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 reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2011 SAE International All rights reserved. No part of this publication m
3、ay 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 (outside U
4、SA) 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/AMS4315 AEROSPACE MATERIAL SPECIFICATION AMS 4315 Issued 2005-07 Reaffirmed 2011-08 Aluminum
5、Alloy Sheet and Plate 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr 7075: (-T76 Sheet, -T7651 Plate) Solution and Precipitation Heat Treated (Composition similar to UNS R97075) 1. SCOPE: 1.1 Form: This specification covers an aluminum alloy in the form of sheet and plate. 1.2 Application: This product has been use
6、d typically for structural applications requiring material with high strength and resistance to exfoliation-corrosion, but usage is not limited to such applications. 1.2.1 Certain design and processing procedures may cause these products to become susceptible to stress-corrosion cracking; ARP823 rec
7、ommends 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 may work to a subsequent revision of a document unless a specific d
8、ocument issue is specified. When the referenced document has been canceled and no superseding document has been specified, the last published issue of that document shall apply. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted wi
9、thout license from IHS-,-,-SAE AMS 4315 Page 2 of 7 2.1 SAE Publications: Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001 or www.sae.org. AMS 2355 Quality Assurance Sampling and Testing, Aluminum Alloys and Magnesium Alloys, Wrought Products, Except Forging Stock, and Rolled, F
10、orged, or Flash Welded Rings AMS 2772 Heat Treatment of Aluminum Alloy Raw Materials ARP823 Minimizing Stress-Corrosion Cracking in Wrought Heat-Treatable Aluminum Alloy Products AS1990 Aluminum Alloy Tempers 2.2 ASTM Publications: Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19
11、428-2959 or www.astm.org. ASTM B 594 Ultrasonic Inspection of Aluminum-Alloy Wrought Products for Aerospace Applications ASTM B 660 Packaging/Packing of Aluminum and Magnesium Products ASTM B 666/B 666M Identification Marking of Aluminum Products ASTM G 34 Exfoliation Corrosion Susceptibility in 2XX
12、X and 7XXX Series Aluminum Alloys (EXCO Test) ASTM G 47 Determining Susceptibility to Stress-Corrosion Cracking of High Strength Aluminum Alloy Products 2.3 ANSI Publications: Available from ANSI, 25 West 43rd Street, New York, NY 10036 or www.ansi.org. ANSI H35.2 Dimensional Tolerances for Aluminum
13、 Mill Products ANSI H35.2M Dimensional Tolerances for Aluminum Mill Products (Metric) Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS 4315 Page 3 of 7 3. TECHNICAL REQUIREMENTS: 3.1 Compositi
14、on: Shall conform to the percentages by weight shown in Table 1, determined in accordance with AMS 2355. TABLE 1 - Composition Element min max Silicon - 0.40 Iron - 0.50 Copper 1.2 2.0 Manganese - 0.30 Magnesium 2.1 2.9 Chromium 0.18 0.28 Zinc 5.1 6.1 Titanium - 0.20 Other Elements, each - 0.05 Othe
15、r Elements, total - 0.15 Aluminum remainder 3.2 Condition: The product shall be supplied in the following condition; heat treatments shall be performed in accordance with AMS 2772. 3.2.1 Sheet: Solution and precipitation heat treated to the T76 temper (See AS1990). 3.2.2 Plate: Solution heat treated
16、, stress-relieved by stretching to produce a nominal permanent set of 2% but not less than 1-1/2% nor more than 3%, and precipitation heat treated to the T7651 temper (See AS 1990). 3.2.2.1 Plate shall receive no straightening operations after stretching. 3.3 Properties: Product shall conform to the
17、 following requirements, determined in accordance with AMS 2355 on the mill product size. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS 4315 Page 4 of 7 3.3.1 Tensile Properties: Shall be a
18、s specified in Table 2. TABLE 2A - Minimum Tensile Properties, Inch/Pound Units (See 8.2) Temper Thickness Inches Tensile Strength ksi Yield Strengthat 0.2% Offsetksi Elongation in 2 Inches or 4D % T76 0.063 to 0.249, incl 73.0 62.0 8 Over 0.249 to 0.499, incl 72.0 61.0 8 T7651 Over 0.499 to 1.000,
19、incl 71.0 60.0 6 Over 1.000 to 2.000, incl 71.0 60.0 5 TABLE - 2B Minimum Tensile Strength Properties, SI Units (See 8.2) Temper Thickness Millimeters Tensile StrengthMPa Yield Strengthat 0.2% OffsetMPa Elongation in 2 Inches or 4D % T76 1.60 to 6.32, incl 503 428 8 Over 6.32 to 12.67, incl 497 421
20、8 T7651 Over 12.67 to 25.40, incl 490 414 6 Over 25.40 to 50.80, incl 490 414 5 3.3.2 Electrical Conductivity: 3.3.2.1 If the conductivity is 38 percent IACS or higher, and the tensile properties meet the minimum limits specified herein, the material is acceptable. 3.3.2.2 If the conductivity is at
21、least 36 percent IACS but less than 38 percent IACS, the material may be tested as specified in 3.3.3 and 3.3.4 and accepted if it passes these tests. As alternatives, the product may be given an additional precipitation heat treatment, or reheat treated, and retested. 3.3.2.3 If the conductivity is
