SAE AMS 4361-2014 Aluminum Alloy Plate (7065-T7451) 7 7Zn - 2 1Cu - 1 65Mg - 0 10Zr Solution Heat Treated Stress-Relieved and Overaged.pdf

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1、AEROSPACE MATERIAL SPECIFICATIONAMS4361Issued 2014-09Aluminum Alloy, Plate (7065-T7451)7.7Zn - 2.1Cu - 1.65Mg - 0.10ZrSolution Heat Treated, Stress-Relieved, and OveragedRATIONALEAMS4361 is a new specification for 7065-T7451 aluminum plate.1. SCOPE1.1 FormThis specification covers an aluminum alloy

2、in the form of plate.1.1.1 This specification covers plate from 1.000 to 6.000 inches (25.40 to 152.40 mm) in thickness (See 8.4)1.2 ApplicationThis product may be used in aerospace applications requiring high strength and fracture toughness, high resistance to stress-corrosion cracking and good res

3、istance to exfoliation corrosion, 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 extent specified herein. The supplier may work to a subsequent revision of

4、 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 PublicationsAvailable from SAE International, 400 Commonwealth Drive, Warrendale, P

5、A 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 Alloys, Wrought Products (Except Forging Stock), and Rolled, Forged, or Flash Welded RingsAMS2772 Heat Treatment of Aluminu

6、m Alloy Raw MaterialAS1990 Aluminum Alloy Tempers_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,

7、 including any patent infringement arising therefrom, 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 andsuggestions.Copyright 2014 SAE Interna

8、tionalAll rights reserved. No part of this publication 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

9、(inside USA and Canada)Tel: +1 724-776-4970 (outside 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/AMS4361SAE INTERNATIONAL AMS4361 Page 2 of 82

10、.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 B 594 Ultrasonic Inspection of Aluminum-Alloy Wrought ProductsASTM B 645 Linear-Elastic Plane-Strain Fracture Toughness Testing of Alumi

11、num AlloysASTM B 660 Packaging/Packing of Aluminum and Magnesium ProductsASTM B 666/B 666M Identification Marking of Aluminum and Magnesium ProductsASTM E 399 Linear-Elastic Plane-Strain Fracture Toughness KIC of Metallic MaterialsASTM E 466 Conducting Force Controlled Constant Amplitude Axial Fatig

12、ue Tests of Metallic MaterialsASTM G 34 Exfoliation Corrosion Susceptibility in 2xxx and 7xxx Series Aluminum Alloys (EXCO Test)ASTM G 47 Determining Susceptibility to Stress-Corrosion Cracking of 2XXX and 7XXX Aluminum Alloy Products2.3 ANSI PublicationsAvailable from American National Standards In

13、stitute, 25 West 43rd Street, New York, NY 10036, Tel: 212-642-4900, www.ansi.org.ANSI H35.2 Dimensional Tolerances for Aluminum Mill ProductsANSI H35.2M Dimensional Tolerances for Aluminum Mill Products (Metric)3. TECHNICAL REQUIREMENTS3.1 CompositionShall conform to the percentages by weight shown

14、 in Table 1, determined in accordance with AMS2355.In case there is a discrepancy in the values listed in Table 1 with those listed in the “International Alloy Designations andChemical Composition Limits for Wrought Aluminum and Wrought Aluminum Alloys”(known as the “Teal Sheets”), the composition l

15、imits registered with the Aluminum Association and published in the “Teal Sheets” shall be the controlling composition.TABLE 1 - COMPOSITIONElement min maxSilicon - 0.06Iron - 0.08Copper 1.9 2.3Manganese - 0.04Magnesium 1.5 1.8Chromium - 0.04Zinc 7.1 8.3Titanium - 0.06Zirconium 0.05 0.15Other Elemen

16、ts, each - 0.05Other Elements, total - 0.15Aluminum remainderSAE INTERNATIONAL AMS4361 Page 3 of 83.2 ConditionSolution heat treated, stretched to produce a permanent set of not less than 1% nor more than 3%, and precipitation heat treated to the -T7451 temper (See AS1990). Solution and precipitatio

17、n heat treatment shall be performed in accordance with AMS2772 as applicable to 7XXX alloys. The actual practices are considered proprietary.Plate shall receive no further straightening operations after stretching.3.3 PropertiesProduct shall conform to the following requirements, determined in accor

18、dance with AMS2355 on the mill produced size.Mechanical property requirements for product outside of the range covered by Tables 2 and 3 shall be agreed upon between purchaser and producer.3.3.1 Tensile Properties shall be as shown in Table 2A and 2B.TABLE 2A - MINIMUM TENSILE PROPERTIES, INCH/POUND

19、 UNITSNominal ThicknessInch Grain DirectionTensileStrengthksiYield Strengthat 0.2% OffsetksiElongation in2 Inches or 4D%1.000 to 1.500, inclL 77.0 71.0 11LT 77.0 70.0 101.501 to 2.000, inclL 76.0 70.0 11LT 77.0 69.0 9ST 75.0 64.0 62.001 to 3.000, inclL 76.0 70.0 10LT 76.0 68.0 8ST 74.0 64.0 53.001 t

