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 2014 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/AMS4118L AEROSPACE MATERIAL SPECIFICATION AMS4118 REV. L Issued 1939-12 Revised 2
5、009-03 Reaffirmed 2014-05 Superseding AMS4118K Aluminum Alloy, Rolled or Cold Finished Bars, Rods, and Wire 4.0Cu - 0.70Mn - 0.60Mg - 0.50Si (2017; -T4, -T451) Solution Heat Treated (Composition similar to UNS A92017) RATIONALE This document has been reaffirmed to comply with the SAE five-year revie
6、w policy. 1. SCOPE 1.1 Form This specification covers an aluminum alloy in the form of bars, rods, and wire. 1.2 Application These products have been used typically for parts requiring good strength and whose fabrication does not involve welding, but usage is not limited to such applications. 1.2.1
7、Certain design and processing procedures may cause these products to become susceptible to stress-corrosion cracking; ARP823 recommends 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
8、 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 of that document shall a
9、pply. 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 Testing of Aluminum Alloys and Magnesium Alloys, Wrought Produc
10、ts, Except Forging Stock, and Rolled, Forged, or Flash Welded Rings AMS2772 Heat Treatment of Aluminum Alloy Raw Materials ARP823 Minimizing Stress-Corrosion in Wrought Heat-Treatable Aluminum Alloy Products AS1990 Aluminum Alloy Tempers SAE INTERNATIONAL AMS4118L Page 2 of 4 2.2 ASTM Publications A
11、vailable 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 660 Packaging/Packing of Aluminum and Magnesium Products ASTM B 666/B 666M Identification Marking of Aluminum and Magnesium Products ASTM E 29 Using Signi
12、ficant Digits in Test Data to Determine Conformance with Specifications 2.3 ANSI Publications Available from the Document Automation and Production Service (DAPS), Building 4/D, 700 Robbins Avenue, Philadelphia, PA 19111-5094, Tel: 215-697-6257, http:/assist.daps.dla.mil/quicksearch/. ANSI H35.2 Dim
13、ensional 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, determined in accordance with AMS2355. TABLE 1 - COMPOSITION Element min max Si
14、licon 0.20 0.8 Iron - 0.7 Copper 3.5 4.5 Manganese 0.40 1.0 Magnesium 0.40 0.8 Chromium - 0.10 Zinc - 0.25 Titanium - 0.15 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum remainder 3.1.1 Test results may be rounded by the “rounding off” method of ASTM E 29. 3.1.2 Limits for alloyin
15、g elements and other elements are expressed per ANSI H35.1. 3.2 Condition Rolled or cold finished, as ordered, and solution heat treated in accordance with AMS2772. 3.2.1 Product under 0.500 inch (12.70 mm) or over 7 inches (178 mm) in nominal diameter or distance between parallel sides shall be sol
16、ution heat treated to -T4 temper. When -T4 temper is ordered, -T451 may be supplied (See AS1990). 3.2.2 Product 0.500 to 7 inches (12.70 to 178 mm), inclusive, in nominal diameter or distance between parallel sides shall, after solution heat treatment, be stress-relieved by stretching to produce a n
17、ominal permanent set of 1 to 3% (-T451 temper). 3.2.2.1 Product stress-relieved by stretching shall receive no further straightening operations after stretching unless specifically authorized by purchaser. SAE INTERNATIONAL AMS4118L Page 3 of 4 3.3 Properties The product shall conform to the followi
18、ng requirements, determined in accordance with AMS2355: 3.3.1 Tensile Properties Shall be as shown in Table 2 for rounds 8.000 inches (203.20 mm) and under in nominal diameter and for squares, hexagons, octagons, and rectangles 50 square inches (322 cm2) and under in cross-sectional area and 8.000 i
19、nches (203.20 mm) and under in least distance between parallel sides. TABLE 2 - MINIMUM TENSILE PROPERTIES Property Value Tensile Strength 55.0 ksi (379 MPa) Yield Strength at 0.2% Offset 32.0 ksi (221 MPa) Elongation in 4D 12% 3.3.1.1 Yield strength and elongation requirements do not apply to wire
20、under 0.125 inch (3.18 mm) in nominal diameter or least distance between parallel sides. 3.4 Quality The product, 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 product. 3.5 Tolerances Sha
21、ll conform to all applicable requirements of ANSI H35.2 or ANSI H35.2M. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of the product shall supply all samples for vendors tests and shall be responsible for the performance of all required tests. Purchaser reserves the ri
22、ght to sample and to perform any confirmatory testing deemed necessary to ensure that the product conforms to specified requirements. 4.2 Classification of Tests All tests are acceptance tests and except for composition, shall be performed on each inspection lot. 4.3 Sampling and Testing Shall be in
23、 accordance with AMS2355. 4.4 Reports The vendor of the product shall furnish with each shipment a report stating that the product conforms to the composition and tolerances, and showing the numerical results of tests on each lot to determine conformance to the tensile property requirements. This re
24、port shall include the purchase order number, inspection lot number, AMS4118L, 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 AMS2355. SAE INTERNATIONAL AMS4118L Page 4 of 4
25、 5. PREPARATION FOR DELIVERY 5.1 Identification Shall be in accordance with ASTM B 666/ASTM B 666M. 5.2 Packaging The product shall be prepared for shipment in accordance with ASTM B 660 in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of
26、the product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A vendor shall include this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS Product not conforming to this specification, or to modifications authorized
27、by purchaser, will be subject to rejection. 8. NOTES 8.1 A change 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 a document. An (R) symbol to the left of the document ti
28、tle indicates a complete revision of the document, including technical revision. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 Hardness should be not lower than 90 HB/10/500 or 95 HB/10/1000 in accordance with ASTM E 10. Hardness
29、 has been used to verify that product is properly processed, but an “out-of-specification hardness number” is not always indicative of product with “out-of-specification tensile strength”. Further analysis, including material composition verification, heat treat process parameter review, and/or tens
30、ile property measurement on product with out-of-specification hardness, may be necessary. 8.3 Terms used in AMS are clarified in ARP1917. 8.4 Purchase documents should specify not less than the following: AMS4118L Form and size of product required Quantity of product required . 8.5 Similar Specifications AMS-QQ-A-225/5 or AMS-QQ-A-225/5, Tempers -T4 and -T451, are listed for information only and shall not be construed as an acceptable alternates unless all requirements of this AMS are met. PREPARED BY AMS COMMITTEE “D”
