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/AMS4201F AEROSPACE MATERIAL SPECIFICATION AMS4201 REV. F Issued 1980-01 Reaffirme
5、d 2008-05 Revised 2014-07 Superseding AMS4201E Aluminum Alloy Plate 6.2Zn - 2.3Cu - 2.2Mg - 0.12Zr (7050-T7651) Solution Heat Treated, Stress Relieved, and Overaged (Composition similar to A97050) RATIONALE AMS4201F removes the requirement for alternate tesing of fracture toughness as well as the we
6、ight limit on ultrasonic testing, revises Classification of Tests (4.2) and is a Five Year Review and update of this specification. 1. SCOPE 1.1 Form This specification covers an aluminum alloy in the form of plate. 1.2 Application This plate has been used typically for parts requiring a high level
7、of mechanical properties and resistance to exfoliation corrosion and moderate resistance to stress-corrosion cracking, 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 specific
8、ation 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 canceled and no superseding document has been specified, the last published issue of that document shall apply. 2.1
9、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, Aluminum Alloys and Magnesium Alloys, Wrought Products (Except F
10、orging Stock), and Rolled, Forged, or Flash Welded Rings AMS2772 Heat Treatment of Aluminum Alloy Raw Materials AS1990 Aluminum Alloy Tempers SAE INTERNATIONAL AMS4201F Page 2 of 6 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19
11、428-2959, Tel: 610-832-9585, www.astm.org. ASTM B 557 Tension Testing of Wrought and Cast Aluminum and Magnesium Alloy Parts ASTM B 594 Ultrasonic Inspection of Aluminum-Alloy Products for Aerospace Applications ASTM B 660 Packing/Packaging of Aluminum-Alloy Products for Aerospace Applications ASTM
12、B 666/666M Identification Marking of Aluminum and Magnesium Products ASTM E 399 Linear-Elastic Plane-Strain Fracture Toughness KIcof Metallic Materials ASTM E 1304 Plane-Strain (Chevron-Notch) Fracture Toughness of Metallic Materials ASTM G 34 Exfoliation Corrosion Susceptibility in 2XXX and 7XXX Se
13、ries Aluminum Alloys (EXCO Test) ASTM G 47 Determining Susceptibility to Stress-Corrosion Cracking of 2XXX and 7XXX Aluminum Alloy Products 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
14、 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, determined in accordance with AMS2355. TABLE 1 - COMPOSITION Element
15、min max Silicon - 0.12 Iron - 0.15 Copper 2.0 2.6 Manganese - 0.10 Magnesium 1.9 2.6 Chromium - 0.04 Zinc 5.7 6.7 Titanium - 0.06 Zirconium 0.08 0.15 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum remainder 3.2 Condition Solution heat treated, stretched to produce a nominal perman
16、ent set of 2% but not less than 1% nor more than 3%, and precipitation heat treated to the -T7651 temper (See AS1990) in accordance with AMS2772. SAE INTERNATIONAL AMS4201F Page 3 of 6 3.2.1 Plate shall receive no further straightening operations after stretching. 3.3 Properties Plate shall conform
17、to the following requirements, determined on the mill product in accordance with AMS2355 except as specified in 3.3.6: 3.3.1 Tensile Properties Shall be as specified in Table 2, when tested in accordance with ASTM B 557. TABLE 2A - MINIMUM TENSILE PROPERTIES, INCH/POUND UNITS Nominal Thickness Inche
18、s Specimen Orientation Tensile Strength ksi Yield Strength at 0.2% Offset ksi Elongation in 2 Inches or 4D % 0.250 to 1.000, incl Longitudinal 76.0 66.0 9 Long-Trans. 76.0 66.0 8 Over 1.000 to 1.500, incl Longitudinal 77.0 67.0 9 Long-Trans. 77.0 67.0 8 Over 1.500 to 2.000, incl Longitudinal 76.0 66
19、.0 9 Long-Trans. 76.0 66.0 8 Over 2.000 to 3.000, incl Longitudinal 76.0 66.0 8 Long-Trans. 76.0 66.0 7 Short-Trans. 70.0 60.0 1.5 TABLE 2B - MINIMUM TENSILE PROPERTIES, SI UNITS Nominal Thickness Millimeters Specimen Orientation Tensile Strength MPa Yield Strength at 0.2% Offset MPa Elongation in 5
20、0.8 mm or 4D % Elongation in 50.8 mm or 5D % 6.35 to 25.40, incl Longitudinal 524 455 9 8 Long-Trans. 524 455 8 7 Over 25.40 to 38.10, incl Longitudinal 531 462 9 8 Long-Trans. 531 462 8 7 Over 38.10 to 50.80, incl Longitudinal 524 455 9 8 Long-Trans. 524 455 8 7 Over 50.80 to 76.20, incl Longitudin
21、al 524 455 8 7 Long-Trans. 524 455 7 6 Short-Trans. 483 414 1.5 1.5 3.3.2 Corrosion Resistance Indicator Test Resistance to stress-corrosion cracking and to exfoliation corrosion shall be acceptable if the plate conforms to the requirements of 3.3.2.1, 3.3.2.2, and 3.3.2.3. 3.3.2.1 Electrical Conduc
22、tivity (EC) Shall be not lower than 37.0% IACS (International Annealed Copper Standard) (21.5 MS/m), determined on the surface of the long-transverse tensile specimen. SAE INTERNATIONAL AMS4201F Page 4 of 6 3.3.2.2 Stress-Corrosion Susceptibility Factor (SCF) Shall be not greater than 36.0 (248), de
23、termined by subtracting the electrical conductivity, XX.X% IACS (12 times XX.X MS/m), from long-transverse yield strength, XX.X ksi (XXX MPa). Examples: for 1.250 inches (31.25 mm) nominal thickness: Inch/Pound Units 74.4 ksi - 37.3% IACS = 37.1 Unacceptable. 69.4 ksi - 38.2% IACS = 31.2 Acceptable.
