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 2015 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/AMS4460A AEROSPACE MATERIAL SPECIFICATION AMS4460 REV. A Issued 2009-09 Revised 2
5、015-06 Superseding AMS4460 Aluminum Alloy, Clad Two Sides Sheet 0.6Mg - 0.35Si - 0.28Cu (No. 24 Brazing Sheet) As Fabricated (Composition similar to UNS A86951) RATIONALE AMS4460A revises Properties (3.3.1.1.1), Reports (4.4.1) and is a Five Year Review and update of this specification. 1. SCOPE 1.1
6、 Form This specification covers an aluminum alloy in the form of sheet, clad on two sides. 1.1.1 This specification covers product from 0.010 to 0.249 inches (0.25 to 6.32 mm) inclusive, in thickness (See 8.5). 1.2 Application This sheet has been used typically for brazed assemblies that are subject
7、ed to heat treatment after joining, 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 extent specified herein. The supplier may work to a subsequent revisio
8、n 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 Available from SAE International, 400 Commonwealth Drive, Warrend
9、ale, 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 Alloys and Magnesium Alloys, Wrought Products, Except Forging Stock, and Rolled, Forged, or Flash Welded Rings AMS2772 Heat Treatment
10、 of Aluminum Alloy Raw Materials AS1990 Aluminum Alloy Tempers SAE INTERNATIONAL AMS4460A Page 2 of 5 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 Alumi
11、num and Magnesium Products ASTM B666/B666M Identification Marking of Aluminum and Magnesium Products 2.3 ANSI Publications Available from American National Standards Institute, 25 West 43rd Street, 4th Floor, New York, NY 10036, Tel: 212-642-4900, www.ansi.org. ANSI H35.2 Dimensional Tolerance for A
12、luminum Mill Products ANSI H35.2M Dimensional Tolerance for Aluminum Mill Products (Metric) 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the percentages by weight shown in Table 1 and Table 2, determined in accordance with AMS2355. Table 1 - Composition, core (6951) Element Min Max Sil
13、icon 0.20 0.50 Iron - 0.8 Copper 0.15 0.40 Manganese - 0.10 Magnesium 0.40 0.8 Zinc - 0.20 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum Remainder Table 2 - Composition, cladding (4045) Element Min Max Silicon 9.0 11.0 Iron - 0.8 Copper - 0.30 Manganese - 0.05 Magnesium - 0.05 Zi
14、nc - 0.10 Titanium - 0.20 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum Remainder 3.2 Condition As fabricated (F) (See AS1990). SAE INTERNATIONAL AMS4460A Page 3 of 5 3.3 Properties The sheet shall conform to the following applicable requirements, determined in accordance with AM
15、S2355 on the mill product: 3.3.1 After Solution and Precipitation Heat Treatment Sheet shall have the following properties after solution and precipitation heat treatment to the -T62 temper in accordance with AMS2772 for 6951 alloy. 3.3.1.1 Tensile Properties Shall be as shown in Table 3. 3.3.1.1.1
16、Mechanical property requirements for product outside the range covered by 1.1.1 shall be agreed upon between purchaser and producer. Table 3A - Minimum tensile properties, inch/pound units (see 8.2) Nominal Thickness Inch Tensile Strength ksi Yield Strength at 2% Offset ksi Elongation in 2 Inches or
17、 4D % 0.010 to 0.020, incl Over 0.020 to 0.249, incl 35.0 35.0 30.0 30.0 6 8 Table 3B - Minimum tensile properties, SI units (see 8.2) Nominal Thickness Millimeters Tensile Strength MPa Yield Strength at 2% Offset MPa Elongation in 50.8 mm or 4D % 0.25 to 0.51, incl Over 0.51 to 6.32, incl 241 241 2
18、07 207 6 8 3.3.1.2 Bending Sheet shall withstand, without cracking, bending at room temperature through an angle of 180 degrees around a diameter equal to the bend factor shown in Table 4 times the nominal thickness of the sheet with axis of bend parallel to the direction of rolling. Table 4 - Bendi
19、ng parameters Nominal Thickness Inch Nominal Thickness Millimeters Bend Factor 0.010 to 0.036, incl Over 0.036 to 0.064, incl Over 0.064 to 0.128, incl Over 0.128 to 0.249, incl 0.25 to 0.91, incl Over 0.91 to 1.63, incl Over 1.63 to 3.25, incl Over 3.25 to 6.32, incl 3 4 5 6 3.4 Cladding Shall be a
20、pplied to both faces of the core. 3.4.1 Cladding Thickness The average cladding thickness shall be as shown in Table 5. SAE INTERNATIONAL AMS4460A Page 4 of 5 Table 5 - Average cladding thickness Total Thickness of Composite Product Inch Total Thickness of Composite Product Millimeters Cladding Thic
21、kness Per Side, Percent of Total Thickness min, average Cladding Thickness Per Side, Percent of Total Thickness Max, average 0.010 to 0.090, incl Over 0.090 0.25 to 2.29, incl Over 2.29 8 4 12 6 3.5 Quality Sheet, as received by purchaser, shall be uniform in quality and condition, sound, and free f
22、rom foreign materials and from imperfections detrimental to usage of the sheet. 3.6 Tolerances Shall 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 sheet shall supply all samples for vendors tests a
23、nd 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 of Tests 4.2.1 Acceptance Tests Composition (3.1), tensil
24、e properties after solution and precipitation heat treatment (3.3.1.1), and tolerances (3.6) are acceptance tests and, except for composition, shall be performed on each inspection lot. 4.2.2 Periodic Tests Bending after solution and precipitation heat treatment (3.3.1.2) and cladding thickness (3.4
25、.1) 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 AMS2355. 4.4 Reports The vendor of clad sheet shall furnish with each shipment a report stating that the pro
26、duct conforms to the composition and showing the numerical results of tests to determine conformance to the other acceptance test requirements. This report shall include the purchase order number, inspection lot number, AMS4460A, size, and quantity. The report shall also identify the producer and th
27、e size of the mill product. 4.4.1 When the product size is outside the range covered by 1.1.1, the report shall contain a statement to that effect. 4.5 Resampling and Retesting Shall be in accordance with AMS2355. SAE INTERNATIONAL AMS4460A Page 5 of 5 5. PREPARATION FOR DELIVERY 5.1 Identification
28、Shall be in accordance with ASTM B666/B666M. 5.2 Protective Treatment Product shall be protected from damage during storage and shipment by a method determined by vendor unless specified by purchaser. Examples of typical methods include but are not limited to interleaving with paper or oiling of the
29、 surface. 5.3 Packaging Sheet shall be prepared for shipment in accordance with ASTM B660 and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the sheet to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A vendor shall me
30、ntion 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 by purchaser, will be subject to rejection. 8. NOTES 8.1 A change bar (l) located in the left mar
31、gin 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 document, including technical revisions. Change bars
32、and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 These mechanical properties have been taken from MIL-B-20148 and have not been substantiated by AMS statistical procedures. 8.3 Terms used in AMS are clarified in ARP1917. 8.4 Dimensions and prop
33、erties in inch/pound units and the Fahrenheit temperatures are primary; dimensions and properties in SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information. 8.5 Purchase documents should specify not less than the following: AMS4460A Size of sheet desired Quantity of sheet desired Property and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range listed in 1.1.1. PREPARED BY AMS COMMITTEE “D”
