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 2011 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/AMS5645RAEROSPACEMATERIALSPECIFICATIONAMS5645 REV. R Issued 1939-12 Reaffirmed 2006-04 Revised 201
5、1-02 Superseding AMS5645P Steel, Corrosion and Heat Resistant, Bars, Wire, Forgings, Tubing, and Rings 18Cr - 10Ni - 0.40Ti (321) Solution Heat Treated (Composition similar to UNS S32100) RATIONALEAMS5645R revises Tensile Properties (3.3.1) to add tensile property requirements for bars and forgings,
6、 Reports (4.4), and results from a Five Year Review and update of this specification. 1. SCOPE 1.1 Form This specification covers a corrosion and heat resistant steel in the form of bars, wire, forgings, mechanical tubing, flash welded rings, and stock for forging or flash welded rings. 1.2 Applicat
7、ion These products have been used typically for parts requiring good corrosion resistance and which will be subjected to elevated temperatures during fabrication or in service and for parts requiring oxidation resistance up to 1500 F (816 C), but usage is not limited to such applications. 2. APPLICA
8、BLE 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 revision of a document unless a specific document issue is specified. When the referenced document h
9、as 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, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA),
10、www.sae.org.AMS2241 Tolerances, Corrosion and Heat-Resistant Steel, Iron Alloy, Titanium, and Titanium Alloy Bars and Wire AMS2243 Tolerances, Corrosion and Heat-Resistant Steel Tubing AMS2248 Chemical Check Analysis Limits, Corrosion and Heat-Resistant Steels and Alloys, Maraging and Other Highly-A
11、lloyed Steels, and Iron Alloys AMS2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging Stock Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license fr
12、om IHS-,-,-SAE AMS5645R Page 2 of 6AMS2374 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 Identific
13、ation, Forgings AMS7490 Rings, Flash Welded, Corrosion and Heat-Resistant Austenitic Steels, Austenitic-Type Iron, Nickel, or Cobalt Alloys, or Precipitation-Hardenable Alloys 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2
14、959, Tel: 610-832-9585, www.astm.org.ASTM A 262 Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels ASTM A 276 Stainless Steel Bars and Shapes ASTM A 370 Mechanical Testing of Steel Products ASTM E 353 Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Si
15、milar Chromium-Nickel-Iron Alloys3. TECHNICAL REQUIREMENTS 3.1 Composition Shall 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 - COMP
16、OSITION Element min max CarbonManganeseSiliconPhosphorusSulfurChromiumNickelTitaniumMolybdenumCopperNitrogen-17.008.00 5x(C+N) -0.08 2.00 1.00 0.040 0.030 19.0012.000.70 0.75 0.75 0.10 3.1.1 Check Analysis Composition variations shall meet the applicable requirements of AMS2248. 3.2 Condition The pr
17、oduct shall be supplied in the following condition: Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS5645R Page 3 of 63.2.1 Bars, Wire, Forgings, Mechanical Tubing, and Flash Welded Rings Solut
18、ion heat treated. 3.2.1.1 Bars and Wire 3.2.1.1.1 All hexagons regardless of size, and 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. 3.2.1.1.2 Bars, other than hexagons, over 2.750 inches (69.85 mm) in nomi
19、nal diameter or least distance between parallel sides shall be hot finished or cold finished. 3.2.1.2 Mechanical Tubing Shall be cold finished. 3.2.1.3 Flash Welded Rings Shall not be supplied unless specified or permitted on purchasers part drawing. When supplied, rings shall be manufactured in acc
20、ordance with AMS7490. 3.2.2 Stock for Forging or Flash Welded Rings As ordered by the forging or flash welded ring manufacturer. 3.3 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 Proper
21、ties 3.3.1.1 Bars and Forgings Over 0.50 Inch (12.7 mm) in Nominal Diameter or Least Distance Between Parallel Sides Shall be as shown in Table 2. TABLE 2 - MINIMUM TENSILE PROPERTIES Property Value Tensile Strength 75 ksi (517 MPa) Yield Strength at 0.2% Offset 30.0 ksi (206.8 MPa) Elongation in 4D
22、 30%Reduction of Area 40% Note: Minimum tensile properties for bars and forgings have been taken directly from ASTM A 276 (See 8.5) 3.3.1.2 Wire shall have tensile strength of 85 to 125 ksi (586 to 862 MPa). 3.3.2 Hardness 3.3.2.1 Bars Shall be as shown in Table 3, or equivalent (See 8.2), determine
23、d approximately at mid-radius or quarter thickness. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS5645R Page 4 of 6TABLE 3 - HARDNESS, HB Nominal Diameter or Least Distance Between Parallel
24、Sides InchesNominal Diameter or Least Distance Between Parallel Sides Millimeters min maxUp to 2.00, incl Over 2.00 Up to 50.8, incl Over 50.8 140 -255 255 3.3.2.2 Forgings and Flash Welded Rings Shall be not higher than 187 HB, or equivalent (See 8.2). 3.3.2.3 Mechanical Tubing Shall be not higher
