1、_ 6$(7HFKQLFDO6WDQGDUGV%RDUG5XOHVSURYLGHWKDW7KLVUHSRUWLVSX EOLVKHGE6$(WRDGYDQFHWKHVWDWHRIWHFKQLFDODQGHQJL neering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any partLFXODUXVHLQFOXGLQJDQSDWHQWLQIULQJHPHQWDULVLQJWKHUHIURPLVWKHVROH UHVSRQVLELOLWRIW
2、KHXVHU 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 International All rights reserved. No part of this publication may be reproduced, stored in
3、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 USA) Fax: 724-776-0790 Email:
4、 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/AMS5645S AEROSPACE MATERIAL SPECIFICATION AMS5645 REV. S Issued 1939-12 Reaffirmed 2006-04 Revised 2016-03 Superseding AM
5、S5645R Steel, Corrosion and Heat Resistant, Bars, Wire, Forgings, Tubing, and Rings 18Cr - 10Ni - 0.40Ti (321) Solution Heat Treated (Composition similar to UNS S32100) RATIONALE AMS5645S revises Condition (3.2.1.1.3), Properties (3.3.2.4) and Reports (4.4) and is a Five Year Review and update of th
6、is specification. 1. SCOPE 1.1 Form This specification covers a corrosion and heat resistant steel in the form of forgings over 0.50 inch (12.7 mm) in nominal diameter or least distance between parallel sides, wire, bars, and mechanical tubing, flash welded rings, and stock of any size for forging o
7、r flash welded rings (see 8.6). 1.2 Application 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
8、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 work to a subsequent revision of a document unless a specific document issue
9、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 from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA
10、 and Canada) or +1 724-776-4970 (outside USA), 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 SAE INTERNATIONAL AMS5645S Page 2 of 7 AMS2248 Chemical Check Analy
11、sis 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 and Forging Stock AMS2374 Quality Assurance Sampling and Testing, Cor
12、rosion 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 AMS7490 Rings, Flash Welded, Corrosion and Heat-Resistant Austenitic Ste
13、els, 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 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM A262 Detecting Susceptibility to Intergranula
14、r Attack in Austenitic Stainless Steels ASTM A276 Stainless Steel Bars and Shapes ASTM A370 Mechanical Testing of Steel Products ASTM E353 Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Similar Chromium-Nickel-Iron Alloys 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall conform t
15、o the percentages by weight shown in Table 1, determined by wet chemical methods in accordance with ASTM E353, by spectrochemical methods, or by other analytical methods acceptable to purchaser. Table 1 - Composition Element min max Carbon Manganese Silicon Phosphorus Sulfur Chromium Nickel Titanium
16、 Molybdenum Copper Nitrogen - - - - - 17.00 8.00 5x(C+N) - - - 0.08 2.00 1.00 0.040 0.030 19.00 12.00 0.70 0.75 0.75 0.10 SAE INTERNATIONAL AMS5645S Page 3 of 7 3.1.1 Check Analysis Composition variations shall meet the applicable requirements of AMS2248. 3.2 Condition The product shall be supplied
17、in the following condition: 3.2.1 Bars, Wire, Forgings, Mechanical Tubing, and Flash Welded Rings Solution 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
18、 wire shall be cold finished. 3.2.1.1.2 Bars, other than hexagons, over 2.750 inches (69.85 mm) in nominal diameter or least distance between parallel sides shall be hot finished or cold finished. 3.2.1.1.3 Bars shall not be cut from plate (also see 4.4.3). 3.2.1.2 Mechanical Tubing Shall be cold fi
19、nished. 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 accordance with AMS7490. 3.2.2 Stock for Forging or Flash Welded Rings As ordered by the forging or flash welded ring manufacturer. 3.3 Pro
20、perties The product shall conform to the following requirements; hardness and tensile testing shall be performed in accordance with ASTM A370: 3.3.1 Tensile Properties 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
21、 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 30% Reduction of Area 40% Note: Minimum tensile properties for bars and forgings have been taken directly from ASTM A276 (see 8.5) SAE I
22、NTERNATIONAL AMS5645S Page 4 of 7 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), determined approximately at mid-radius or quarter thickness. Table 3 - Hardness, HB Nominal Diameter or Lea