20、o 4.000, inclL 75.0 69.0 9LT 75.0 68.0 7ST 73.0 63.0 44.001 to 5.000, inclL 75.0 69.0 9LT 75.0 68.0 6ST 73.0 63.0 35.001 to 6.000, inclL 74.0 69.0 8LT 75.0 67.0 5ST 73.0 63.0 3SAE INTERNATIONAL AMS4361 Page 4 of 8TABLE 2B - MINIMUM TENSILE PROPERTIES, SI UNITSNominal ThicknessMillimeters Grain Direc

21、tionTensileStrengthMPaYield Strengthat 0.2% OffsetMPaElongation in50.8 mm or 4D%25.40 to 38.10, inclL 531 490 11LT 531 483 1038.12 to 50.80, inclL 524 483 11LT 531 476 9ST 517 441 650.82 to 76.20, inclL 524 483 10LT 524 469 8ST 510 441 576.22 to 101.60, inclL 517 476 9LT 517 469 7ST 503 434 4101.62

22、to 127.00, inclL 517 476 9LT 517 469 6ST 503 434 3127.02 to 152.40, inclL 510 476 8LT 517 462 5ST 503 434 33.3.2 Electrical ConductivityShall be not lower than 39.5% IACS (International Annealed Copper Standard) (22.9 MS/m).3.3.3 Exfoliation Corrosion ResistanceSpecimens cut from plate shall not exh

23、ibit exfoliation corrosion at the T/2 plane greater than that illustrated by Photograph B, Figure 2, of ASTM G 34.3.3.4 Stress Corrosion CrackingWhen specified, specimens from plate shall be tested in accordance with ASTM G 47 and shall show no evidence of stress corrosion cracking when stressed in

24、the short transverse direction to 35 ksi (241 MPa). 3.3.5 Fracture ToughnessPlane strain fracture toughness shall be tested in accordance with ASTM E 399 and ASTM B 645. A valid KIc meeting the requirements of ASTM E399, or a KQ “usable for lot release” in accordance with ASTM B 645 shall meet or ex

25、ceed the values shown in Table 3A and 3B.TABLE 3A MINIMUM KIC AND KQ “USABLE FOR LOT RELEASE” FRACTURE TOUGHNESS INCH/POUND UNITSNominal Thickness inchL-T orientationksiinchT-L orientationksiinchS-L orientationksiinch1.000 to 1.500, incl 39 30 -1.501 to 2.000, incl 36 29 -2.001 to 3.000, incl 32 27

26、253.001 to 4.000, incl 28 24 234.001 to 5.000, incl 26 22 215.001 to 6.000, incl 25 21 21SAE INTERNATIONAL AMS4361 Page 5 of 8TABLE 3B MINIMUM KIC AND KQ “USABLE FOR LOT RELEASE” FRACTURE TOUGHNESS SI UNITSNominal Thickness millimetersL-T orientationMPamT-L orientationMPamS-L orientationMPam25.40 to

27、 38.10, incl 43 33 -38.12 to 50.80, incl 40 32 -50.82 to 76.20, incl 35 30 2776.22 to 101.60, incl 32 26 25101.62 to 127.00, incl 29 24 23127.02 to 152.40, incl 27 23 233.3.6 Fatigue ResistanceWhen specified, 3.000 to 6.000-inch (76.20 to 152.40-mm) thick plate shall be tested in accordance with AST

28、M E466.When tested at a stress ratio of R=0.1 at a maximum stress of 35.0 ksi (241 MPa), the fatigue life shall meet the requirements of Table 4. TABLE 4 - FATIGUE LIFE REQUIREMENTSMinimum cycles per test 90 000 cyclesLot Log Average of 4 tests, min 120 000 cyclesRunout 200 000 cycles3.4 QualityProd

29、ucts, 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 plate. Any detrimental conditions found during the customers manufacturing process are subject to rejection.3.4.1 Each plate shall be subje

30、cted to ultrasonic inspection in accordance with ASTM B 594 and shall meet ultrasonic Class A requirements, as described in ASTM B 594.3.5 TolerancesShall conform to all applicable requirements of ANSI H35.2 or ANSI H35.2M.4. QUALITY ASSURANCE PROVISIONS4.1 Responsibility for InspectionThe vendor of

31、 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 Classificatio

32、n of Tests4.2.1 Acceptance TestsComposition (3.1), tensile properties (3.3.1), electrical conductivity (3.3.2), tolerances (3.5), ultrasonic inspection (3.4.1), fracture toughness (3.3.5), stress corrosion cracking (when specified) (3.3.4), and fatigue (when specified) (3.3.6), are acceptance tests

33、and, except for composition, shall be performed on each inspection lot.4.2.2 Periodic TestsExfoliation corrosion resistance (3.3.3) is a periodic test and shall be performed at a frequency selected by the vendor, unless frequency of testing is specified by purchaser.SAE INTERNATIONAL AMS4361 Page 6

34、of 84.3 Sampling and TestingShall be in accordance with AMS2355 and the following:4.3.1 Specimens for tensile testing shall be taken and tested in both the longitudinal and long-transverse directions. Specimens for tensile testing shall also be taken and tested in the short-transverse direction for

35、plate 1.501 inches (38.12 mm) and thicker.4.3.2 Electrical conductivity shall be determined on the mill finished surface of the tensile sample from which the tensile test specimen is taken.4.3.3 Specimens for fracture toughness testing shall be taken and tested in both the L-T and T-L orientations.

