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 reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2013 SAE International All rights reserved. No part of this publication m
3、ay 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: +1 724-776-4970 (outside U
4、SA) 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/AMS4204C AEROSPACE MATERIAL SPECIFICATION AMS4204 REV. C Issued 1982-07 Revised 2003-01 Reaff
5、irmed 2013-05 Superseding AMS4204B Aluminum Alloy, Plate 6.2Zn - 1.8Cu - 2.4Mg - 0.13Zr (7010-T7651) Solution Heat Treated, Stress Relieved, and Precipitation Heat Treated (Composition similar to UNS A97010) RATIONALE AMS4204C has been reaffirmed to comply with the SAE five-year review policy. 1. SC
6、OPE: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 higher tensile strength than AMS 4203 (7010-T7351) or AMS 4205 (7010-T7451), resistance to exfoliation corrosion, and fracture toughness, but usage i
7、s 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 extent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issu
8、e 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: Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001 or www.sae.org.AMS 2355 Quality Assurance
9、Sampling and Testing, Aluminum Alloys and Magnesium Alloys, Wrought Products, Except Forging Stock, and Rolled, Forged, or Flash Welded RingsMAM 2355 Quality Assurance Sampling and Testing, Aluminum Alloys and Magnesium Alloys, Wrought Products, Except Forging Stock, and Rolled, Forged, or Flash Wel
10、ded Rings, Metric (SI) UnitsSAE AMS4204C Page 2 of 9 2.1 (Continued):AMS 4203 Aluminum Alloy Plate, 6.2Zn - 1.8Cu - 2.4Mg - 0.13Zr (7010-T351), Solution Heat Treated, Stress Relieved, and Precipitation Heat TreatedAMS 4205 Aluminum Alloy, Plate 6.2Zn - 1.8Cu - 2.4Mg - 0.13Zr, Solution Heat Treated,
11、Stress Relieved, and Precipitation Heat TreatedAMS 2772 Heat Treatment of Aluminum Alloy Raw MaterialsAS 1990 Aluminum Alloy Tempers2.2 ASTM Publications: Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959 or www.astm.org.ASTM B 594 Ultrasonic Examination of Aluminum Alloy
12、Wrought Products for Aerospace ApplicationsASTM B 660 Packaging/Packing of Aluminum and Magnesium ProductsASTM B 666/B 666M Identification of Aluminum and Magnesium Alloy ProductsASTM E 399 Plane-Strain Fracture Toughness of Metallic MaterialsASTM E 602 Sharp-Notch Tension Testing with Cylindrical S
13、pecimensASTM E 1304 Plane-Strain (Chevron-Notch) Fracture Toughness of Metallic MaterialsASTM G 34 Exfoliation Corrosion Susceptibility in 2XXX and 7XXX Series Aluminum Alloys (EXCO Test)ASTM G 47 Determining Susceptibility to Stress-Corrosion Cracking of High-Strength Aluminum Alloy Products2.3 ANS
14、I Publications: Available from ANSI, 25 West 43rdStreet, New York, NY 10036.ANSI H 35.2 Dimensional Tolerances for Aluminum Mill ProductsANSI H 35.2M Dimensional Tolerances for Aluminum Mill Products (Metric)SAE AMS4204C Page 3 of 9 3. TECHNICAL REQUIREMENTS: 3.1 Composition: Shall conform to the pe
15、rcentages by weight shown in Table 1, determined in accordance with AMS 2355 or MAM 2355.3.2 Condition: Solution heat-treated, stress relieved by stretching to produce a nominal permanent set of 2% but not less than 1-1/2% nor more than 3%, and precipitation heat treated to the T7651 temper (See AS1
16、990) in accordance with AMS 2772.3.2.1 Plate shall receive no further straightening operations after stretching.3.3 Properties: Plate shall conform to the following requirements, determined in accordance with AMS 2355 or MAM 2355 on the mill product and as specified herein.TABLE 1 - CompositionEleme
17、nt min maxSilicon - 0.12Iron - 0.15Copper 1.5 2.0Manganese - 0.10Magnesium 2.1 2.6Chromium - 0.05Zinc 5.7 6.7Titanium - 0.06Nickel - 0.05Zirconium 0.10 0.16Other Elements, each - 0.05Other Elements, total - 0.15Aluminum remainderSAE AMS4204C Page 4 of 9 3.3.1 Tensile Properties: Shall be as specifie
18、d in Table 2.TABLE 2A - Minimum Tensile Properties, Inch/Pound UnitsNominalThicknessInchesSpecimenOrientationTensileStrengthksiYield Strengthat 0.2% OffsetksiElongation in2 Inches or 4D%Up to 2.000, incl LongitudinalLong-Trans.76.076.066.066.086Over 2.000 to 2.500, incl LongitudinalLong-Trans.Short-
