SAE AMS 4100F-2016 Aluminum Alloy Alclad Sheet 5 7Zn - 2 2Mg - 1 6Cu - 0 22Cr (Alclad 7475-T761) Solution and Precipitation Heat Treated (UNS A87475).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 2016 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:/www.sae.org/technical/standards/AMS4100F AEROSPACE MATERIAL SPECIFICATION AMS4100 REV. F Issued 1979-07 Revised 2

5、016-02 Superseding AMS4100E Aluminum Alloy, Alclad, Sheet 5.7Zn - 2.2Mg - 1.6Cu - 0.22Cr (Alclad 7475-T761) Solution and Precipitation Heat Treated (Composition similar to UNS A87475) RATIONALE AMS4100F revises Properties (3.3.2, 3.3.3, 3.3.4.1, 3.3.6), Classification of Tests (4.2), Sampling and Te

6、sting (4.3.1), and 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 alclad sheet 0.040 inch to 0.249 inch (1.02 to 6.32 mm), incl in nominal thickness (see 8.4). 1.2 Application This sheet has be

7、en used typically for structural applications requiring material with high strength and resistance to exfoliation-corrosion, moderate fatigue strength, and high fracture toughness, but usage is not limited to such applications. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect o

8、n 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 document has been cancelled and no superseding document has been specifi

9、ed, 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 Canada) or +1 724-776-4970 (outside USA), www.sae.org. AMS2355 Quality Assurance, Sampling and Testin

10、g, 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 AS1990 Aluminum Alloy Tempers SAE INTERNATIONAL AMS4100F Page 2 of 6 2.2 ASTM Publications Available from ASTM Internation

11、al, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM B646 Fracture Toughness Testing of Aluminum Alloys ASTM B660 Packaging/Packing of Aluminum and Magnesium Products ASTM B666/B666M Identification Marking of Aluminum and Magnesium Product

12、s ASTM E561 K-R Curve Determination ASTM G34 Exfoliation Corrosion Susceptibility in 2xxx and 7xxx Series Aluminum Alloys (EXCO Test) 2.3 ANSI Accredited Publications Copies of these documents are available online at http:/webstore.ansi.org/. ANSI H35.2 Dimensional Tolerances for Aluminum Mill Produ

13、cts 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 1A - Composition, core (7475) Element min max Silicon Iron Copper Manganese M

14、agnesium Chromium Zinc Titanium Other Elements, each Other Elements, total Aluminum - - 1.2 - 1.9 0.18 5.2 - - - remainder 0.10 0.12 1.9 0.06 2.6 0.25 6.2 0.06 0.05 0.15 Table 1B - Composition, cladding (7072) Element min max Silicon + Iron Copper Manganese Magnesium Zinc Other Elements, Each Other

15、Elements, Total Aluminum - - - - 0.8 - - remainder 0.7 0.10 0.10 0.10 1.3 0.05 0.15 SAE INTERNATIONAL AMS4100F Page 3 of 6 3.2 Condition Solution and precipitation heat treated in accordance with AMS2772 to the T761 temper (see AS1990). 3.3 Properties Sheet shall conform to the following requirement

16、s, determined in accordance with AMS2355 on the mill produced product. 3.3.1 Long Transverse Tensile Properties Shall be as shown in Table 2. Table 2A - Minimum tensile properties, inch/pound units Nominal Thickness Inch Tensile Strength ksi Yield Strength at 0.2% Offset ksi Elongation in 2 Inches o

17、r 4D 0.040 to 0.062, incl Over 0.062 to 0.187, incl Over 0.187 to 0.249, incl 66.0 68.0 70.0 55.0 57.0 60.0 9 9 9 Table 2B - Minimum tensile properties, SI units Nominal Thickness Millimeters Tensile Strength MPa Yield Strength at 0.2% Offset MPa Elongation in 50.8 mm 1.02 to 1.57, incl Over 1.57 to

18、 4.75, incl Over 4.75 to 6.32, incl 455 469 483 379 393 414 9 9 9 3.3.2 Fracture Toughness Plane-stress fracture toughness, KC, shall be tested in accordance with ASTM E561 and ASTM B646 using recommended 16 inch (406 mm) wide specimens of full sheet thickness. Plane-stress fracture toughness, KC, m

19、eeting the requirements of ASTM B646, shall meet or exceed the values specified in Table 3. Table 3 - Minimum fracture toughness properties Nominal Thickness Inch Nominal Thickness Millimeters Specimen Orientation KC KC 0.040 to 0.125, incl 0.040 to 0.125, incl Over 0.125 to 0.249, incl 1.02 to 3.18

