1、_SAE Technical Standards Board Rules providHWKDW7KLVUHSRUWLVSXEOLVKHGE6$(WRDGYDQFHWKHVWDWHRIWHFKQ LFDODQGHQJLQHHULQJVFLHQFHV7KHXVHRIWKLVUHSRUWL sentirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising thereIURPLVWKHVROHUHVSRQVLELOLW
2、RIWKHXVHUSAE 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 2016 SAE InternationalAll rights reserved. No part of this publication may be reproduced, stored in
3、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 USA)Fax: 724-776-0790Email: Cus
4、tomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/AMS4208CAEROSPACEMATERIAL SPECIFICATIONAMS4208REV. CIssued 1985-07Revised 2010-10Reaffirmed 2016-03Superseding AMS4208BAluminum A
5、lloy Sheet6.0Cu - 0.40Zr - (2004-F)As Rolled(Composition similar to UNS A92004)RATIONALEAMS4208C has been reaffirmed to comply with the SAE five-year review policy.1. SCOPE 1.1 Form This specification covers an aluminum alloy in the form of sheet. 1.2 Application This product has been used typically
6、 for parts requiring a high degree of formability (super-plasticity) and response to heat treatment, but usage is not limited to such applications. 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 exten
7、t 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 apply. 2.1 SAE Publications
8、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, Aluminum Alloys and Magnesium Alloy, Wrought Products (Except Forging Stock), and
9、 Rolled, Forged, or Flash Welded Rings AS1990 Aluminum Alloy Tempers 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 660 Packaging/Packing of Aluminum and Magnesium Products ASTM B
10、 666/B 666M Identification Marking of Aluminum and Magnesium Products ASTM E 21 Elevated Temperature Tension Tests of Metallic Materials 2.3 ANSI Publications Available from American National Standards Institute, 25 West 43rd Street, New York, NY 10036-8002, Tel: 212-642-4900, www.ansi.org.ANSI H 35
11、.2 Dimensional Tolerances for Aluminum Mill Products ANSI H 35.2M 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 (2004-F) E
12、lement min maxSilicon - 0.20Iron - 0.20 Copper 5.5 6.5Manganese - 0.10 Magnesium - 0.50 Zinc - 0.10 Titanium - 0.05 Zirconium 0.30 0.50 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum remainder 3.2 Condition As-rolled to the -F temper (See AS1990). Sheet shall not be flattened, lev
13、eled, or straightened. 3.3 Properties Sheet shall conform to the following requirements, determined in accordance with AMS2355 on the mill product size, except as specified in 3.3.1: 3.3.1 As-Rolled (Super-plasticity) Specimens, conforming to Figure 1, shall have the properties shown in Table 2 afte
14、r being heated to 840 F 10 (450 C 6), held at heat for 20 to 30 minutes before testing, and tested in accordance with ASTM E 21 at 840 F 10 (450 C 6) using a constant crosshead speed of 0.5 inch per minute (12.5 mm/minute). SAE INTERNATIONAL AMS4208C Page 2 of 6_TABLE 2 - MINIMUM AS-ROLLED ELONGATIO
15、N Property Value Elongation in 0.5 inch (12.7 mm) Individual Tests 350% Average of All Tests 400% 3.3.2 Pseudo As-Formed Sheet shall have the room temperature properties shown in Table 3 after being heated to 840 F 10 (450 C 6), held at heat for 20 minutes 2, and cooled in air. TABLE 3 - TENSILE PRO
16、PERTIES (PSEUDO AS-FORMED) Property Value Tensile Strength 32.0 to 39.0 ksi (200 to 255 MPa) Yield Strength at 0.2% Offset 16.0 to 25.0 ksi ( 90 to 152 MPa) Elongation in 2 Inches (50.8 mm) 10% to 20% 3.3.3 After Solution and Precipitation Heat Treatment Sheet shall have the properties shown in Tabl
17、e 4 after being solution heat treated by heating to 985 F 10 (529 C 6), holding at heat for 30 to 60 minutes, and quenching in warm (approximately 105 F (41 C) water, with quenching being completed within 20 seconds, and precipitation heat treated by heating to 330 F 10 (166 C 6), holding at heat fo
