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 2017 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:/standards.sae.org/AMS4475B AEROSPACE MATERIAL SPECIFICATION AMS4475 REV. B Issued 2013-06 Revised 2017-11 Superse
5、ding AMS4475A Aluminum Alloy, Coiled Sheet, Alclad 4.4Cu 1.5Mg 0.60Mn (Alclad 2024; -T4 Coiled Sheet) Solution Heat Treated (Composition similar to UNS A82024) RATIONALE AMS4475B revises Condition (3.2), Properties (3.3, Tables 2, 3, 5 and 6), Classification of Tests (4.2), Reports (4.4), and Identi
6、fication (5.1.1), 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 alclad coiled sheet from 0.010 to 0.128 inches, incl (0.25 to 3.25 mm, incl) in thickness supplied in the T4 temper (see 8.5). 1.2 Application Th
7、ese products have been used typically for medium strength parts requiring formability and maximum corrosion resistance and whose fabrication does not involve welding, but usage is not limited to such applications. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of
8、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 issue is specified. When the referenced document has been cancelled and no superseding document has been specified, the last p
9、ublished issue of that document shall apply. 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or +1 724-776-4970 (outside USA), www.sae.org. AMS2355 Quality Assurance, Sampling and Testing, Aluminum Al
10、loys and Magnesium Alloy, Wrought Products (Except Forging Stock), and Rolled, Forged, or Flash Welded Rings AMS2772 Heat Treatment of Aluminum Alloy Raw Materials AMS-QQ-A-250/5 Aluminum Alloy Alclad 2024, Plate and Sheet ARP1917 Clarification of Terms Used in Aerospace Metals Specifications SAE IN
11、TERNATIONAL AMS4475B Page 2 of 6 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 B660 Packaging/Packing of Aluminum and Magnesium Products ASTM B666/B666M Identification of Aluminum
12、 and Magnesium Alloy Products 2.3 ANSI Accredited Publications Copies of these documents are available online at http:/webstore.ansi.org/. ANSI H35.1/H35.1M Alloy and Temper Designation Systems for Aluminum ANSI H 35.2 Dimensional Tolerances for Aluminum Mill Products ANSI H 35.2M Dimensional Tolera
13、nces for Aluminum Mill Products (Metric) 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the percentages by weight as shown in Table 1 and 2, determined in accordance with AMS2355. Table 1 Composition, core (2024) Element Min Max Silicon - 0.50 Iron - 0.50 Copper 3.8 4.9 Manganese 0.30 0.
14、9 Magnesium 1.2 1.8 Chromium - 0.10 Zinc - 0.25 Titanium - 0.15 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum remainder Table 2 Composition, cladding (1230) Element Min Max Iron + Silicon - 0.70 Copper - 0.10 Manganese - 0.05 Magnesium - 0.05 Zinc - 0.10 Titanium Vanadium - 0.03
15、0.05 Other Elements, each - 0.03 Aluminum 99.30 - SAE INTERNATIONAL AMS4475B Page 3 of 6 3.2 Condition The product shall be supplied in the following condition: 3.2.1 Coiled sheet Solution heat treated and naturally aged to the T4 temper in accordance with AMS2772. (see ANSI H35.1/H35.1M) 3.3 Proper
16、ties The product shall conform to the following requirements, determined in accordance with AMS2355 on the mill produced size. 3.3.1 Tensile Properties (T4 Temper) Shall be as shown in Table 3 (see 8.4). Table 3 Table 3A Minimum tensile properties, inch/pound units Temper Nominal Thickness, Inches T
17、ensile Strength, ksi Yield Strength at 0.2% Offset, ksi Elongation in 2 inches or 4D, % -T4 0.010 thru 0.020 0.021 thru 0.062 0.063 thru 0.128 58.0 58.0 61.0 36.0 36.0 38.0 12 15 15 Table 3B Minimum tensile properties, SI units Temper Nominal Thickness, Millimeters Tensile Strength, MPA Yield Streng
18、th at 0.2% Offset, MPA Elongation in 50.8 mm or 4D, % -T4 0.25 thru 0.51 0.53 thru 1.57 1.60 thru 3.25 400 400 421 248 248 262 12 15 15 3.4 Cladding Thickness 3.4.1 Thickness of Cladding Plates The aluminum alloy plates that are bonded to the two sides of the aluminum alloy (2024) ingot or slab, to
19、form a composite that is to be rolled, shall each have a thickness as specified in Table 4. Table 4 Cladding thickness Nominal Thickness, Inch Nominal Thickness, mm Nominal Cladding Thickness Per Side, % Of Thickness Average Cladding Thickness Per Side, % Of Thickness; Minimum 0.010 thru 0.062 0.25
20、thru 1.57 5 4 0.063 and above 1.60 and above 2.5 2 SAE INTERNATIONAL AMS4475B Page 4 of 6 3.5 Response to Temper Conversion (-T62) (see 8.4). When specified, product in the T4 temper after precipitation heat treatment to the T62 temper (see ANSI H35.1/H35.1M) in accordance with AMS2772, shall have t
21、he properties shown in Table 5. Table 5 Table 5A Minimum tensile properties, inch/pound units Temper Nominal Thickness, Inches Tensile Strength, ksi Yield Strength at 0.2% Offset, ksi Elongation in 2 Inches or 4D, % -T62 0.010 thru 0.062 0.063 thru 0.128 60.0 62.0 47.0 49.0 5 5 Table 5B Minimum tens