25、than 90 HRB, or equivalent (See 8.2), determined approximately midway between outer and inner surfaces.3.3.3 Susceptibility to Intergranular Attack Specimens from the product, after sensitizing treatment, shall pass the intergranular corrosion acid test performed in accordance with ASTM A 262, Pract
26、ice E. 3.4 Quality The product, as received by purchaser, shall be uniform in quality and condition, sound, and 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 t
27、he general contour of the forgings showing no evidence of reentrant grain flow. 3.5 Tolerances 3.5.1 Bars and Wire In accordance with AMS2241. 3.5.2 Mechanical Tubing In accordance with AMS2243. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of the product shall supply
28、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 Classification of Tests 4.2.1 Acceptanc
29、e Tests Composition (3.1), tensile properties (3.3.1), hardness (3.3.2), susceptibility to intergranular attack (3.3.3), and tolerances(3.5) are acceptance tests and shall be performed on each heat or lot as applicable. Copyright SAE International Provided by IHS under license with SAENot for Resale
30、No reproduction or networking permitted without license from IHS-,-,-SAE AMS5645R Page 5 of 64.2.2 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 specified by purchaser. 4.3 Sampling and
31、 Testing 4.3.1 Bars, Wire, Mechanical Tubing, Flash Welded Rings, and Stock for Forging or Flash Welded Rings In accordance with AMS2371. 4.3.2 Forgings In accordance with AMS2374. 4.4 Reports 4.4.1 The vendor of bar, wire, forgings, tubing and rings shall furnish with each shipment a report showing
32、 the results of tests for composition for each heat, and for tensile properties, hardness, and susceptibility to intergranular attack for each lot, and stating that the product conforms to the other technical requirements. This report shall include the purchase order number, heat and lot numbers, AM
33、S5645R, 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. 4.4.2 The vendor of forging stock shall furnish with each shipment a report showing the results of tests for composition, and the results of any add
34、itional property requirements imposed by the purchase order (See 8.6). This report shall include the purchase order number, heat and lot numbers, AMS5645R, product form and size or part number, and quantity. 4.5 Resampling and Retesting 4.5.1 Bars, Wire, Mechanical Tubing, Flash Welded Rings, and St
35、ock for Forging or Flash Welded RingsIn accordance with AMS2371. 4.5.2 Forgings In accordance with AMS2374. 5. PREPARATION FOR DELIVERY 5.1 Sizes Except when exact lengths or multiples of exact lengths are ordered, straight bars, wire, and tubing will be acceptable in mill lengths of 6 to 20 feet (1
36、.8 to 6.1 m) but not more than 10% of any shipment shall be supplied in lengths shorter than 10 feet (3 m). 5.2 Identification 5.2.1 Bars, Wire, and Mechanical Tubing In accordance with AMS2806. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networ
37、king permitted without license from IHS-,-,-SAE AMS5645R Page 6 of 65.2.2 Forgings In accordance with AMS2808. 5.2.3 Flash Welded Rings and Stock for Forging or Flash Welded Rings As agreed upon by purchaser and vendor. 5.3 Packaging The product shall be prepared for shipment in accordance with comm
38、ercial 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. ACKNOWLEDGMENT A vendor shall mention this specification number and its revision letter in all quotation
39、s and when acknowledging 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 A change bar (l) located in the left margin is for the convenience of the user in locating areas where technic
40、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
41、ontain editorial changes only. 8.2 Hardness conversion tables 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 t
42、emperatures are shown as the approximate equivalents of the primary units and are presented only for information. 8.5 Tensile properties shown in Table 2 for bars and forgings have been taken directly from ASTM A 276, and have not been statistically substantiated in accordance with Aerospace Materia
43、ls Division policy. 8.6 Purchase documents should specify not less than the following: AMS5645RProduct form and size or part number of product desired Quantity of product desired If forging stock, specify any additional property requirements beyond those reported in 4.4.2 and provide details of how
44、to obtain the desired samples. 8.7 Similar Specifications Federal QQ-S-763, Class 321, Condition A, 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 “F“ Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
