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 theref
2、rom, 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 2015 SAE InternationalAll rights reserved. No part of this publi
3、cation 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: +1 724-776-4970 (out
4、side USA)Fax: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/AMS4272AEROSPACEMATERIAL SPECIFICATIONAMS4272Issued 2015-12Aluminum Alloy, Alclad Sheet and P
5、late (Alclad 2029-T8)3.6 Cu, 0.30 Mn, 0.95 Mg, 0.40 Ag, 0.12 ZrSolution Heat Treated, Cold Worked and AgedRATIONALEAMS4272 is a new specification for Alclad 2029-T8 sheet and plate.1. SCOPE1.1 FormThis specification covers an aluminum alloy in the form of sheet and plate, clad on both sides, from 0.
6、063 to 0.600 inch inclusive (1.60 to 15.24 mm, inclusive), in nominal thickness (see 8.5).1.2 ApplicationThese products have been used typically for applications requiring high damage tolerance and moderate strength, but usage is not limited to such applications.2. APPLICABLE DOCUMENTSA change bar (
7、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, including technic
8、al revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only.2.1 SAE PublicationsAvailable from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or +1 724-776-4970 (outside
9、 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 RingsAMS2772 Heat Treatment of Aluminum Alloy Raw MaterialsAS1917 Clarification of Terms Used in Aerospace Metals Spec
10、ificationsAS1990 Aluminum Alloy TempersSAE INTERNATIONAL AMS4272 Page 2 of 62.2 ASTM PublicationsAvailable from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM B660 Packaging/Packing of Aluminum and Magnesium ProductsAS
11、TM B666/B666M Identification of Aluminum and Magnesium Alloy ProductsASTM B646 Fracture Toughness Testing of Aluminum AlloysASTM E561 K-R Curve Determination2.3 ANSI PublicationsCopies of these documents are available online at http:/webstore.ansi.org/.ANSI H35.2 Dimensional Tolerances for Aluminum
12、Mill ProductsANSI H35.2M Dimensional Tolerances for Aluminum Mill Products (Metric)3. TECHNICAL REQUIREMENTS3.1 CompositionShall conform to the percentages by weight shown in Tables 1A and 1B, determined in accordance with AMS2355.Table 1A - Composition - core (2029)Element min maxSiliconIronCopper
13、Manganese MagnesiumTitaniumSilverZirconiumOther Elements, eachOther Elements, totalAluminum-3.20.200.8-0.300.08-remainder0.12 0.15 4.0 0.401.10.100.500.150.050.15Table 1B - Composition - cladding (1230)Element min maxSilicon + IronCopperManganeseMagnesiumZincTitanium VanadiumOther Elements, eachAlum
14、inum, by difference-99.300.700.100.050.050.100.030.050.03-SAE INTERNATIONAL AMS4272 Page 3 of 63.2 ConditionSolution heat treated, stretched, and precipitation heat treated to the T8 temper (see AS1990). Solution and precipitation heat treatment shall be performed in accordance with AMS2772 as appli
15、cable to 2XXX alloys. The actual practices are considered proprietary.3.3 PropertiesThe product shall conform to the following requirements, determined in accordance with AMS2355 on the mill product.3.3.1 Mechanical property requirements for product outside of the range covered by Tables 2 through 5
16、 shall be agreed upon between purchaser and producer.3.3.2 Tensile PropertiesShall be as specified in Tables 2 and 3.Table 2A Minimum longitudinal tensile properties, inch/pound unitsNominal ThicknessInchesTensile StrengthksiYield Strengthat 0.2% OffsetksiElongation in2 Inches or 4D%0.063 to 0.164,
17、incl0.165 to 0.249, incl0.250 to 0.499, incl0.500 to 0.600, incl61.061.061.063.055.055.056.058.08101113Table 2B Minimum longitudinal tensile properties, SI unitsNominal ThicknessMillimetersTensile StrengthMPaYield Strengthat 0.2% OffsetMPaElongation in50.8 mm or 4D%1.60 to 4.17, inclOver 4.17 to 6.3
18、2, inclOver 6.32 to 12.67, inclOver 12.67 to 15.24, incl4214214214343793793864008101113Table 3A Minimum long-transverse tensile properties, inch/pound unitsNominal ThicknessInchesTensile StrengthksiYield Strengthat 0.2% OffsetksiElongation in2 Inches or 4D%0.063 to 0.164, incl0.165 to 0.249, incl0.2
19、50 to 0.499, incl0.500 to 0.600, incl61.061.061.064.054.054.054.056.09101011SAE INTERNATIONAL AMS4272 Page 4 of 6Table 3B Minimum long-transverse tensile properties, SI unitsNominal ThicknessMillimetersTensile StrengthMPaYield Strengthat 0.2% OffsetMPaElongation in50.8 mm or 4D%1.60 to 4.17, inclOve