24、 SI Units 513 MPa - 12 X 21.6 MS/m = 254 Unacceptable. 480 MPa - 12 X 22.2 MS/m = 214 Acceptable. 3.3.2.3 Plate not meeting the requirements of 3.3.1, 3.3.2.1 and 3.3.2.2 may be given additional precipitation heat treatment or re-heat treated. After such treatment, if all specified properties are me
25、t, plate is acceptable. 3.3.3 Exfoliation Corrosion Test Plate shall exhibit exfoliation-corrosion at a T/10 plane not greater than that illustrated by Photo B, Figure 2, of ASTM G 34. 3.3.4 Stress-Corrosion Test Specimens, cut from plate 0.750 inch (19.05 mm) and over in nominal thickness, shall sh
26、ow no evidence of stress-corrosion cracking when tested in accordance with ASTM G 47 and stressed in the short-transverse direction to 25.0 ksi (172 MPa). 3.3.5 Fracture Toughness Plate shall meet the values of KIcspecified in Table 3, determined using specimen configurations conforming to ASTM E 39
27、9. For T-L and L-T test directions on plate 2 inches (51 mm) and under in nominal thickness, use full thickness specimens; for plate over 2 to 3 inches (51 to 76 mm), inclusive, in nominal thickness, use 2-inch (51-mm) thick specimens centered at T/2. For the S-L test direction, the test specimens s
28、hall be centered at T/2. Required specimen orientation(s) shall be specified by purchaser. TABLE 3 - FRACTURE TOUGHNESS PARAMETERS Specimen Orientation Nominal Thickness Inches Nominal Thickness Millimeters Minimum ksi inch KIcMPa m L-T 1.000 to 2.000, incl 25.40 to 50.80, incl 26 28 Over 2.000 to 3
29、.000, incl 50.80 to 76.20, incl 24 26 T-L 1.000 to 2.000, incl 25.40 to 50.80, incl 24 26 Over 2.000 to 3.000, incl 50.80 to 76.20, incl 23 25 S-L Over 2.000 to 3.000, incl 50.80 to 76.20, incl 20 22 3.4 Quality Plate, as received by purchaser, shall be uniform in quality and condition, sound, and f
30、ree from foreign materials and from imperfections detrimental to usage of the plate. 3.4.1 Each plate shall be ultrasonically inspected in accordance with ASTM B 594 and shall meet the requirements shown in Table 4. SAE INTERNATIONAL AMS4201F Page 5 of 6 TABLE 4 - ULTRASONIC PARAMETERS Plate Thickne
31、ss Inches Plate Thickness Millimeters Ultrasonic Class 0.500 to 1.500, excl 12.70 to 38.10, excl B 1.500 to 3.000, incl 38.10 to 76.20, incl A 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 T
32、he vendor of plate 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 plate conforms to the specified requirements. 4.2 Class
33、ification of Tests 4.2.1 Acceptance Tests Composition (3.1), long-transverse tensile properties (3.3.1), corrosion resistance (3.3.2), ultrasonic inspection (3.4.1), tolerances (3.5), fracture toughness (3.3.5) and when specified, longitudinal, short-transverse, or both, tensile properties (3.3.1) a
34、re acceptance tests and except for composition, shall be performed on each lot. 4.2.2 Periodic Tests Tests for exfoliation corrosion resistance (3.3.3) and stress-corrosion resistance (3.3.4) are periodic tests and shall be performed at a frequency selected by the vendor unless frequency of testing
35、is specified by purchaser. 4.3 Sampling and Testing Shall be in accordance with AMS2355 and the following: 4.3.1 Tensile specimens shall be taken with the axis of specimens in the long-transverse direction and, when specified, in the longitudinal and/or short-transverse directions. 4.4 Reports The v
36、endor of plate shall furnish with each shipment a report stating that the plate conforms to the composition, tolerances and ultrasonic, and showing the numerical results of tests on each inspection lot to determine conformance to the other acceptance test requirements. This report shall include the
37、purchase order number, lot number, AMS4201F, size, and quantity. The report shall also identify the producer, the product form, and size of the mill product. 4.5 Resampling and Retesting Shall be in accordance with AMS2355. 5. PREPARATION FOR DELIVERY 5.1 Identification Shall be in accordance with A
38、STM B 666/B 666M. SAE INTERNATIONAL AMS4201F Page 6 of 6 5.2 Packaging Plate 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 plate to ensure carrier acceptance and sa
39、fe delivery. 6. ACKNOWLEDGMENT A vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS Plate not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8. NO
40、TES 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 this document. An (R) symbol to the left of the document title indicates a complete revision of the docum
41、ent, 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 are primary; dimensions and properties in SI units 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: AMS4201F Size of plate desired Quantity of plate desired Fracture toughness specimen orientation. PREPARED BY AMS COMMITTEE “D”
