1、AEROSPACE MATERIAL SPECIFICATION AMS4088 REV. K Issued 1942-01 Revised 2007-03 Reaffirmed 2015-05 Superseding AMS4088J Aluminum Alloy, Drawn, Seamless Tubing 4.4Cu - 1.5Mg - 0.60Mn (2024-T3) Solution Heat Treated and Cold Worked (Composition similar to UNS A92024) RATIONALE AMS4088K has been reaffir
2、med to comply with the SAE five-year review policy. _ 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
3、use, 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 and suggestions. Copyright 2015 SAE
4、International All 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-
5、606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (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/AMS4088K 1. SCOPE 1.1 Form Th
6、is specification covers an aluminum alloy in the form of seamless, drawn tubing. 1.2 Application This tubing has been used typically for parts requiring a high-strength alloy and parts not welded, but usage is not limited to such applications. 2. APPLICABLE DOCUMENTS The issue of the following docum
7、ents 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 document issue is specified. When the referenced document has been cancelled and no superseding document
8、has been specified, 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 724-776-4970 (outside USA), or www.sae.org. AMS 2355 Quality Assurance Sam
9、pling and Testing, Aluminum Alloys and Magnesium Alloys, Wrought Products, Except Forging Stock, and Rolled, Forged or Flash Welded Rings AMS 2772 Heat Treatment of Aluminum Alloy Raw Materials AS1990 Aluminum Alloy Tempers 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Dri
10、ve, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, or www.astm.org. ASTM B 660 Packaging/Packing of Aluminum and Magnesium Product ASTM B 666/B 666M Identification Marking of Aluminum Products 2.3 ANSI Publications Available from American National Standards Institute, 25 West 43
11、rd Street, New York, NY 10036, Tel: 212-642-4900, or www.ansi.org. ANSI H35.2 Dimensional Tolerances for Aluminum Mill Products 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
12、, determined in accordance with AMS 2355: TABLE 1 - COMPOSITION Element min maxSilicon Iron Copper Manganese Magnesium Chromium Zinc Titanium Other Elements, each Other Elements, total Aluminum - - 3.8 0.30 1.2 - - - - - remainder0.50 0.50 4.9 0.9 1.8 0.100.250.150.050.153.2 Condition Solution heat
13、treat to the T3 temper (See AS1990) in accordance with AMS 2772 and cold worked. 3.3 Properties The product shall conform to the following requirements, determined in accordance with AMS 2355 on the mill produced size. SAE INTERNATIONAL AMS4088K Page 2 of 5_ 3.3.1 Tensile Properties Shall be as spec
14、ified in Table 2. TABLE 2A - MINIMUM TENSILE PROPERTIES, INCH/POUND UNITS Nominal Wall Thickness Inch Tensile Strengthksi Yield Strengthat 0.2% Offsetksi Elongation in 2 Inches or 4D % Cut Out Specimen Elongation in 2 Inches or 4D % Full Section Specimen 0.018 to 0.024, incl Over 0.024 to 0.049, inc
15、l Over 0.049 to 0.259, incl Over 0.259 to 0.500, incl 64.0 64.0 64.0 64.0 42.0 42.0 42.0 42.0 - 10 10 12 10 12 14 16 TABLE 2B - MINIMUM TENSILE PROPERTIES, SI UNITS Nominal Wall Thickness Millimeters Tensile StrengthMPa Yield Strength at 0.2% Offset MPa Elongation in 50.8 mm or 4D % Cut Out Specimen
16、 Elongation in 50.8 mm or 4D % Full Section Specimen 0.46 to 0.61, incl Over 0.61 to 1.24, incl Over 1.24 to 6.58, incl Over 6.58 to 12.70, incl 441 441 441 441 290 290 290 290 - 10 10 12 10 12 14 16 3.3.2 Flattening Tubing having nominal wall thickness less than 10% of the nominal OD shall withstan
17、d, without cracking, flattening sideways under a load applied gradually at room temperature until the outside dimension under load is equal to eight times the nominal wall thickness. 3.3.2.1 If tubing does not pass the flattening test of 3.3.2, a section of tube not less than 1/2 inch (12.7 mm) in l
18、ength and embracing one-third to one-half the circumference of the tube shall withstand, without cracking, bending at room temperature through an angle of 180 degrees around a diameter equal to six times the nominal wall thickness of the tubing with axis of bend parallel to axis of tube and with ins
19、ide of tube on inside of bend. 3.4 Quality Tubing, 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 tubing. 3.4.1 Detrimental imperfections include, but are not limited to, cracks, splits, s
20、eams, inclusions, or severe crosshatching (surface breaks) that cannot be removed by lightly hand-sanding, using 180 grit or finer sandpaper. 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 Th
21、e vendor of tubing shall supply all samples for vendors tests and shall be responsible for the performance of all required tests. Results of such tests shall be reported to the purchaser as required by 4.4. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessa
22、ry to ensure that the tubing conforms to specified requirements. SAE INTERNATIONAL AMS4088K Page 3 of 5_ 4.2 Classification of Tests 4.2.1 Acceptance Tests Composition (3.1), tensile properties (3.3.1), quality (3.4), and tolerances (3.5) are acceptance tests and, except for composition, shall be pe
23、rformed on each lot of tubing. 4.2.2 Periodic Tests Flattening (3.3.2) 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 Testing Shall be in accordance with AMS 2355. 4.4 Reports The vendor of tubin
24、g shall furnish with each shipment a report stating that the tubing conforms to the composition and tolerances (and NDT inspection, when required); and showing the numerical results of tests on each inspection lot to determine conformance to the other acceptance test requirements and periodic test r
25、equirements when performed. This report shall include the purchase order number, inspection lot number(s), AMS 4088K, size, and quantity. The report shall also identify the producer, the product form, and the size of the mill product. 4.5 Resampling and Retesting Shall be in accordance with AMS 2355
26、. 5. PREPARATION FOR DELIVERY 5.1 Identification Shall be in accordance with ASTM B 666/B 666M. 5.2 Packaging 5.2.1 Tubing shall be oiled, prior to shipment, with a light corrosion-inhibiting oil. 5.2.2 Tubing shall be prepared for shipment in accordance with ASTM B 660, and in compliance with appli
27、cable rules and regulations pertaining to the handling, packaging, and transportation of the tubing to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7.
28、REJECTIONS Tubing not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8. NOTES 8.1 A change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been
29、 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, including technical revisions. Change bars and (R) are not used in original publications, nor in specifications that contain editorial changes only.
30、SAE INTERNATIONAL AMS4088K Page 4 of 5_ 8.2 Terms used in AMS are clarified in ARP1917. 8.3 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 pr
31、imary units and are presented only for information. 8.4 Purchase documents should specify not less than the following. AMS 4088K Size of tubing desired Quantity of tubing desired. 8.5 Similar Specifications Federal WW-T-700/3, Temper T3, is listed for information only and shall not be construed as an acceptable alternate unless all requirements of this AMS are met. PREPARED BY AMS COMMITTEE “D” SAE INTERNATIONAL AMS4088K Page 5 of 5_
