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 revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions.Copyright 2016 SAE InternationalAll rights reserved. No part of this publi
3、cation 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: +1 724-776-4970 (out
4、side USA)Fax: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/AMS5641HAEROSPACEMATERIAL SPECIFICATIONAMS5641 REV. HIssued 1942-06Reaffirmed 2000-08Revised
5、2016-02Superseding AMS5641GSteel, Corrosion-Resistant, Bars, Wire, and Forgings18.5Cr - 10Ni - 0.22Se (303Se)Free-Machining; Swaging or UpsettingSolution Heat Treated(Composition similar to UNS S30323)RATIONALEAMS5641H revises Condition (3.2.1.3), Properties (3.3.1.2) and Reports (4.4), and is a Fiv
6、e Year Review and update of this specification.1. SCOPE1.1 FormThis specification covers a free-machining, corrosion-resistant steel in the form of bars, wire, forgings, and forging stock.1.2 ApplicationThese products have been used typically for parts which may be swaged or hot upset during fabrica
7、tion and on which the amount of machining warrants use of a free-machining grade of steel, but usage is not limited to such applications. Corrosion resistance is similar to that of the standard 18-8 type steel.2. APPLICABLE DOCUMENTSThe 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 PublicationsAvailable 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.AMS2241 Tolerances, Corrosion and Heat-Resistant Steel, Iron Alloy,
10、Titanium, and Titanium Alloy Bars and WireAMS2248 Chemical Check Analysis Limits, Wrought Corrosion and Heat-Resistant Steels and Alloys, Maraging and Other Highly-Alloyed Steels, and Iron AlloysSAE INTERNATIONAL AMS5641H Page 2 of 5AMS2371 Quality Assurance Sampling and Testing, Corrosion and Heat-
11、Resistant Steels and Alloys, Wrought Products and Forging StockAMS2374 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 a
12、nd AlloysAMS2808 Identification Forgings2.2 ASTM PublicationsAvailable from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM A370 Mechanical Testing of Steel ProductsASTM E353 Chemical Analysis of Stainless, Heat-Resisti
13、ng, Maraging, and Other Similar Chromium-Nickel-Iron Alloys3. TECHNICAL REQUIREMENTS3.1 CompositionShall conform to the following percentages by weight as shown in Table 1, determined by wet chemical methods in accordance with ASTM E353 or by spectrochemical or other analytical methods approved by p
14、urchaser:Table 1 - CompositionElement min maxCarbon ManganeseSilicon PhosphorusSulfur ChromiumNickelSeleniumMolybdenumCopper-0.11-17.008.000.15-0.122.000.700.170.04020.0012.000.300.750.753.1.1 Check AnalysisComposition variations shall meet the applicable requirements of AMS2248.3.2 ConditionThe pro
15、duct shall be supplied in the following condition:3.2.1 Bars, Wire, and ForgingsSolution heat treated free from continuous carbide network.3.2.1.1 All hexagons, other bars 2.75 inches (69.8 mm) and under in nominal diameter or distance between parallel sides, and wire shall be cold finished.3.2.1.2
16、Bars, other than hexagons, over 2.75 inches (69.8 mm) in nominal diameter or distance between parallel sides shall be hot finished.SAE INTERNATIONAL AMS5641H Page 3 of 53.2.1.3 Bars shall not be cut from plate (also see 4.4.2).3.2.2 Forging StockAs ordered by the forging manufacturer.3.3 PropertiesB
17、ars, wire, and forgings shall conform to the following requirements; hardness and tensile testing shall be performed in accordance with ASTM A370. 3.3.1 Tensile PropertiesShall be as shown in Table 2:Table 2 - Tensile propertiesProperty ValueTensile Strength 75.0 to 115 ksi (517 to 793 MPa)Elongatio
18、n in 4D, minimum 35%3.3.1.1 Elongation requirements apply only to bars and wire 0.125 inch (3.18 mm) and over in nominal diameter or distance between parallel sides.3.3.1.2 Elongation requirements for bars and wire outside the size range of 3.3.1.1 shall be agreed upon between purchaser and producer
