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 ther
2、efrom, 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
3、publication 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: +1 724-776-49
4、70 (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/AMS4375M AEROSPACE MATERIAL SPECIFICATION AMS4375 REV. M Issued 1947-07 Reaffirmed 1995-05 Rev
5、ised 2017-06 Superseding AMS4375L Sheet and Plate, Magnesium Alloy 3.0Al - 1.0Zn - 0.20Mn (AZ31B-O) Annealed and Recrystallized (Composition similar to UNS M11311) RATIONALE AMS4375M revises the Title to correct the temper designation, revises Composition (Table 1), Condition (3.2), Properties (3.3.
6、3), Reports (4.4.1) and Identification, and is a Five-Year Review and update of this specification. 1. SCOPE 1.1 Form This specification covers a magnesium alloy in the form of sheet and plate from 0.016 to 3.000 inches (0.41 to 76.20 mm), inclusive, in thickness (see 8.4). 1.2 Application This prod
7、uct has been used typically for low-strength parts requiring rigidity with low density, 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 h
8、erein. 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 Available fro
9、m 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 Alloys and Magnesium Alloy Wrought Products (Except Forging Stock), and Rolled, Fo
10、rged, or Flash Welded Rings ARP1917 Clarification of Terms Used in Aerospace Metals Specifications SAE INTERNATIONAL AMS4375M 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.
11、ASTM B660 Packaging/Packing of Aluminum and Magnesium Products ASTM B666/B666M Identification Marking of Aluminum and Magnesium Products ASTM E9 Compression Testing of Metallic Materials at Room Temperature 2.3 ANSI Accredited Publications Copies of these documents are available online at http:/webs
12、tore.ansi.org/. ANSI H 35.2 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
13、- Composition Element Min Max Aluminum 2.5 3.5 Zinc 0.7 1.3 Manganese 0.20 1.0 Silicon - 0.05 Copper - 0.05 Calcium - 0.04 Iron - 0.005 Nickel - 0.005 Other Elements, each (3.1.1) - 0.10 Other Elements, total (3.1.1) - 0.30 Magnesium remainder 3.1.1 Determination not required for routine acceptance.
14、 3.2 Condition The product shall be supplied in the following condition: 3.2.1 Annealed and recrystallized. SAE INTERNATIONAL AMS4375M Page 3 of 5 3.3 Properties The product shall conform to the following requirements: 3.3.1 Tensile Properties Shall be as specified in Table 2 and 3.3.1.1, determined
15、 in accordance with AMS2355 on the mill produced size. Table 2 Table 2A - Tensile properties Nominal Thickness Inches Tensile Strength ksi Yield Strength at 0.2% Offset ksi, Min Elongation in 2 inches or 4D %, Min 0.016 to 0.060, incl 32.0-40.0 18.0 12 Over 0.060 to 0.500, incl 32.0-40.0 15.0 12 Ove
16、r 0.500 to 2.000, incl 32.0-40.0 15.0 10 Over 2.000 to 3.000, incl 32.0-40.0 15.0 9 Table 2B - Tensile properties (SI) Nominal Thickness Millimeters Tensile Strength MPa Yield Strength at 0.2% Offset MPa, Min Elongation in 50.8 mm or 4D %, Min 0.41 to 1.52, incl 221-276 124 12 Over 1.52 to 12.70, in
17、cl 221-276 103 12 Over 12.70 to 50.80, incl 221-276 103 10 Over 50.80 to 76.20, incl 221-276 103 9 3.3.2 Compressive Properties Shall be as specified in Table 3 and 3.3.2.1, determined in the longitudinal direction in accordance with ASTM E9. Table 3 Table 3A - Compressive properties Nominal Thickne
18、ss Inches Compressive Yield Strength at 0.2% Offset ksi, Min 0.063 to 0.250, incl 12.0 Over 0.250 to 2.000, incl 10.0 Over 2.000 to 3.000, incl 8.0 Table 3B - Compressive properties (SI) Nominal Thickness Millimeters Compressive Yield Strength at 0.2% Offset MPa, Min 0.60 to 6.35, incl 83 Over 6.35
19、to 50.80, incl 69 Over 50.80 to 76.20, incl 55 SAE INTERNATIONAL AMS4375M Page 4 of 5 3.3.3 Mechanical property requirements for product outside the range covered by 1.1, shall be agreed upon between purchaser and producer. 3.4 Quality The product, as received by purchaser, shall be uniform in quali
20、ty and condition, sound, and free from foreign materials and imperfections detrimental to usage of the product. 3.5 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
21、 all samples 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 Accept
22、ance Tests Composition (3.1), tensile properties (3.3.1), and tolerances (3.5) are acceptance tests and shall be performed on each lot. 4.2.2 Periodic Tests Compressive properties (3.3.2) are periodic tests and shall be performed at a frequency selected by the producer, unless frequency of testing i
23、s 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 that the product conforms to the chemical composition and tolerances showing the numerical results of tests on each inspec
24、tion lot to determine conformance to the other acceptance test requirements and stating that the product conforms to the other specified requirements. This report shall include the purchase order number, inspection lot number, AMS4375M, size and quantity. The report shall also identify the producer,
25、 the mill product form, and the mill produced size. 4.4.1 When the product size is outside the range covered by 1.1, 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 tak
26、en to the technical requirements listed in Section 3 (see 5.1.1), the report shall contain a statement “This material is certified as AMS4375M (EXC) because of the following exceptions.” and the specific exceptions shall be listed. 4.5 Resampling and Retesting Shall be in accordance with AMS2355. SA
27、E INTERNATIONAL AMS4375M Page 5 of 5 5. PREPARATION FOR DELIVERY 5.1 Identification Shall be in accordance with ASTM B666 or ASTM B666M. 5.1.1 When technical exceptions are taken (see 4.4.2), the material shall be marked with AMS4375M (EXC). 5.2 Protective Treatment Product shall be protected from d
28、amage during storage and shipment by a method determined by producer unless specified by purchaser. Examples of typical methods include but are not limited to interleaving with paper or oiling of the surface. 5.3 Packaging The product shall be prepared for shipment in accordance with ASTM B660 and i
29、n compliance 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 number and its revision letter in all quotations and when acknowle
30、dging purchase orders. 7. REJECTIONS 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 technic
31、al 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 and (R) are not used in original publications, nor in documents that c
32、ontain editorial changes only. 8.2 Terms used in AMS are clarified in ARP1917. 8.3 Dimensions and properties 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 uni
33、ts and are presented only for information. 8.4 Purchase documents should specify not less than the following: AMS4375M Product form and size of product desired Quantity of product desired Property and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range listed in 1.1 8.5 Similar Specifications Federal QQ-M-44 is listed for information only and shall not be construed as an acceptable alternate unless all requirements of this AMS are met. PREPARED BY AMS COMMITTEE “D“
