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 2016 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/AMS5648M AEROSPACE MATERIAL SPECIFICATION AMS5648 REV. M Issued 1947-12 Revised 2
5、016-09Superseding AMS5648L Steel, Corrosion and Heat-Resistant, Bars, Wire, Forgings, Tubing, and Rings, 17Cr - 12Ni - 2.5Mo (316) Solution Heat Treated (Composition similar to UNS S31600)RATIONALE AMS5648M revises Condition (3.2), Hardness of bars is deleted (3.3.2), and also revises Reports (4.4),
6、 and is 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 Application These products have b
7、een used typically for parts requiring corrosion and heat resistance up to 1600 F (871 C), but usage is not limited to such applications. 1.2.1 At comparable elevated temperatures, strength of this steel is slightly higher than, and oxidation resistance is similar to, the 18-8 type steels. 2. APPLIC
8、ABLE 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
9、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 and Canada) or +1 724-776-4970 (outside US
10、A), 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 AMS5648M Page 2 of 7 AMS2248 Chemical Check Analysis Limits Corrosion and Heat-Resistant Stee
11、ls 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 Corrosion and Heat-Resistant Steel and Alloy Forgin
12、gs 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 Steels, Austenitic-Type Iron, Nickel, or Cobalt Alloy
13、s, or Precipitation-Hardenable Alloys ARP1917 Clarification of Terms Used in Aerospace Metals Specifications 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 Susceptib
14、ility to Intergranular Attack in Austenitic Stainless Steels ASTM A276 Standard Specification for Stainless Steel Bars and Shapes ASTM A370 Mechanical Testing of Steel Products ASTM E140 Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficia
15、l Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness ASTM E353 Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Similar Chromium-Nickel-Iron Alloys 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the percentages by weight shown in Table 1, determined by w
16、et 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 - 0.08 Manganese 1.25 2.00 Silicon - 1.00 Phosphorous - 0.040 Sulfur - 0.030 Chromium 16.00 18.00 Nickel 10.00 14.00 Moly
17、bdenum 2.00 3.00 Copper - 1.00 SAE INTERNATIONAL AMS5648M 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 in the following condition: 3.2.1 Bars, Wire, Forgings, Flash Welded Rings, and Mechanical
18、Tubing Solution heat treated. 3.2.1.1 Bars and Wire 3.2.1.1.1 All hexagons, regardless of size, other bars 2.75 inches (69.8 mm) and under in nominal diameter or least distance between parallel sides, and wire shall be cold finished after solution heat treatment. 3.2.1.1.2 Bars, other than hexagons,
19、 over 2.75 inches (69.8 mm) in nominal diameter or least distance between parallel sides shall be hot finished or cold finished, solution heat treated, and descaled. 3.2.1.1.3 Bars shall not be cut from plate (also see 4.4.5). 3.2.1.2 Mechanical Tubing Shall be cold finished after solution heat trea
20、tment. 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 Prop
21、erties 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 Shall be as Shown in Table 2. Table 2 - Minimum tensile properties Property Value Tensile Strength 75 ksi (
22、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 INTERNATIONAL AMS5648M Page 4 of 7 3.3.1.1.1 Reduction of area does not apply on flat b
23、ars 3/16 inch (4.80 mm) and under in thickness. 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 Mechanical Tubing Shall be not higher than 90 HRB, or equivalent (see 8.2), determined approximately midway between outer and inner surfaces. 3.3.2.2 Fla
24、sh Welded Rings Shall be not higher than 187 HB, or equivalent (see 8.2). 3.3.3 Susceptibility to Intergranular Attack Specimens from the product shall pass the intergranular corrosion test performed in accordance with ASTM A262, Practice E. 3.4 Quality The product, as received by purchaser, shall b
25、e 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 the general contour of the forgings showing no evidence of reentra
26、nt grain flow. 3.5 Tolerances Shall be as follows: 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 producer of the product shall supply all samples for producers tests and shall
27、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 Acceptance Tests Composition (3.1), tensile prope
28、rties (3.3.1.1 or 3.3.1.2, as applicable), 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. 4.2.2 Periodic Tests Grain flow of die forgings (3.4.1) is a periodic test and shall be per
29、formed at a frequency selected by the producer unless frequency of testing is specified by purchaser. SAE INTERNATIONAL AMS5648M Page 5 of 7 4.3 Sampling and Testing Shall be as follows: 4.3.1 Bars, Wire, Mechanical Tubing, Flash Welded Rings, and Stock for Forging or Flash Welded Rings In accordanc
30、e with AMS2371. 4.3.2 Forgings In accordance with AMS2374. 4.4 Reports The producer of the bar, wire, forgings, tubing and rings 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 of metal processed by multiple me
31、lting operations) and the following results of tests and relevant information: 4.4.1 For each heat: Composition. 4.4.2 For each lot of bars, wire, forgings, mechanical tubing, and flash welded rings: Tensile properties, if bars, wire, or forgings Hardness, if not wire, bar, or forging Susceptibility
32、 to intergranular attack. 4.4.3 A statement that the product conforms to the other technical requirements. 4.4.4 Purchase order number Heat and lot numbers AMS5648M Size Quantity. 4.4.5 If the ship size/shape is cut from a larger cross section, report the nominal metallurgically worked size (also se
33、e 3.2.1.1.3). 4.4.6 If forgings are supplied, the size and melt source of stock used to make the forgings. 4.4.7 The producer of stock for forging or flash welded rings shall furnish with each shipment a report showing the producers name and country where the metal was melted (e.g., final melt in th
34、e case of metal processed by multiple melting operations) and the composition of each heat and the results of any additional property requirements imposed by the purchase order (see 8.6). This report shall include the purchase order number, heat number, AMS5648M, product form, size, and quantity. 4.
35、5 Resampling and Retesting Shall be as follows: 4.5.1 Bars, Wire, Mechanical Tubing, Flash Welded Rings, and Stock for Forging or Flash Welded Rings In accordance with AMS2371. 4.5.2 Forgings In accordance with AMS2374. SAE INTERNATIONAL AMS5648M Page 6 of 7 5. PREPARATION FOR DELIVERY 5.1 Sizes Exc
36、ept when exact lengths or multiples of exact lengths are ordered, straight bars, wire, and mechanical tubing 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 Shall be as
37、 follows: 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 by purchaser and producer. 5.3 Packaging The product shall be prepared for shipment in accordan
38、ce 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. ACKNOWLEDGMENT A producer shall mention this specification number and its revision letter in
39、 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 Revision Indicator A change bar (l) located in the left margin is for the convenience of the use
40、r 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 technical revisions. Change bars and (R) are not used in original publ
41、ications, 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 the Fahrenheit temperatures are primary; dimensions and properti
42、es 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 forgings have been taken directly from ASTM A276, and have not been statistically substantiated in ac
43、cordance with Aerospace Materials Division policy. SAE INTERNATIONAL AMS5648M Page 7 of 7 8.6 Purchase documents should specify not less than the following: AMS5648M Product form and size or part number of product desired Quantity of product desired. If forging stock, specify any additional property
44、 requirements beyond those reported in 4.4.7 and provide details of how to obtain the desired samples. 8.7 Similar Specifications ASTM A276 Type 316, Condition A, AMS-QQ-S-763/, Class 316, Condition A, and AMS-S-7720, Composition 316, Condition A, are listed for information only and shall not be construed as acceptable alternates unless all requirements of this AMS are met. PREPARED BY AMS COMMITTEE “F“
