SAE AMS 4310E-2008 Aluminum Alloy Rolled or Forged Rings 5 6Zn - 2 5Mg - 1 6Cu - 0 23Cr (7075-T651 7075-T652) Solution Heat Treated Mechanically Stress Relieved and Precipitation H.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 2013 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/AMS4310E AEROSPACE MATERIAL SPECIFICATION AMS4310 REV. E Issued 1976-07 Revised 2

5、008-07 Reaffirmed 2013-12 Superseding AMS4310D Aluminum Alloy, Rolled or Forged Rings 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (7075-T651, 7075-T652) Solution Heat Treated, Mechanically Stress Relieved, and Precipitation Heat Treated (Composition similar to UNS A97075) RATIONALE AMS4310E has been reaffirmed t

6、o comply with the SAE five-year review policy. 1. SCOPE 1.1 Form This specification covers an aluminum alloy in the form of rolled or forged rings. 1.2 Application These rings have been used typically for high strength machined parts where good stability is required during machining, but usage is no

7、t limited to such applications. These rings are not recommended for fusion welding. 1.2.1 Certain design and fabricating procedures may cause these rings to become susceptible to stress-corrosion cracking; ARP823 recommends practices to minimize such conditions. 1.3 Classification Rings are classifi

8、ed by type of mechanical stress relief as follows: 7075-T651 Stress relieved by tension 7075-T652 Stress relieved by compression 1.3.1 Either type may be supplied, unless a specific type is ordered. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of the purchase or

9、der 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 specified, the last published issue

10、of that document shall apply. SAE INTERNATIONAL AMS4310E Page 2 of 5 2.1 SAE Publications Available 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

11、Testing of Aluminum Alloys and Magnesium Alloys, Wrought Products, Except Forging Stock, and Rolled, Forged, or Flash Welded Rings AMS2772 Heat Treatment of Aluminum Alloy Raw Materials AMS2808 Identification, Forgings ARP823 Minimizing Stress-Corrosion Cracking in Wrought Heat-Treatable Aluminum Al

12、loy Products 2.2 ASTM Publications Available 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 Products for Aerospace Applications ASTM B 660 Packaging/Packing o

13、f Aluminum and Magnesium Products 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the percentages by weight shown in Table 1, determined in accordance with AMS2355. TABLE 1 - COMPOSITION Element min maxSilicon Iron Copper Manganese Magnesium Chromium Zinc Titanium Other Elements, each Oth

14、er Elements, total Aluminum - - 1.2 - 2.1 0.18 5.1 - - - remainder0.400.502.0 0.302.9 0.286.1 0.200.050.153.2 Condition Rings shall be supplied in the following condition; heat treatments shall be performed in accordance with AMS2772 to the following tempers: 3.2.1 7075-T651 (Type 1) Solution heat t

15、reated, stress-relieved by stretching to produce a permanent set of 1 to 5%, and precipitation heat treated. 3.2.2 7075-T652 (Type 2) Solution heat treated, stress-relieved by compression to produce a permanent set of 1 to 5%, and precipitation heat treated. During compression, primary forces shall

16、be applied in the axial direction and on individual rings approximating final dimensions. SAE INTERNATIONAL AMS4310E Page 3 of 5 3.3 Properties Rings shall conform to the following requirements, determined in accordance with AMS2355 on the mill produced size. 3.3.1 Tensile Properties 3.3.1.1 Rings w

17、ith OD to Wall Thickness Ratio of 10 or Greater Shall be in accordance with Table 2. Tensile tests are not required in any direction from which a specimen at least 2.375 inches (60.32 mm) in length cannot be obtained. TABLE 2A - MINIMUM TENSILE PROPERTIES, INCH/POUND UNITS Nominal Thickness at Time

18、of Heat Treatment Inches (See 3.3.1.1.1) Specimen Orientation (See 3.3.1.1.2) Tensile Strength ksi Yield Strength at 0.2% Offset ksi Elongation in 4D % Up to 2, incl Over 2 to 3, incl Over 3 to 4, incl Over 4 to 5, incl Over 5 to 6, incl Tangential Axial Tangential Axial Radial Tangential Axial Radi

19、al Tangential Axial Radial Tangential Axial Radial 74 73 73 71 69 71 70 68 69 68 66 68 66 65 63 61 61 59 57 60 58 56 58 56 55 56 55 54 9 4 9 4 2 8 3 1 7 3 1 6 3 1 TABLE 2B - MINIMUM TENSILE PROPERTIES, SI UNITS Nominal Thickness at Time of Heat Treatment Millimeters (See 3.3.1.1.1) Specimen Orientat