18、r 16 to 20 hours, and cooling in air or, when permitted by purchaser, heating to 365 F 10 (185 C 6), holding at heat for 3.5 to 5 hours, and cooling in air. TABLE 4 - TENSILE PROPERTIES AFTER SOLUTION AND PRECIPITATION HEAT TREATMENT Property Value Tensile Strength 54.0 to 68.0 ksi (352 to 448 MPa)
19、Yield Strength at 0.2% Offset 39.0 to 48.0 ksi (228 to 310 MPa) Elongation in 2 Inches (50.8 mm) 8% to 20% 3.4 Quality Sheet, as received by purchaser, shall be uniform in quality and condition, sound, free from foreign materials and free from edge cracking and any imperfections detrimental to usage
20、 of the sheet. 3.5 Tolerances Shall be as follows: 3.5.1 Thickness Shall conform to all applicable requirements of ANSI H 35.2 or ANSI H 35.2M. 3.5.2 Length and Width 0.5 inch (12.7 mm). SAE INTERNATIONAL AMS4208C Page 3 of 6_4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vend
21、or of sheet shall supply all samples for vendors tests and shall be responsible for the performance of all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the sheet conforms to specified requirements. 4.2 Classification o
22、f 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 accordance with AMS2355 and the following. 4.3.1 A lot shall be all sheet produced from one ingot processed and rolled to the same nominal thickne
23、ss in one series of operations. 4.3.2 Specimens for as-rolled (super-plasticity) elongation (3.3.1) shall be taken and tested in duplicate in the longitudinal direction and also in the transverse direction from sheet 2.25 inches (57.1 mm) and over in nominal width. 4.4 Reports The vendor of sheet sh
24、all furnish with each shipment a report stating that the sheet conforms to the composition, tolerances, and including the numerical values of mechanical properties. The report shall also state that the specification conforms to the other technical requirements. This report shall include the purchase
25、 order number, lot number, AMS4208C, size, and quantity. The identity of the producer and the size of the mill product shall be included. 4.5 Resampling and Retesting Shall be in accordance with AMS2355. 5. PREPARATION FOR DELIVERY 5.1 Identification Shall be in accordance with ASTM B 666/B 666M. 5.
26、2 Protective Treatment Product shall be protected from damage during storage and shipment by a method determined by vendor unless specified by purchaser. An example of a typical protective method includes, but is not limited to, interleaving with paper. PRODUCT PRODUCED UNDER THIS SPECIFICATION SHAL
27、L NOT BE OILED. 5.3 Packaging 5.3.1 Each lot shall be packaged separately. 5.3.2 Sheet 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 sheet to ensure carrier accepta
28、nce and safe delivery. SAE INTERNATIONAL AMS4208C Page 4 of 6_6. ACKNOWLEDGMENT A vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS Sheet not conforming to this specification, or to modifications authorized
29、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 made to the previous issue of this document. An (R) symbol to the left of the document
30、 title indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 Terms used in AMS are clarified in ARP1917. 8.3 Dimensions and properties in inch/pound units and
31、Fahrenheit temperatures are primary; dimensions and properties in SI units and Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information. 8.4 Purchase documents should specify not less than the following: AMS4208C Size of sheet desired Quantity of sheet desired. PREPARED BY AMS COMMITTEE “D“ SAE INTERNATIONAL AMS4208C Page 5 of 6_DIMENSIONS ARE IN INCHES TOLERANCE: 0.10 UNLESS OTHERWISE SPECIFIED FIGURE 1 - SUPER-PLASTICITY TEST SPECIMEN SAE INTERNATIONAL AMS4208C Page 6 of 6_