20、r 4.17 to 6.32, inclOver 6.32 to 12.67, inclOver 12.67 to 15.24, incl42142142144137237237238691010113.3.3 Fracture ToughnessPlane-stress fracture toughness (Kapp), shall be tested in accordance with ASTM E561 and ASTM B646 in the T-Lorientation. The specimen shall be of the M(T) type and have a widt
21、h (W) of 16 inches (406 mm). The original crack size (2ao) shall be 4 inches (102 mm). For sheet, the specimen thickness (B) shall be the full sheet thickness. For plate, the specimen shall have a thickness (B) of 0.25 inch (6.35 mm) and shall be centered at mid-thickness (T/2).A Kapp value meeting
22、the requirements of ASTM B646 shall meet or exceed the values shown in Table 4.Table 4 Minimum T-L plane-stress fracture toughnessNominal ThicknessInchesNominal Thickness MillimetersSpecimen Orientation ksi inch MPa m0.063 to 0.499, incl0.500 to 0.600, incl1.60 to 12.67, inclOver 12.67 to 15.24, inc
23、lT-LT-L95951041043.3.4 Cladding ThicknessAfter rolling, the average cladding thickness shall conform to the requirements of Table 5.Table 5 - Average cladding thicknessTotal Thickness of Composite ProductInchTotal Thickness of Composite ProductMillimetersAverage CladdingThickness Per Side% of Total
24、Thicknessmin0.063 to 0.600, incl 1.60 to 15.24, incl 23.4 QualityThe product, 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 product.3.5 TolerancesShall conform to all applicable requireme
25、nts of ANSI H35.2 or H35.2M.4. QUALITY ASSURANCE PROVISIONS4.1 Responsibility for InspectionThe vendor of the product 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
26、testing deemed necessary to ensure that the product conforms to specified requirements.SAE INTERNATIONAL AMS4272 Page 5 of 64.2 Classification of Tests4.2.1 Acceptance TestsComposition (3.1), tensile properties (3.3.2), plane-stress fracture toughness (3.3.3), and tolerances (3.5) are acceptance tes
27、ts and except for composition, shall be performed on each lot.4.2.2 Periodic TestsCladding thickness (3.3.4) is a periodic test and shall be performed at a frequency selected by the vendor unless frequency of testing is specified by purchaser.4.3 Sampling and TestingShall be in accordance with AMS23
28、55.4.4 ReportsThe vendor of the product shall furnish with each shipment a report stating that the product conforms to the composition and tolerances, and showing the numerical results of tests on each inspection lot to determine conformance to the other acceptance test requirements and, when perfor
29、med, to the periodic test requirements. This report shall include the purchase order number, inspection lot number(s), AMS4272, size, and quantity. The 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 covere
30、d by 1.1.1 and Tables 2 through 5, 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 B666/B666M.5.2 Packaging5.2.1 Product shall be protected from damage du
31、ring storage and shipment by a method determined by vendor unless specified by purchaser. Examples of typical protective methods include but are not limited to interleaving with paper or oiling of the surface.5.2.2 Sheet shall be prepared for shipment in accordance with ASTM B660 and in compliance w
32、ith applicable rules and regulations pertaining to the handling, packaging and transportation of the sheet to ensure carrier acceptance and safe delivery.6. ACKNOWLEDGMENTA vendor shall mention this specification number in all quotations and when acknowledging purchase orders.7. REJECTIONSProduct no
33、t conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection.SAE INTERNATIONAL AMS4272 Page 6 of 68. NOTES8.1 A change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial cha
34、nges, 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
35、.2 Terms used in AMS are clarified in ARP19178.3 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 info
36、rmation.8.4 Tensile testing, in accordance with AMS2355, results in the removal of cladding from tensile specimens of product in gauges 0.500 inches and greater (12.70 mm and greater).8.5 Purchase documents should specify not less than the following:AMS4272Form and size of product desiredQuantity of product desiredProperty and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range listed in 1.1.PREPARED BY AMS COMMITTEE “D“
