SAE AMS 5656F-2015 Steel Corrosion Resistant Bars Wire Forgings Extrusions and Rings 9 0Mn - 20Cr - 6 5Ni - 0 27N Solution Heat Treated (UNS S21904).pdf

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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 revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2015 SAE International All rights reserved. No part of this p

3、ublication 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: +1 724-776-497

4、0 (outside USA) 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/AMS5656F AEROSPACE MATERIAL SPECIFICATION AMS5656 REV. F Issued 1968-12 Reaffirme

5、d 2006-04 Revised 2015-07 Superseding AMS5656E Steel, Corrosion Resistant, Bars, Wire, Forgings, Extrusions, and Rings 9.0Mn - 20Cr - 6.5Ni - 0.27N Solution Heat Treated (Composition similar to UNS S21904) RATIONALE AMS5656F revises Reports (4.4), and is a Five Year Review and update of this specifi

6、cation. 1. SCOPE 1.1 Form This specification covers a corrosion-resistant steel in the form of bars, wire, forgings, extrusions, flash welded rings, and stock for forging, extruding, or flash welded rings. 1.2 Application These products have been used typically for parts requiring high strength and

7、corrosion resistance from -425 to 1100 F (-254 to 593 C) and where parts may require welding during fabrication, 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

8、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 published issue of that document shall apply. 2.1 SAE P

9、ublications Available 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, Titanium, and Titanium Alloy Bars and Wire AMS

10、2248 Chemical Check Analysis Limits, Corrosion and Heat-Resistant Steels and Alloys, Maraging and Other Highly-Alloyed Steels, and Iron Alloys SAE INTERNATIONAL AMS5656F Page 2 of 6 AMS2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and F

11、orging 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 AMS7490

12、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 19428-2959, Tel: 610-832-9585,

13、www.astm.org. ASTM A262 Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels 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 Compo

14、sition Shall conform to 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 - 0.04 Manganese 8.00 10.00 Silicon -

15、1.00 Phosphorus - 0.060 Sulfur - 0.030 Chromium 19.00 21.50 Nickel 5.50 7.50 Nitrogen 0.15 0.40 Molybdenum - 0.75 Copper - 0.75 3.1.1 Check Analysis Composition variations shall meet the applicable requirements of AMS2248. 3.2 Condition 3.2.1 Bars Hot rolled, solution heat treated, and descaled. 3.2

16、.1.1 Round bars shall be ground or turned. SAE INTERNATIONAL AMS5656F Page 3 of 6 3.2.2 Wire Cold finished, and solution heat treated. 3.2.3 Forgings, Extrusions, and Flash Welded Rings Solution heat treated, and descaled. 3.2.3.1 Flash welded rings shall not be supplied unless specified or permitte

17、d on purchasers part drawing. When supplied, rings shall be manufactured in accordance with AMS7490. 3.2.4 Stock for Forging, Flash Welded Rings, or Extrusions As ordered by the forging, flash welded ring, or extrusion manufacturer. 3.3 Properties The product shall conform to the following requireme

18、nts; tensile and hardness testing shall be performed in accordance with ASTM A370: 3.3.1 Bars, Wire, Forgings, Extrusions, and Flash Welded Rings 3.3.1.1 Tensile Properties Shall be as shown in Table 2. Table 2 - Minimum tensile properties Property Value Tensile Strength 90 ksi (621 MPa) Yield Stren

19、gth at 0.2% Offset 50 ksi (345 MPa) Elongation in 4D 40% Reduction in area 60% 3.3.1.2 Hardness Shall be not higher than 100 HRB, or equivalent (See 8.2). 3.3.1.3 Susceptibility to Intergranular Attack A specimen of the product shall be sensitized by heating in air to 1250 F 10 (677 C 6), holding at

20、 heat for 60 minutes 5, and cooling in air. The specimen shall not show any evidence of intergranular attack when immersed in acidified copper sulfate solution in accordance with ASTM A262, Practice E, except that the exposure time shall be 72 hours and the metallic copper shall not be used. The spe

21、cimen, after immersion, shall withstand, without cracking, bending in accordance with ASTM A262, Practice E. 3.3.2 Stock for Forging, Extruding, or Flash Welded Rings Shall have properties as agreed upon by purchaser and producer. 3.4 Quality The product, as received by purchaser, shall be uniform i

22、n 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 the general contour of the forgings showing no evidence of reentrant grain fl

23、ow. SAE INTERNATIONAL AMS5656F Page 4 of 6 3.5 Tolerances Bars and wire shall conform to all applicable requirements of AMS2241. 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

24、 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 The following requirements are acceptance tests and sh

25、all be performed on each heat or lot as applicable. 4.2.1.1 Composition (3.1) of each heat. 4.2.1.2 Tensile properties (3.3.1.1) and hardness (3.3.1.2) of each lot of bars, wire, forgings, extrusions, and flash welded rings. 4.2.1.3 Tolerances (3.5) of bars and wire. 4.2.2 Periodic Tests Susceptibil

26、ity to intergranular attack (3.3.1.3) and grain flow of die forgings (3.4.1) are periodic tests and shall be performed at a frequency selected by the producer unless frequency of testing is specified by purchaser. 4.3 Sampling and Testing 4.3.1 Bars, Wire, Extrusions, Flash Welded Rings, and Stock f

27、or Forging, Extruding, 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 the product shall furnish with each shipment a report showing the producers name and country where the metal was melted (e.g., final melt in the case

28、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, and stating that the product conforms to the other technical requirements. This report shall include the purchase order number, heat and lot n

29、umbers, AMS5656F, size, product form, 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 producer of stock for forgings, extrusions or flash welded rings shall furnish with each shipment a report showing the producers

30、 name and the 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. This report shall include the purchase order number, heat number, AMS5656F, product form, size, and quantity. SAE

31、 INTERNATIONAL AMS5656F Page 5 of 6 4.5 Resampling and Retesting 4.5.1 Bars, Wire, Extrusions, Flash Welded Rings, and Stock for Forging, Extruding, or Flash Welded Rings In accordance with AMS2371. 4.5.2 Forgings In accordance with AMS2374. 5. PREPARATION FOR DELIVERY 5.1 Sizes Except when exact le

32、ngths 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 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 Extrusions In accordance w

33、ith AMS2806. 5.2.2 Forgings In accordance with AMS2808. 5.2.3 Flash Welded Rings and Stock for Forging, Extruding, or Flash Welded Rings As agreed upon by purchaser and producer. 5.3 Packaging The product shall be prepared for shipment in accordance with commercial practice and in compliance with ap

34、plicable rules and regulations pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A producer shall mention this specification number and its revision letter in all quotations and when acknowledging purchase order

35、s. 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 technical revisions, not editorial changes, ha

36、ve 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 contain editorial changes only. 8.2 Hard

37、ness conversion tables for metals are presented in ASTM E140. 8.3 Terms used in AMS are clarified in ARP1917. SAE INTERNATIONAL AMS5656F Page 6 of 6 8.4 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary; dimensions and properties in SI units and the Celsius te

38、mperatures 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: AMS5656F Form and size or part number of product desired If forging stock, data to be included in the report (See 3.3.2) Quantity of product desired. PREPARED BY AMS COMMITTEE “F”