23、st Distance Between Parallel Sides Inches Nominal Diameter or Least Distance Between Parallel Sides Millimeters min max Up 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 Mechan
24、ical Tubing Shall be not higher than 90 HRB, or equivalent (see 8.2), determined approximately midway between outer and inner surfaces. 3.3.2.4 Property requirements for product outside the range covered by 1.1 shall be agreed upon between purchaser and producer. 3.3.3 Susceptibility to Intergranula
25、r Attack Specimens from the product, after sensitizing treatment, shall pass the intergranular corrosion acid test performed in accordance with ASTM A262, Practice E. 3.4 Quality The product, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials
26、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 forgings showing no evidence of reentrant grain flow. 3.5 Tolerances 3.5.1 Bars and Wire In accordance with AMS224
27、1. 3.5.2 Mechanical Tubing In accordance with AMS2243. SAE INTERNATIONAL AMS5645S Page 5 of 7 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The producer of the product shall supply all samples for producers tests and shall be responsible for the performance of all required tests.
28、 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), hardness (3.3.2), susceptibility to interg
29、ranular attack (3.3.3), and tolerances (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 producer unless frequency of testing is specifi
30、ed by purchaser. 4.3 Sampling and 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 producer of bar, wire, forgings, tubing and rings shDOOIXUQLVKZL
31、WKHDFKVKLSPHQWDUHSRUWVKRZLQJWKHSURGXFHUVname 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 for each heat, and for tensile properties, hardness, and susceptibility to intergranular atta
32、ck 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, AMS5645S, product form, size, and quantity. If forgings are supplied, the size and melt source of stock used to make the forgings sha
33、ll also be included. 4.4.2 When the product size is outside the range covered by 1.1, the report shall contain a statement to that effect. 4.4.3 Report the nominal metallurgically worked cross sectional size and the cut size, if different (also see 3.2.1.1.3). 4.4.4 7KHSURGXFHURIIRUJLQJVWRFNVKDOOIXU
34、QLVKZLWKHDFKVKLSPHQWDUHSRUWVKRZLQJWKHSURGXFHUV QDPHDQGFRXQWUwhere 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, and the results of any additional property requirements imposed by the purchase order (se
35、e 8.6). This report shall include the purchase order number, heat and lot numbers, AMS5645S, 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 Stock for Forging or Flash Welded Rings In accordance with AMS237
36、1. 4.5.2 Forgings In accordance with AMS2374. SAE INTERNATIONAL AMS5645S Page 6 of 7 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 (1.8 to 6.1 m) but not mo
37、re 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. 5.2.2 Forgings In accordance with AMS2808. 5.2.3 Flash Welded Rings and Stock for Forging or Flash Welded Rings As agreed upon b
38、y purchaser and producer. 5.3 Packaging 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
39、. ACKNOWLEDGMENT A producer shall mention this specification number and its revision letter in all quotations 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 Re
40、vision Indicator 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 issue of this document. An (R) symbol to the left of the document title indicates a complete revision of
41、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 metals are presented in ASTM E140. 8.3 Terms used in AMS are clarified in ARP1917. 8.4 Dimensions and prope
42、rties 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 units and are presented only for information. 8.5 Tensile properties shown in Table 2 for bars and forging
43、s have been taken directly from ASTM A276, and have not been statistically substantiated in accordance with Aerospace Materials Division policy. SAE INTERNATIONAL AMS5645S Page 7 of 7 8.6 Purchase documents should specify not less than the following: AMS5645S Product form and size or part number of
44、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 to obtain the desired samples Property and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range listed in 1.1. 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“
