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/AMS5662N AEROSPACE MATERIAL SPECIFICATION AMS5662 REV. N Issued 1965-09 Reaffirme
5、d 2009-06 Revised 2016-06Superseding AMS5662M Nickel Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings 52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) - 0.90Ti - 0.50AI - 18Fe Consumable Electrode or Vacuum Induction Melted 1775 F (968 C) Solution Heat Treated, Precipitation-Hardenable (Composition
6、similar to UNS N07718)RATIONALE AMS5662N revises Composition (Table 1), Condition (3.3.1.3), Properties (3.5, Tables 2 and 3), added properties for product 5 to 10 inches (127 to 254 mm) in diameter or least distance between parallel sides, adds conformance to AS6279 (3.8), and revises Reports (4.4)
7、, and is a Five Year Review and update of this specification. 1. SCOPE 1.1 Form This specification covers a corrosion and heat-resistant nickel alloy in the form of bars, forgings, flash welded rings, and stock for forging, flash welded rings, or heading 10.00 inches (254 mm) and under in nominal di
8、ameter or least distance between parallel sides, having a maximum cross-sectional area of 78 in2(503 cm2), and forging stock of any size (see 8.5). 1.2 Application These products have been used typically for parts requiring high resistance to creep and stress-rupture up to 1300 F (704 C) and oxidati
9、on resistance up to 1800 F (982 C), particularly those parts which are formed or welded and then precipitation heat treated to develop required properties, but usage is not limited to such applications. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of the purchas
10、e 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 published is
11、sue of that document shall apply. SAE INTERNATIONAL AMS5662N Page 2 of 10 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 USA), www.sae.org. AMS2261 Tolerances, Nickel, Nic
12、kel Alloy, and Cobalt Alloy Bars, Rods, and Wire AMS2269 Chemical Check Analysis Limits, Nickel, Nickel Alloys, and Cobalt Alloys AMS2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging Stock AMS2374 Quality Assurance Sampling and
13、Testing, Corrosion and Heat-Resistant Steel and Alloy Forgings AMS2750 Pyrometry 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 an
14、d Heat-Resistant Austenitic Steels, Austenitic-Type Iron, Nickel, or Cobalt Alloys, or Precipitation-Hardenable Alloys ARP1313 Determination of Trace Elements in High-Temperature Alloys ARP1917 Clarification of Terms Used in Aerospace Metals Specifications AS6279 Standard Practices for Production, D
15、istribution and Procurement of Metal Stock 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 E8/E8M Tension Testing of Metallic Materials ASTM E10 Brinell Hardness of Metallic Materia
16、ls ASTM E21 Elevated Temperature Tension Tests of Metallic Materials ASTM E103 Rapid Indentation Hardness Testing of Metallic Materials ASTM E112 Determining Average Grain Size ASTM E139 Conducting Creep, Creep-Rupture, and Stress-Rupture Tests of Metallic Materials ASTM E140 Conversion Tables for M
17、etals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness ASTM E292 Conducting Time-for-Rupture Notch Tension Tests of Materials ASTM E354 Chemical Analysis of High-Temperature, Electrical, Magnetic,
18、and Other Similar Iron, Nickel, and Cobalt Alloys SAE INTERNATIONAL AMS5662N Page 3 of 10 3. 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 E354, by spectrochemical methods, by the methods
19、 of ARP1313 for lead, bismuth, and selenium, or by other analytical methods acceptable to purchaser. Table 1 - Composition Element min max Carbon - 0.08 Manganese - 0.35 Silicon - 0.35 Phosphorus - 0.015 Sulfur - 0.015 Chromium 17.00 21.00 Nickel 50.00 55.00 Molybdenum 2.80 3.30 Columbium (Niobium)
20、4.75 5.50 Titanium 0.65 1.15 Aluminum 0.20 0.80 Cobalt - 1.00 Boron - 0.006 Copper - 0.30 Lead - 0.0005 (5 ppm) Bismuth - 0.00003 (0.3 ppm) Selenium - 0.0003 (3 ppm) Iron remainder 3.1.1 Check Analysis Composition variations shall meet the applicable requirements of AMS2269. 3.2 Melting Practice All
21、oy shall be multiple melted using consumable electrode practice in the remelt cycle or shall be induction melted under vacuum. If consumable electrode remelting is not performed in vacuum, electrodes which have been produced by vacuum induction melting shall be used for remelting. 3.3 Condition The