19、Trans.75.075.071.065.065.059.0862.5Over 2.500 to 3.000, incl LongitudinalLong-Trans.Short-Trans.73.074.070.064.064.058.0752.5Over 3.000 to 4.000, incl LongitudinalLong-Trans.Short-Trans.72.073.069.064.063.056.0752Over 4.000 to 5.000, incl LongitudinalLong-Trans.Short-Trans.72.072.068.063.062.055.075
20、2Over 5.000 to 5.500, incl LongitudinalLong-Trans.Short-Trans.71.072.066.062.061.053.0642TABLE 2B - Minimum Tensile Properties, SI UnitsNominalThicknessMillimetersSpecimenOrientationTensileStrengthMPaYield Strengthat 0.2% OffsetMPaElongation in50.8 mm or 4D%Up to 50.80, incl LongitudinalLong-Trans.5
21、2452445545586Over 50.80 to 63.50, incl LongitudinalLong-Trans.Short-Trans.517517490448448407862.5Over 63.50 to 76.20, incl LongitudinalLong-Trans.Short-Trans.503510483441441400752.5Over 76.20 to 101.60, incl LongitudinalLong-Trans.Short-Trans.496503476441434386752Over 101.60 to 127.00, incl Longitud
22、inalLong-Trans.Short-Trans.496496469434427379752Over 127.00 to 139.70, incl LongitudinalLong-Trans.Short-Trans.490496455427421365642SAE AMS4204C Page 5 of 9 3.3.2 Conductivity: Shall be not lower than 39.0% IACS (International Annealed Copper Standard) (22.6 MS/m), determined on specimens as in 4.3.
23、1.3.3.2.1 Plate not meeting the requirement of 3.3.2 may be given additional precipitation heat treatment. After such treatment, if the specified conductivity/property relationships conforming to 3.3.1 and 3.3.2 are met, the plate is acceptable.3.3.3 Fracture Toughness: Plate shall meet the values o
24、f KICspecified in Table 3, determined using specimen configurations conforming to ASTM E 399. 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-inc
25、h (51-mm) thick specimens centered at T/2. For the S-L test direction, the test specimens shall be centered at T/2. Required specimen orientation(s) shall be specified by purchaser.3.3.4 Alternate Testing for Demonstration of Fracture Toughness: When specified, the producer shall guarantee that plat
26、e meets the fracture toughness requirements based on correlation with notch tensile strength/tensile yield strength (NTS/TYS) ratio, determined in accordance with 3.3.4.1, or correlation with the short-bar fracture toughness results, determined in accordance with 3.3.4.2, in lieu of fracture toughne
27、ss testing (3.3.3). Sampling and testing requirements, and lot acceptance criteria shall be as agreed upon.3.3.4.1 NTS/TYS Ratio: For plate 0.750 to 3.000 inches (1905. to 76.20 mm), inclusive, in nominal thickness, notch tensile strength shall be determined in accordance with ASTM E 602 on specimen
28、s taken in both the longitudinal and long-transverse directions. The values for each direction shall be divided by the tensile yield strength, determined for the same direction, to obtain the NTS/TYS ratios. Acceptance values for NTS/TYS shall be specified based on evidence of documented correlation
29、 between the NTS/TYS ratio and the fracture toughness values (3.3.5) as demonstrated and maintained by the producer.3.3.4.2 Short-Bar Fracture Toughness: For plate 1.000 to 3.000 inches (25.40 to 76.20 mm), inclusive, in nominal thickness, plane strain (Chevron-notch) fracture toughness, KIVor KIVJs
30、hall be determined in accordance with ASTM E 1304 on specimens taken in the T-L and L-T test directions. Acceptance values for KIVor KIVJshall be specified based on evidence of documented correlation between KIVor KIVJand fracture toughness values (3.3.5) as demonstrated and maintained by the produc
31、er.SAE AMS4204C Page 6 of 9 3.3.5 Exfoliation Corrosion Resistance: Plate shall achieve an exfoliation rating of EA or better, as illustrated in ASTM G 34 at the T/10 plane.3.3.6 Stress-Corrosion Cracking Resistance: Specimens from plate, 0.750 inch (19.05 mm) and over in nominal thickness, shall sh
32、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).3.4 Quality: Plate, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from imperfect
33、ions detrimental to usage of the plate.TABLE 3A - Minimum KICValues, Inch/Pound UnitsNominal ThicknessInchesTestDirectionksi Over 1 to 2, incl L-TT-L25.023.0Over 2 to 3, incl L-TT-LS-L24.022.020.0Over 3 to 5, incl L-TT-LS-L22.020.018.0Over 5 to 5.5, incl L-TT-LS-L20.018.017.0TABLE 3B - Minimum KICVa