20、ion (See 3.3.1.1.2) Tensile Strength MPa Yield Strength at 0.2% Offset MPa Elongation in 4D % Up to 51, incl Over 51 to 76, incl Over 76 to 102, incl Over 102 to 127, incl Over 127 to 152, incl Tangential Axial Tangential Axial Radial Tangential Axial Radial Tangential Axial Radial Tangential Axial

21、Radial 510 503 503 490 476 490 483 469 476 469 455 469 455 448 434 421 421 407 393 414 400 386 400 386 379 386 379 372 9 4 9 4 2 8 3 1 7 3 1 6 3 1 SAE INTERNATIONAL AMS4310E Page 4 of 5 3.3.1.1.1 Thickness shall be the smaller of the wall thickness (one-half the difference between nominal OD and nom

22、inal ID) and height (axial) dimensions. 3.3.1.1.2 Tangential requirements apply to specimens machined with axis of specimen tangential to the ring OD (parallel to the direction of rolling). Axial requirements apply to specimens machined with axis of specimen parallel to the ring axis (long transvers

23、e to the direction of rolling). Radial requirements apply to specimens machined with axis of specimen parallel to the radius of the ring (short transverse to the direction of rolling). All specimens shall be machined from the core of the ring. 3.3.1.1.3 Elongation requirements do not apply to test s

24、pecimens having a gage-length diameter under 0.250 inch (6.35 mm), or located in immediate proximity to an abrupt change in section thickness, or located so that any part of the specimen gage length is located within 0.125 inch (3.18 mm) of the trimmed flash line. 3.3.2 Hardness Shall be not lower t

25、han 135 HB/10/500 or 140 HB/10/1000. 3.4 Quality Rings, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign material and from imperfections detrimental to usage of the rings. 3.4.1 Each ring shall be ultrasonically inspected in accordance with ASTM B 594

26、 and shall meet Class A acceptance limits of that specification. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of rings shall supply all samples for vendors tests and shall be responsible for the performance of all required tests. Purchaser reserves the right to sample

27、 and to perform any confirmatory testing deemed necessary to ensure that the rings conform to specified requirements. 4.2 Classification of Tests All technical requirements are acceptance tests and, except for composition, shall be performed on each lot. 4.3 Sampling and Testing Shall be in accordan

28、ce with AMS2355 and the following: 4.3.1 Except when testing in one or more directions is not required by 3.3.1, tensile specimens in the tangential, axial, and radial directions shall be taken from a ring or ring segment representing the lot. When ring segments are used for testing, the segments sh

29、all be cut from a ring which has been solution heat treated and stress-relieved with the production rings. Solution heat treated and stress-relieved ring segments shall be included in each precipitation heat treatment furnace load. 4.3.1.1 When requested by purchaser, at least one half of each ring

30、segment obtained as in 4.3.1, or one half of each ring prolongation tested, shall be submitted to the purchaser with the rings represented. 4.3.2 Hardness Each ring. If hardness of any ring indicates low tensile properties, the ring having the lowest hardness shall be tested for tensile properties.

31、SAE INTERNATIONAL AMS4310E Page 5 of 5 4.4 Reports The vendor of rings shall furnish with each shipment a report stating that the composition conforms to specified requirements and ultrasonic testing and showing the results of tests on each lot to determine conformance to the other acceptance test r

32、equirements. This report shall include the purchase order number, lot number, AMS4310E, size or part number, and quantity. The report shall also include the producer, the product form, and the size of the mill product. 4.5 Resampling and Retesting Shall be in accordance with AMS2355 except that a re

33、test specimen shall be taken from as close as possible to the same location in the same ring or a second ring from the same lot as was the original unacceptable specimen. 5. PREPARATION FOR DELIVERY 5.1 Identification Shall be in accordance with AMS2808. 5.2 Packaging 5.2.1 Rings shall be coated, pr

34、ior to shipment, with a light corrosion-inhibiting oil. 5.2.2 Rings shall be 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 rings to ensure carrier acceptance and safe delive

35、ry. 6. ACKNOWLEDGMENT A vendor shall include this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS Rings not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8. NOTES 8.1 A

36、 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, incl

37、uding technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 Tensile properties listed in this specification have not been substantiated by the AMS statistical procedures. 8.3 Terms used in AMS are clarified in ARP191

38、7. 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 Purchase documents should specify not less than the following: AMS4310E Type and size or part number of rings desired Quantity of rings desired. PREPARED BY AMS COMMITTEE “D“