22、 lower than 36.0% IACS (22.0 MS/m), the product is not acceptable and may be given an additional precipitation heat treatment, or entirely reheat treated, and retested. 3.3.3 Exfoliation Resistance: Plate shall not exhibit exfoliation corrosion at the T/10 plane greater than that illustrated by Phot
23、o B, Figure 2 of ASTM G 34. 3.3.4 Stress-Corrosion Test: Specimens, cut from plate 0.750 inch (19.05 mm) and over in nominal thickness, shall show no evidence of stress-corrosion cracking when tested in accordance with ASTM G 47 and stressed in the short-transverse direction to 25.0 ksi (172 MPa). C
24、opyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS 4315 Page 5 of 7 3.4 Quality: Product, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materia
25、ls and from imperfections detrimental to usage of the material. 3.4.1 When specified, each plate, 0.500 inch (12.70 mm) to 1.000 inch (25.40 mm) in nominal thickness weighing less than 2000 pounds (907 kg), shall be ultrasonically inspected in accordance with ASTM B 594 and shall meet ultrasonic Cla
26、ss B. 3.5 Tolerances: Shall conform to all applicable requirements of ANSI H35.2 or ANSI H35.2M. 4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The vendor shall supply all samples for vendors tests and shall be responsible for the performance of all required tests. Purchaser res
27、erves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the product conforms to specified requirements. 4.2 Classification of Tests: 4.2.1 Acceptance Tests: Composition (3.1), tensile properties (3.3.1), electrical conductivity (3.3.2), quality (3.4), and to
28、lerances (3.5) are acceptance tests and, except for composition, shall be performed on each lot. 4.2.2 Periodic Tests: Exfoliation resistance (3.3.3) and stress-corrosion resistance (3.3.4) are periodic tests and shall be performed at a frequency of at least one sample per month for each size range
29、of sheet and plate produced during that month unless frequency of testing is specified by purchaser. 4.3 Sampling and Testing: Shall be in accordance with AMS 2355 and the following: 4.3.1 Specimens for conductivity testing shall be the tensile specimens. 4.3.2 One or more samples shall be taken fro
30、m each inspection lot for exfoliation-resistance testing and for stress-corrosion resistance testing, when the conductivity is between 36.0% and 38.0% IACS (See 3.3.2.2). Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without l
31、icense from IHS-,-,-SAE AMS 4315 Page 6 of 7 4.4 Reports: The vendor of the product shall furnish with each shipment a report stating that the product conforms to the composition, tolerances, and ultrasonic testing when specified showing the numerical results of tests on each inspection lot to deter
32、mine conformance to the other 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(s), AMS 4315, size, and quantity. The report shall also identify the producer, the mill pro
33、duct form, and the mill produced size. 4.5 Resampling and Retesting: Shall be in accordance with AMS 2355. 5. PREPARATION FOR DELIVERY: 5.1 Identification: Shall be in accordance with ASTM B 666/B 666M. 5.2 Protective Treatment: Product shall be protected from damage during storage and shipment by a
34、 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. 5.3 Packaging: The product shall be prepared for shipment in accordance with ASTM B 660 and in compliance with applicabl
35、e rules and regulations pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT: A vendor shall mention this specification number in all quotations and when acknowledging purchase orders. 7. REJECTIONS: Plate not conf
36、orming to this specification, or to modifications authorized by purchaser, will be subject to rejection. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS 4315 Page 7 of 7 8. NOTES: 8.1 A chang
37、e bar (|) 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 specification. An (R) symbol to the left of the document title indicates a complete revision of the specification,
38、including technical revisions. Change bars and (R) are not used in original publications, nor in specifications that contain editorial changes only. 8.2 These mechanical properties have been taken from QQ-A-250/24 and have not been substantiated by AMS statistical procedures. 8.3 Terms used in AMS a
39、re clarified in ARP1917. 8.4 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 information. 8.5 Purchas
40、e documents should specify not less than the following: AMS 4315 Ultrasonic Testing when desired (See 3.4.1) Size of product desired Quantity of product desired. 8.6 Key Words: Aluminum alloy, sheet and plate, solution heat treated, and overaged, 7075-T76(51), UNS A97075 PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “D” Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
