SAE-AMS-QQ-A-200-3-1997-R2007.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 therefr
2、om, 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 2007 SAE International All rights reserved. No part of this publication may
3、 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: 724-776-4970 (outside USA) Fa
4、x: 724-776-0790 Email: custsvcsae.org SAE WEB ADDRESS:http:/www.sae.org Aluminum Alloy 2024, Bar, Rod, Shapes, Tube, and Wire, Extruded A92024 RATIONALE This document has been reaffirmed to comply with the SAE 5-year Review policy. NOTICE This document has been taken directly from Federal Specificat
5、ion QQ-A-200/3F and contains only minor editorial and format changes required to bring it into conformance with the publishing requirements of SAE technical standards. The original Federal Specification was adopted as an SAE standard under the provisions of the SAE Technical Standards Board (TSB) Ru
6、les and Regulations (TSB 001) pertaining to accelerated adoption of government specifications and standards. TSB rules provide for (a) the publication of portions of unrevised government specifications and standards without consensus voting at the SAE Committee level, (b) the use of the existing gov
7、ernment specification or standard format, and (c) the exclusion of any qualified product list (QPL) sections. The complete requirements for procuring aluminum alloy 2024 bar, rod, shapes, tube, and wire extruded described herein shall consist of this document and the latest issue of AMS-QQ-A-200. AE
8、ROSPACE MATERIAL SPECIFICATION AMS-QQ-A-200/3 IssuedJUL 1997 ReaffirmedAPR 2007 -,-,- AMS-QQ-A-200/3SAEAMS-QQ-A-200/3 - 2 - 1.SCOPE AND CLASSIFICATION: 1.1Scope: This specification covers the specific requirements for aluminum alloy 2024 bar, rod, shapes, tube, and wire produced by extrusion. 1.2Cla
9、ssification: 1.2.1Tempers: Bar, rod, shapes, tube, and wire are classified in the following tempers as specified (See 6.2): O, T3, T42, T3510, T3511, T81, T8510, or T8511. Definitions of tempers are specified in AMS-QQ-A-200. 1.2.2Tubing: Tubing shall be additionally classified as follows: 2.APPLICA
10、BLE DOCUMENTS: See AMS-QQ-A-200. TypeDescription I- Tubing extruded from hollow billets using die and mandrel (See AMS-QQ-A-200). II - Tubing extruded from solid billets using a porthole or spider die similar tooling (See AMS-QQ-A-200). -,-,- AMS-QQ-A-200/3SAEAMS-QQ-A-200/3 - 3 - 3.REQUIREMENTS: 3.1
11、Chemical Composition: The chemical composition shall conform to the requirements specified in Table I. TABLE I. Chemical Composition 1/ Element Percent MinimumMaximum Copper3.84.9 Magnesium1.21.8 Manganese0.300.9 Iron-0.50 Silicon-0.50 Zinc-0.25 Chromium-0.10 Titanium-0.15 Other Elements, each-0.05
12、Other Elements, total 2/-0.15 AluminumRemainder 1/ Analysis shall routinely be made only for the elements specifically mentioned in Table I. If, however, the presence of other elements is indicated or suspected in amounts greater than the specified limits, further analysis shall be made to determine
13、 that these elements are not present in excess of specified limits. 2/ The sum of those “Others“ metallic elements 0.010 percent or more each, expressed to the second decimal before determining the sum. -,-,- AMS-QQ-A-200/3SAEAMS-QQ-A-200/3 - 4 - 3.2Mechanical Properties: 3.2.1Mechanical Properties
14、of Material as Supplied: The mechanical properties in the direction of extrusion shall conform to requirements specified in Table II. TABLE II. Mechanical Properties Temper Thickness, (bar and shapes); diameter, (rod and wire); wall thickness, (tube), Inches Area Square Inches Tensile Strength, Mini
15、mum, ksi Yield Strength at 0.2 percent Offset or at extension indicated Elongation in 2 inches or 4 times D 1/, 7/, Minimum, percent Minimum, ksi Extension under load, inch per inch OAllAll2/2/0.003812 T3 8/Up to 0.249, inclAll57.042.00.006012 5/ T3510 9/0.250 to 0.749, inclAll60.044.00.006212 5/ T3
16、511 9/0.750 to 1.499, inclAll65.046.00.006310 1.500 and overUp thru 2570.052.0 3/0.006910 1.500 and overOver 25 thru 32 68.048.0 4/0.0065 8 T42 6/Up to 0.749, inclAll57.038.00.005612 0.750 to 1.499, inclAll57.038.00.005610 1.500 and overUp thru 2557.038.00.005610 1.500 and overOver 25 thru57.038.00.
17、0056 8 32 T81,0.050 to 0.249, inclAll64.056.00.0073 4 T8510 9/,0.250 to 1.499, inclAll66.058.00.0075 5 T8511 9/1.500 and overUp thru 3266.058.00.0075 5 1/ D represents specimen diameter. 2/ No minimum. Maximum tensile and yield strengths shall be 35.0 ksi and 19.0 ksi, respectively. 3/ For tube, min
18、imum yield strength is 48.0 ksi and extension under load is 0.0065 inch per inch. 4/ For tube, minimum yield strength is 46.0 ksi and extension under load is 0.0063 inch per inch. 5/ For tube, minimum elongation is 10 percent. 6/ Material in the T42 temper is not available from material producers. 7
19、/ See AMS-QQ-A-200 for elongation requirement exceptions. 8/ The properties specified for the T3 temper are those formerly specified for the T4 temper. 9/ For stress-relieved tempers, the characteristics and properties, other than those specified, may differ somewhat from the corresponding character
20、istics and properties of the material in the basic temper. -,-,- AMS-QQ-A-200/3SAEAMS-QQ-A-200/3 - 5 - 3.2.2Mechanical Properties After Heat Treatment: In addition to conforming to requirements of 3.2.1, materials identified in the following paragraphs shall, after having been heat-treated to other
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