34、lues, SI UnitsNominal ThicknessMillimetersTestDirectionMPa Over 25 to 51, incl L-TT-L27.525.3Over 51 to 76, incl L-TT-LS-L26.424.222.0Over 76 to 127, incl L-TT-LS-L24.222.019.8Over 127 to 140, incl L-TT-LS-L22.019.818.7inchmSAE AMS4204C Page 7 of 9 3.4.1 Each plate shall be ultrasonically inspected
35、in accordance with ASTM B 594 and shall meet the following requirements:3.4.1.1 Plate weighing 2000 pounds (907 kg) and under shall meet the requirements for ultrasonic class shown in Table 4.3.4.1.2 The ultrasonic class for plates under 0.500 inch (12.70 mm) or over 2.000 inches (76.20 mm) in nomin
36、al thickness or weighing over 2000 pounds (907 kg) shall be as acceptable to purchaser.3.5 Tolerances: Shall conform to all applicable requirements of ANSI H 35.2 or ANSI H 35.2M.4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The vendor of plate shall supply all samples for vend
37、ors 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 Classification of Tests: 4.2.1 Acceptance Tests: Compositi
38、on (3.1), tensile properties (3.3.1), conductivity (3.3.2), fracture toughness (3.3.3) or alternate fracture toughness (3.3.4) when specified, ultrasonic soundness (3.4.1), and tolerances (3.5) are acceptance tests and, except for composition, shall be performed on each inspection lot.4.2.2 Periodic
39、 Tests: Exfoliation corrosion resistance (3.3.5) and stress-corrosion cracking resistance (3.3.6) are periodic tests 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 or MA
40、M 2355 and the following:4.3.1 Specimens for conductivity testing shall be taken from the samples used for tensile testing.TABLE 4 - Ultrasonic ClassNominal ThicknessInchesNominal ThicknessMillimetersUltrasonicClass0.500 to 1.500, excl1.500 to 2.000, incl12.70 to 38.10, excl38.10 to 50.80, inclBASAE
41、 AMS4204C Page 8 of 9 4.3.2 When fracture toughness testing (3.3.3) is required, specimens for testing shall be taken from the center width of at least one plate in each inspection lot for each test direction specified.4.3.2.1 When alternate fracture toughness testing (3.3.4) is specified, sampling
42、and testing requirements for use of the notch tensile strength/tensile yield ratio (NTS/NYR) (3.3.4.1) or plane strain (Chevron-notch) facture toughness, KIVor KIVJ, (3.3.4.2) must be specified.4.4 Reports: The vendor of the plate shall furnish with each shipment a report stating the plate conforms
43、to the composition, showing the numerical results of tests on each inspection lot to determine conformance to the other acceptance test requirements and the periodic tests, when performed, and stating that the plate conforms to any other technical requirements. This report shall include the purchase
44、 order number, inspection lot number, AMS 4204C, size, quantity, producer, product form, and the size of the mill product.4.5 Resampling and Retesting: Shall be in accordance with AMS 2355 or MAM 2355.5. PREPARATION FOR DELIVERY: 5.1 Identification: Shall be in accordance with ASTM B 666/B 666M.5.2
45、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 safe delivery.6. ACKNOWLEDGMENT: A vendor shall mention this s
46、pecification 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.SAE AMS4204C Page 9 of 9 8. NOTES: 8.1 A change bar (|) located in
47、 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 specification. An (R) symbol to the left of the document title indicates a complete revision of the specification, including technical
48、revisions. Change bars and (R) are not used in original publications, nor in specifications 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 approxi
49、mate equivalents of the primary units and are presented only for information.8.4 Purchase documents should specify not less than the following:AMS 4204CSize of plate desiredQuantity of plate desiredFracture toughness specimen orientationAlternate fracture toughness testing (3.3.4) including method, sampling, testing and acceptance criteria, if required.PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “D”