20、, incl 1.02 to 3.18, incl Over 3.18 to 6.32, incl T-L L-T T-L 87.0 100.0 80.0 95.6 110.0 87.9 ksi in MPa mSAE INTERNATIONAL AMS4100F Page 4 of 6 3.3.3 Corrosion Resistance Indicator Test The cladding shall be removed from the test surface. 3.3.3.1 If the electrical conductivity is 39.0% IACS (Intern

21、ational Annealed Copper Standard) (22.6 MS/m) or higher and the yield strength does not exceed the specified minimum (3.3.1) by 9.0 ksi (62 MPa) or more, the sheet is acceptable. 3.3.3.2 If the electrical conductivity is 39.0% IACS (22.6 MS/m) or higher and the yield strength exceeds the specified m

22、inimum (3.3.1) by 9.0 ksi (62 MPa) or more, or if the conductivity is at least 38.0% IACS (22.0 MS/m) but less than 39.0% IACS (22.6 MS/m) and tensile properties meet specified requirements (3.3.1), sheet is not acceptable. 3.3.3.3 If the electrical conductivity is lower than 38.0% IACS (22.0 MS/m),

23、 sheet is not acceptable. 3.3.3.4 Sheet that is not acceptable according to the requirements of 3.3.3.2 or 3.3.3.3 may be given additional precipitation heat treatment and retested. After such treatment, if all specified properties are met, the sheet is acceptable. 3.3.4 Exfoliation Corrosion Resist

24、ance The cladding shall be removed from the test surface. For sheet 0.100 inch (2.54 mm) or thicker, 10% of the thickness shall be removed by machining one surface. The cladding present on the surface opposite the test surface shall also be removed or masked off. 3.3.4.1 Sheet shall not exhibit exfo

25、liation corrosion at test plane greater than EB as illustrated by Figure 2, of ASTM G34. 3.3.5 Cladding Thickness Per Side Shall be as shown in Table 4. Table 4 - Average cladding thickness Nominal Sheet Thickness Inch Nominal Sheet Thickness Millimeters Average Cladding Thickness % of Sheet Thickne

26、ss Nominal Average Cladding Thickness % of Sheet Thickness Minimum Average Up to 0.062, incl Over 0.062 to 0.187, incl Over 0.187 to 0.249, incl Up to 1.57, incl Over 1.57 to 4.75, incl Over 4.75 to 6.32, incl 4.0 2.5 1.5 3.2 2.0 1.2 3.3.6 Mechanical property and cladding thickness requirements for

27、product outside the range covered by Tables 2, 3, and 4 shall be agreed upon between purchaser and producer. 3.4 Quality Sheet, 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 sheet. 3.5 To

28、lerances Shall conform to all applicable requirements of ANSI H35.2 or ANSI H35.2M. SAE INTERNATIONAL AMS4100F Page 5 of 6 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The producer of sheet shall supply all samples for producers tests and shall be responsible for the performance

29、 of all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the sheet conforms to specified requirements. 4.2 Classification of Tests 4.2.1 Acceptance Tests Composition (3.1), tensile properties (3.3.1), and fracture toughnes

30、s (3.3.2), corrosion resistance indicator test (3.3.3), and dimensional tolerances (3.5) are acceptance tests and except for composition, shall be performed on each inspection lot. 4.2.2 Periodic Tests 4.3 Exfoliation resistance (3.3.4) and cladding thickness (3.3.5) are periodic tests and shall be

31、performed at a frequency selected by the producer unless frequency of testing is specified by purchaser. Sampling and Testing Shall be in accordance with AMS2355 and the following: 4.3.1 Specimens for corrosion resistance indicator testing shall be cut from the same sample used for the tensile speci

32、mens. 4.4 Reports The producer of the alclad sheet 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. This

33、 report shall include the purchase order number, inspection lot number(s), AMS4100F, 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 covered by 1.1, the report shall contain a statem

34、ent 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/ASTM B666M. 5.2 Packaging 5.2.1 Flat sheet shall be protected, during shipment and storage, by interleaving with paper sheets. 5.

35、2.2 Sheet shall be prepared for shipment in accordance with ASTM B660 and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the sheet to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A producer shall mention this specifi

36、cation number and its revision letter in all quotations and when acknowledging purchase orders. SAE INTERNATIONAL AMS4100F Page 6 of 6 7. REJECTIONS Sheet not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8. NOTES 8.1 Revision Indicator

37、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, 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, inc

38、luding technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 Terms used in AMS are clarified as in ARP1917. 8.3 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary; dimensions an

39、d properties in SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information. 8.4 Purchase documents should specify not less than the following: AMS4100F Size of sheet desired Quantity of sheet desired Property and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range shown in 1.1. PREPARED BY AMS COMMITTEE “D“