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 theref
2、rom, 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 2010 SAE International All rights reserved. No part of this publication ma
3、y 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: 724-776-4970 (outside USA)
4、Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AMS5762FAEROSPACEMATERIALSPECIFICATIONAMS5762 REV. F Issued 1971-05 Reaffirmed 2006-04 Revised 201
5、0-04 Superseding AMS5762E Steel, Corrosion Resistant, Bars, Wire, and Forgings 5.8Mn - 17Cr - 5.8Ni - 2.0Cu - 0.26S Free Machining, Solution Heat Treated (Composition similar to UNS S20300) RATIONALEAMS5762F revises condition of bars (3.2.1.2), reports (4.4) and is a Five Year Review and update of t
6、his specification. 1. SCOPE 1.1 FormThis specification covers a free-machining, corrosion-resistant steel in the form of bars, wire, forgings, and forging stock. 1.2 Application This product has been used typically for parts on which the amount of machining warrants use of a free-machining grade of
7、steel, requiring corrosion resistance similar to the 18-8 type steels but not subjected to temperatures exceeding 700 F (371 C) during fabrication or in service, but usage is not limited to such applications. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of the p
8、urchase 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 publis
9、hed 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 724-776-4970 (outside USA), www.sae.org.AMS2241 Tolerances, Corrosion and Heat-Resistant Steel, Iron Alloy, T
10、itanium, and Titanium Alloy Bars and Wire AMS2248 Chemical Check Analysis Limits, Corrosion and Heat-Resistant Steels and Alloys, Maraging and Other Highly-Alloyed Steels, and Iron Alloys AMS2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products
11、 and Forging Stock AMS2374 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steel and Alloy Forgings AMS2806 Identification, Bars, Wire, Mechanical Tubing, and Extrusions, Carbon and Alloy Steels and Corrosion and Heat-Resistant Steels and Alloys AMS2808 Identification, Forgings
12、Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS5762F Page 2 of 52.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959
13、, Tel: 610-832-9585, www.astm.org.ASTM A 262 Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels ASTM A 370 Mechanical Testing of Steel Products ASTM E 353 Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Similar Chromium-Nickel-Iron Alloys3. TECHNICAL
14、REQUIREMENTS 3.1 CompositionShall conform to the percentages by weight shown in Table 1, determined by wet chemical methods in accordance with ASTM E 353, by spectrochemical methods, or by other analytical methods acceptable to purchaser. TABLE 1 - COMPOSITION Element min max Carbon - 0.08 Manganese
15、 5.00 6.50 Silicon 0.20 0.70 Phosphorus - 0.04 Sulfur 0.15 0.35 Chromium 16.00 18.00 Nickel 5.00 6.50 Copper 1.75 2.25 Molybdenum - 0.50 3.1.1 Check Analysis Composition variations shall meet the applicable requirements of AMS2248. 3.2 Condition The product shall be supplied in the following conditi
16、on: 3.2.1 Bars, Wire, and Forgings Solution heat treated. 3.2.1.1 All hexagons, other bars 2.750 inches (69.85 mm) and under in nominal diameter or least distance between parallel sides, and wire shall be cold finished. 3.2.1.2 Bars, other than hexagons, over 2.750 inches (69.85 mm) in nominal diame
17、ter or least distance between parallel sides shall be hot finished or cold finished. 3.2.2 Forging Stock As ordered by the forging manufacturer. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AM
18、S5762F Page 3 of 53.3 Properties The product shall conform to the following requirements; hardness and tensile testing shall be performed in accordance with ASTM A 370: 3.3.1 Tensile Properties of Wire Shall have tensile strength of 85 to 125 ksi (586 to 862 MPa). 3.3.2 Hardness3.3.2.1 Bars Shall be
19、 140 to 255 HB, or equivalent (See 8.2), determined approximately midway between surface and center. 3.3.2.2 ForgingsShall be not higher than 187 HB, or equivalent (See 8.2). 3.3.3 Forging Stock As agreed upon by purchaser and vendor. 3.4 Quality The product, as received by purchaser, shall be unifo
20、rm in quality and condition, sound, and, consistent with the type of steel involved, free from foreign materials and from imperfections detrimental to usage of the product. 3.4.1 Grain flow of die forgings, except in areas which contain flash-line end grain, shall follow the general contour of the f
21、orgings showing no evidence of reentrant grain flow. 3.5 Tolerances Bars and wire shall conform to all applicable requirements of AMS2241. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of the product shall supply all samples for vendors tests and shall be responsible f
22、or 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 Tests Composition (3.1), tensile properties (3.3.1), h
23、ardness (3.3.2), quality (3.4), and tolerance (3.5) are acceptance tests and shall be performed on each heat or lot as applicable. 4.2.2 Periodic Tests Grain flow of die forgings (3.4.1) is a periodic test and shall be performed at a frequency selected by the vendor unless frequency of testing is sp
24、ecified by purchaser. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS5762F Page 4 of 54.3 Sampling and Testing Shall be as follows: 4.3.1 Bars, Wire, and Forging Stock In accordance with AMS2
25、371. 4.3.2 ForgingsIn accordance with AMS2374. 4.4 Reports The vendor of the product shall furnish with each shipment a report showing the results of tests for composition of each heat and for tensile properties and hardness of each lot, and stating that the product conforms to the other technical r
26、equirements. This report shall include the purchase order number, heat and lot numbers, AMS5762F, product form, size, and quantity. If forgings are supplied, the size and melt source of stock used to make the forgings shall also be included. 4.5 Resampling and Retesting Shall be as follows: 4.5.1 Ba
27、rs, Wire, and Forging Stock In accordance with AMS2371. 4.5.2 ForgingsIn accordance with AMS2374. 5. PREPARATION FOR DELIVERY 5.1 Sizes Except when exact lengths or multiples of exact lengths are ordered, straight bars and wire will be acceptable in mill lengths of 6 to 20 feet (1.8 to 6.1 m) but no
28、t more than 10% of any shipment shall be supplied in lengths shorter than 10 feet (3 m). 5.2 IdentificationShall be as follows: 5.2.1 Bars and Wire In accordance with AMS2806. 5.2.2 ForgingsIn accordance with AMS2808. 5.2.3 Forging Stock As agreed upon by purchaser and vendor. Copyright SAE Internat
29、ional Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS5762F Page 5 of 55.3 Packaging The product shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulatio
30、ns pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery.6. ACKNOWLEDGMENT A vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS Product not co
31、nforming 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 the previous i
32、ssue 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 tables for met
33、als 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 the primary u
34、nits and are presented only for information. 8.5 Purchase documents should specify not less than the following: AMS5762FProduct form and size or part number of product desired If forging stock, data required in report (See 3.3.3) Quantity of product desired. PREPARED BY AMS COMMITTEE “F” Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
