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 2012 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/AMS7707D AEROSPACE MATERIAL SPECIFICATION AMS7707 REV. D Issued 1957-09 Revised 2012-11 Super
5、seding AMS7707C Iron, Commercially Pure, Bar, Sheet, Strip, and Plate Hot Rolled, Unannealed (Composition similar to UNS K00095) RATIONALE AMS7707D results from a Five Year Review and update of this specification. 1. SCOPE 1.1 Form This specification covers electrical iron in the form of bar, sheet,
6、 strip, and plate. 1.2 Application These products have been used typically for direct current devices, such as controls, relay and regulator parts, magnetic cores, and motor and generator parts requiring a combination of high electrical conductivity, high magnetic saturation and permeability, and lo
7、w magnetic retentivity, and where fair formability is required, 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
8、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. SAE AMS7707D Page 2 of 5 2.1 SAE Publications Available fr
9、om 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. AMS2231 Tolerances, Carbon Steel Bars AMS2232 Tolerances, Carbon Steel, Sheet, Strip, and Plate AMS2259 Chemical Check Analysis Limits, Wroug
10、ht Low-Alloy and Carbon Steels AMS2370 Quality Assurance Sampling and Testing, Carbon and Low-Alloy Steel Wrought Products and Forging Stock AMS2806 Identification, Bars, Wire, Mechanical Tubing, and Extrusions, Carbon and Alloy Steels and Corrosion and Heat-Resistant Steels and Alloys AMS2807 Ident
11、ification, Carbon and Low-Alloy Steels, Corrosion and Heat-Resistant Steels and Alloys, Sheet, Strip, Plate, and Aircraft Tubing 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 A 37
12、0 Mechanical Testing of Steel Products ASTM E 350 Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron, and Wrought Iron 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the percentages by weight shown in Table 1, determined by wet chemical methods in ac
13、cordance with ASTM E 350, by spectrochemical methods, or by other analytical methods acceptable to purchaser. TABLE 1 - COMPOSITION Element Percent Carbon + Manganese + Silicon + Phosphorus + Sulfur 0.10 max Phosphorus 0.010 max Sulfur 0.030 max Copper 0.15 max Iron remainder 3.1.1 Check Analysis Co
14、mposition variations shall meet the applicable requirements of AMS2259. 3.2 Condition Hot rolled. SAE AMS7707D Page 3 of 5 3.3 Properties The product shall conform to the following requirements; hardness and tensile testing shall be determined in accordance with ASTM A 370: 3.3.1 Tensile Properties
15、Shall be as shown in Table 2. TABLE 2 - TENSILE PROPERTIES Property Value Tensile Strength, max 65 ksi (450 MPa) Yield Strength at 0.2% Offset, max 55 ksi (380 MPa) Elongation in 2 inches (50.8 mm) or 4D, min 25% 3.3.2 Hardness Shall be not higher than shown in 3.3.2.1 or Table 3, or equivalent (See
16、 8.2). Product shall not be rejected on the basis of hardness if the tensile property requirements are acceptable, determined on specimens taken from the same sample as that with nonconforming hardness or from a sample with similar nonconforming hardness. 3.3.2.1 Bars 80 HRB, maximum. 3.3.2.2 Sheet
17、TABLE 3 - MAXIMUM HARDNESS Nominal Thickness Inches Nominal Thickness Millimeters Hardness HRB Up to 0.0625, excl Up to 1.55, excl 80 0.0625 and over 1.55 and over 75 3.3.2.3 Strip and Plate As agreed upon by purchaser and vendor. 3.3.3 Magnetic Properties If required, shall be as agreed upon by pur
18、chaser and vendor, determined on product suitably annealed (See 8.5). 3.3.4 Bending and Forming Properties If required, shall be as agreed upon by purchaser and vendor (See 8.5). 3.4 Quality The product, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreig
19、n materials and from imperfections detrimental to usage of the product. SAE AMS7707D Page 4 of 5 3.5 Tolerances Shall be as follows: 3.5.1 Bars In accordance with AMS2231. 3.5.2 Sheet, Strip, and Plate In accordance with AMS2232. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The
20、vendor of the product 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 product conforms to specified requirements. 4.2 Clas
21、sification of Tests All technical requirements are acceptance tests and shall be performed on each heat or lot as applicable. 4.3 Sampling Shall be in accordance with AMS2370. 4.4 Reports The vendor of the product shall furnish with each shipment a report showing the results of tests for the composi
22、tion of each heat and for tensile properties, hardness, magnetic properties including the annealing cycle used (if specified), and bending and forming properties (if specified) of each lot, and stating that the product conforms to the other technical requirements. This report shall include the purch
23、ase order number, heat and lot numbers, AMS7707D, product form and size (and/or part number if applicable), and quantity. 4.5 Resampling and Retesting Shall be in accordance with AMS2370. 5. PREPARATION FOR DELIVERY 5.1 Identification Shall be as follows: 5.1.1 Bars In accordance with AMS2806. 5.1.2
24、 Sheet, Strip, and Plate In accordance with AMS2807. SAE AMS7707D Page 5 of 5 5.2 Protective Treatment Product shall be protected from corrosion prior to shipment. 5.3 Packaging The product shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules
25、and regulations pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A vendor shall include this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS
26、Product 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 margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to t
27、he 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 Hardness conversion t
28、ables for metals are presented in ASTM E 140. 8.3 Terms used in AMS are clarified in ARP1917. 8.4 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
29、the primary units and are presented only for information. 8.5 Purchase documents should specify not less than the following: AMS7707D Product form and size (and/or part number, if applicable) of product desired Method of testing and magnetic properties desired (3.3.3) Bending and forming properties desired (3.3.4) Quantity of product desired. PREPARED BY AMS COMMITTEE “E”
