, when specified (3.3.4), quality (3.4), 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.4.3 Sampling and TestingShall be in accordance with
27、AMS2355.4.4 ReportsThe vendor of the product shall furnish with each shipment a report stating that the product conforms to the chemical composition, tolerances, and ultrasonic testing when specified, showing the numerical results of tests on each inspection lot to determine conformance to the other
28、 acceptance test requirements and stating that the product conforms to the other specified requirements. This report shall include the purchase order number, inspection lot number, AMS4353, size, and quantity. The report shall also identify the producer, the mill product form, and the mill produced
29、size.4.4.1 When the product size is outside the range covered by Table 2, the report shall contain a statement to that effect.4.5 Resampling and RetestingShall be in accordance with AMS2355.5. PREPARATION FOR DELIVERY5.1 IdentificationShall be in accordance with ASTM B 666/B 666M.SAE INTERNATIONAL A
30、MS4353 Page 5 of 55.2 Protective TreatmentProduct shall be protected from damage during storage and shipment by a method determined by vendor unless specified by purchaser. An example of typical protective method includes but is not limited to oiling of the surface.5.3 PackagingThe product shall be
31、prepared for shipment in accordance with ASTM B 660 and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery.6. ACKNOWLEDGMENTA vendor shall mention this specification number in all
32、 quotations and when acknowledging purchase orders.7. REJECTIONSExtrusions not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection.8. NOTES8.1 A change bar (|) located in the left margin is for the convenience of the user in locating areas wher
33、e 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, including technical revisions. Change bars and (R) are not used in original publications, nor in documen
34、ts that contain editorial changes only.8.2 Terms 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 prim
35、ary units and are presented only for information.8.4 Purchase documents should specify not less than the following:AMS4353Form and size or section identification number of extrusions desiredQuantity of extrusions desiredStress corrosion testing (if required)Fracture toughness testing (if required) and specimen orientationsProperty and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range listed in 1.1.1Ultrasonic testing (if required).PREPARED BY AMS COMMITTEE “D”