22、ile properties, SI units Temper Nominal Thickness, Millimeters Tensile Strength, MPA Yield Strength at 0.2% Offset, MPA Elongation in 50.8 mm or 4D, % -T62 0.25 thru 1.57 1.60 thru 3.25 414 427 324 338 5 5 3.6 Response to Temper Conversion (-T72) (see 8.4). When specified, product in the T4 temper a
23、fter precipitation heat treatment to the T72 temper (see ANSI H35.1/H35.1M) in accordance with AMS2772, shall have the properties shown in Table 6. Table 6 Table 6A Minimum tensile properties, inch/pound units Temper Nominal Thickness, Inches Tensile Strength, ksi Yield Strength at 0.2% Offset, ksi
24、Elongation in 2 Inches or 4D, % -T72 0.010 thru 0.062 0.063 thru 0.128 56.0 58.0 43.0 45.0 5 5 Table 6B Minimum tensile properties, SI units Temper Nominal Thickness, Millimeters Tensile Strength, MPA Yield Strength at 0.2% Offset, MPA Elongation in 50.8 mm or 4D, % -T72 0.25 thru 1.57 1.60 thru 3.2
25、5 386 400 296 310 5 5 3.7 Mechanical property requirements for product outside the range covered by Tables 3, 5 and 6 shall be agreed upon between purchaser and producer. 3.8 Quality The product, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materi
26、als and from imperfections detrimental to usage of the product. SAE INTERNATIONAL AMS4475B Page 5 of 6 3.9 Tolerances Shall conform to all applicable requirements of ANSI H35.2/H35.2M. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The producer of the product shall supply all samp
27、les for producers 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 product conforms to specified requirements. 4.2 Classification of Tests 4.2.1 Acceptance Test
28、s Composition (3.1), tensile properties (3.3.1), tolerances (3.9) and when specified by purchaser, the tensile properties after temper conversion to T62 (3.5) and T72 temper (3.6) are acceptance tests and except for composition, shall be performed on each lot. 4.2.2 Periodic Tests Cladding thickness
29、 (3.4.1) is a periodic test and shall be performed at a frequency selected by the producer unless frequency of testing is specified by purchaser. 4.3 Sampling and Testing Shall be in accordance with AMS2355. 4.4 Reports The producer of the product shall furnish with each shipment a report stating th
30、at the product conforms to the composition and tolerances, and showing numerical results of tests for the other acceptance test requirements. This report shall include the purchase order number, lot number, AMS4475B, size, and quantity. The report shall also identify the producer, the product form,
31、and the size of the mill product. 4.4.1 When the product size is outside the range covered by Tables 3, 5, and 6, the report shall contain a statement to that effect. 4.4.2 When material produced to this specification is beyond the sizes allowed in the scope or tables, or other exceptions are taken
32、to the technical requirements listed in Section 3 (see 5.1.1), the report shall contain a statement “This material is certified as AMS4475B(EXC) because of the following exceptions”, and the specific exceptions shall be listed. 4.5 Resampling and Retesting Shall be in accordance with AMS2355. 5. PRE
33、PARATION FOR DELIVERY 5.1 Identification Shall be in accordance with ASTM B666/B666M. 5.1.1 When technical exceptions are taken (see 4.4.2), the material shall be marked with AMS4475(EXC). SAE INTERNATIONAL AMS4475B Page 6 of 6 5.2 Packaging 5.2.1 Product shall be protected from damage during storag
34、e and shipment by a method determined by the producer unless specified by purchaser. Examples of typical protective methods include but are not limited to interleaving with paper or oiling of the surface. 5.2.2 The product shall be prepared for shipment in accordance with ASTM B660 and in compliance
35、 with applicable rules and regulations pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A producer shall mention this specification numberin all quotations and when acknowledging purchase orders. 7. REJECTIONS
36、Product not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8. NOTES 8.1 Revision Indicator 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,
37、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 document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 Te
38、rms used in AMS are clarified in ARP1917. 8.3 Dimensions and properties in inch/pound units and 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.
39、4 The tensile properties in Tables 3 and 5 were taken directly from QQ-A-250/5F Amendment 2 (AMS-QQ-A-250/5A) and have not been independently verified by AMS statistical procedures. 8.5 Purchase documents should specify not less than the following: AMS4475B Product form and size of product desired Q
40、uantity of product desired Response to temper conversion for T62 temper (if required (see 3.5) Response to temper conversion for T72 temper (if required) (see 3.6) Property and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range listed in 1.1 PREPARED BY AMS COMMITTEE “D“