19、.3.3.2 Hardness3.3.2.1 BarsShall be as shown in Table 3, or equivalent (see 8.2), determined at approximate mid-radius or quarter thickness.Table 3 - Hardness of barsNominal Diameter or DistanceBetween Parallel SidesInchesNominal Diameter or DistanceBetween Parallel SidesMillimetersBrinellHardnessmi
20、nBrinellHardnessmaxUp to 2.00, incl Up to 50.8, incl 140 255Over 2.00 Over 50.8 - 2553.3.2.2 ForgingsShall be not higher than 187 HB, or equivalent (see 8.2).3.3.2.3 Properties of forging stock shall be as agreed upon by purchaser and producer.3.4 QualityThe product, as received by purchaser, shall
21、be uniform 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 o
22、f the forgings showing no evidence of reentrant grain flow.3.5 TolerancesBars and wire shall conform to all applicable requirements of AMS2241.SAE INTERNATIONAL AMS5641H Page 4 of 54. QUALITY ASSURANCE PROVISIONS4.1 Responsibility for InspectionThe producer of the product shall supply all samples fo
23、r 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 TestsAll technical requirements ar
24、e acceptance tests and shall be performed on each heat or lot as applicable.4.3 Sampling and Testing4.3.1 Bars, Wire, and Forging StockShall be in accordance with AMS2371.4.3.2 ForgingsShall be in accordance with AMS2374.4.4 Reports4.4.1 The producer of bars, wire, and forgings shall furnish with ea
25、ch shipment a report showing the producers name and country where the metal was melted (e.g., final melt in the case of metal processed by multiple melting operations) and the results of tests for composition of each heat and for tensile properties and hardness of each lot. This report shall include
26、 the purchase order number, heat and lot numbers, AMS5641H, size, and quantity. If forgings are supplied, the size and melt source of stock used to make the forgings shall also be included.4.4.1.1 When the product size is outside the range covered by 3.3.1.1, the report shall contain a statement to
27、that effect.4.4.2 If the ship size/shape is cut from a larger cross section, report the nominal metallurgically worked size (also see 3.2.1.3).4.4.3 The producer of forging stock shall furnish with each shipment a report showing the producers name and country where the metal was melted (e.g., final
28、melt in the case of metal processed by multiple melting operations) and the results of tests for composition of each heat. This report shall include the purchase order number, heat number, AMS5641H, size, and quantity.4.5 Resampling and Retesting4.5.1 Bars, Wire, and Forging StockShall be in accorda
29、nce with AMS2371.4.5.2 ForgingsShall be in accordance with AMS2374.5. PREPARATION FOR DELIVERY5.1 SizesExcept when exact lengths or multiples of exact lengths are ordered, straight bars and wire will be acceptable in mill lengthsof 6 to 20 feet (1.8 to 6.1 m) but not more than 10% of any shipment sh
30、all be supplied in lengths shorter than 10 feet (3 m).SAE INTERNATIONAL AMS5641H Page 5 of 55.2 IdentificationThe product shall be identified as follows:5.2.1 Bars and WireIn accordance with AMS2806.5.2.2 ForgingsIn accordance with AMS2808.5.2.3 Forging StockAs agreed upon by purchaser and producer.
31、5.3 Packaging5.3.1 The product shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENTA pro
32、ducer shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders.7. REJECTIONSProduct not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection.8. NOTES8.1 Revision IndicatorA change b
33、ar (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 issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including tec
34、hnical 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 metals are presented in ASTM E140.8.3 Terms used in AMS are clarified in ARP1917.8.4 Dimensions and properties in inch/pound units and
35、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:AMS5641HProduct form and size or part number of product desiredProperty and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range listed in 3.3.1.1.Quantity of product desired.PREPARED BY AMS COMMITTEE “F“