36、Specimens for fracture toughness testing shall also be taken and tested in the S-L orientation for plate 2.001 inches (50.82 mm) and thicker. The test specimens shall meet the following requirements: 4.3.3.1 For L-T and T-L test orientations of plate 1.000 to 2.000 inches (25.40 to 50.80 mm) in nomi

37、nal thickness, use specimens having a width (W) of 4.0 inches (102 mm) and a thickness (B) of the full plate thickness.4.3.3.2 For L-T and T-L test orientations of plate 2.001 to 6.000 inches (50.82 to 152.40 mm) in nominal thickness, use specimens having a width (W) of 4.0 inches (102 mm) and a thi

38、ckness (B) of 2.0 inches (50.8 mm).4.3.3.3 For plate 2.001 to 4.000 inches (50.82 to 101.60 mm) in nominal thickness, the L-T and T-L specimens shall be centered at T/2.4.3.3.4 For plate 4.001 to 6.000 inches (101.62 to 152.40 mm) in nominal thickness, the L-T and T-L specimens shall be centered at

39、T/4.4.3.3.5 For the S-L test orientation of plate 2.001 to 2.599 inches (50.80 to 66.01 mm) in nominal thickness, use specimens having a width (W) of 1.5 inches (38.1 mm) and a thickness (B) of 0.75 inches (19.0 mm).4.3.3.6 For the S-L test orientation of plate 2.600 to 3.199 inches (66.04 to 81.25

40、mm) in nominal thickness, use specimens having a width (W) of 2.0 inches (50.8 mm) and a thickness (B) of 1.0 inches (25.4 mm).4.3.3.7 For the S-L test orientation of plate 3.200 to 3.799 inches (81.28 to 96.49 mm) in nominal thickness, usespecimens having a width (W) of 2.5 inches (63.5 mm) and a t

41、hickness (B) of 1.25 inches (31.7 mm).4.3.3.8 For the S-L test orientation of plate 3.800 to 5.000 inches (96.52 to 127.00 mm) in nominal thickness, use specimens having a width (W) of 3.0 inches (76.2 mm) and a thickness (B) of 1.5 inches (38.1 mm).4.3.3.9 For the S-L test orientation of plate 5.00

42、1 to 6.000 inches (127.02 to 152.40 mm) in nominal thickness, use specimens having a width (W) of 4.0 inches (101.6 mm) and a thickness (B) of 2.0 inches (50.8 mm). 4.3.3.10 For plate 2.001 to 6.000 inches (50.82 to 152.40 mm) in nominal thickness, the S-L specimens shall be centered at T/2.4.3.4 Tw

43、o specimens for fatigue testing shall be taken from each end of the parent plate in the long transverse grain direction. These specimens are to be removed from the T/2, W/2 location. Fatigue testing shall be conducted in air at 70 F + 5 (21 C + 3) with a relative humidity of 30 to 50% using a freque

44、ncy of 10 to 50 Hz. The test specimens shall meet the following requirements:4.3.4.1 Fatigue samples shall be machined to ASTM E 466, Figure 1. The specimen shall have a 0.500 inch (12.70 mm) gage diameter, a 2.00-inch (50.80 mm) gage section, and 3.0-inch (76.20 mm) fillet radius. The grip section

45、may be varied to fit different grip configurations, but should have no less than a 1.0-inch (25.4 mm) diameter.SAE INTERNATIONAL AMS4361 Page 7 of 84.3.4.2 Fatigue samples shall be longitudinally sanded to produce a fine satin finish of 16 Ra microinch (0.4 micrometer) or better. A medium grit emery

46、 paper shall be used to remove transverse machining marks, followed by progressively finer emery papers. Light oil may be used as a lubricant. The use of an automated polishing system is highly recommended. An equivalent procedure can be used provided it can be demonstrated that it gives equivalent

47、results to those obtained using the above method. Specimens shall be degreased and cleaned prior to testing.4.4 ReportsThe vendor of product shall furnish with each shipment a report stating that the product conforms to the composition, tensile properties, ultrasonic inspection, tolerances, electric

48、al conductivity, fracture toughness, stress corrosion cracking testing (when specified), and fatigue (when specified) and showing the numerical results of tests on each inspection lot to determine conformance to the other acceptance test requirements and stating that the final product conforms to th

49、e other technical requirements. This report shall include the purchase order number, inspection lot number, AMS4361, sectionidentification number, mill product form, size and quantity.4.4.1 When the product size is outside the range covered by Tables 2 and 3, the report shall contain a statement to that effect.4.5 Resampling and RetestingShall be in accordance with AMS2355.5. PREPARATION FOR DELIVERY5.1 Ide