22、product shall be supplied in the following condition: 3.3.1 Bars Hot or cold finished, solution heat treated, and descaled except as specified in 3.3.1.1 and 3.3.1.2. 3.3.1.1 Hot finished round bars shall be ground or turned; all other hot finished bars shall be as hot finished. 3.3.1.2 Cold finishe
23、d round bars shall be ground or as cold finished; all other cold finished bars shall be as cold finished. 3.3.1.3 Bars shall not be cut from plate (also see 4.4.1.1). SAE INTERNATIONAL AMS5662N Page 4 of 10 3.3.2 Forgings and Flash Welded Rings Solution heat treated and descaled. 3.3.2.1 Flash welde
24、d rings shall not be supplied unless specified or permitted on purchasers part drawing. When supplied, rings shall be manufactured in accordance with AMS7490. 3.3.3 Stock for Forging, Flash Welded Rings, or Heading As ordered by the forging, flash welded ring, or heading manufacturer. 3.4 Heat Treat
25、ment Bars, forgings, and flash welded rings shall be solution heat treated by heating to a temperature within the range 1725 to 1850 F (941 to 1010 C), holding at the selected temperature within 25 F (14 C) for a time commensurate with cross-sectional thickness, and cooling at a rate equivalent to a
26、n air cool or faster. Pyrometry shall be in accordance with AMS2750. 3.4.1 If forgings are not to be machined all over, heat treatment shall be performed in a suitable protective atmosphere or, when permitted by purchaser, a suitable protective coating may be applied to the forgings in lieu of using
27、 a protective atmosphere. 3.5 Properties The product shall conform to the following requirements: 3.5.1 Bars, Forgings, and Flash Welded Rings 3.5.1.1 As Solution Heat Treated 3.5.1.1.1 Hardness Shall be not higher than 277 HB, or equivalent (see 8.2), determined in accordance with ASTM E10 or ASTM
28、E103. 3.5.1.1.2 Average Grain Size Shall be as follows, determined by the comparative method of ASTM E112. In case of disagreement, the intercept (Heyn) procedure shall be used. 3.5.1.1.2.1 Bars and flash welded rings under 9 in2(58 cm2) in cross-sectional area shall exhibit an average grain size of
29、 ASTM No. 5 or finer. Up to 20% of the cross section of the product may have an average grain size of ASTM No. 3 to 5, determined by the intercept method of ASTM E12, due to the presence of nonrecrystallized grains. 3.5.1.1.2.2 Bars and flash welded rings 9 to 78 in2(58 to 503 cm2), inclusive, in cr
30、oss-sectional area and all forgings shall exhibit an average grain size of ASTM No. 4 or finer. Up to 20% of the product cross section may have an average grain size of ASTM No. 2 to 4, determined by the intercept method of ASTM E112, due to the presence of nonrecrystallized grains. 3.5.1.1.3 Micros
31、tructure Product shall be free of Laves phase. Banding of acicular phase and amount of acicular phase shall conform to standards acceptable to purchaser. SAE INTERNATIONAL AMS5662N Page 5 of 10 3.5.1.2 Response to Heat Treatment Product, 10 inches (254 mm) and under in nominal diameter or least dist
32、ance between parallel sides, having a maximum cross-sectional area of 78 in2(503 cm2), shall meet the requirements of 3.5.1.2.1, 3.5.1.2.2, and 3.5.1.2.3 after being precipitation heat treated by heating to 1325 F 15 F (718 C 8 C), holding at heat for not less than eight hours, cooling at a rate of
33、100 F 15 F (56 C 8 C) degrees per hour to 1150 F 15 F (621 C 8 C), holding at 1150 F 15 F (621 C 8 C) for not less than eight hours, and cooling in air. Instead of the 100 F (56 C) degrees per hour cooling rate to 1150 F 15 F (621 C 8 C), product may be furnace cooled at any rate provided the time a
34、t 1150 F 15 F (621 C 8 C) is adjusted to give a total precipitation heat treatment time of not less than 18 hours. 3.5.1.2.1 Tensile Properties 3.5.1.2.1.1 At Room Temperature Shall be as shown in Table 2, determined in accordance with ASTM E8/E8M. Table 2A - Minimum room temperature tensile propert
35、ies, inch/pound units Specimen Orientation Diameter or Least Distance Between Parallel Sides, inch Tensile Strength ksi Yield Strength at 0.2% Offset ksi Elongation in 4D % Reduction of Area % Longitudinal Up to 10.00, incl. 185 150 12 15 Long-Transverse (Forgings) Up to 5.00, incl 180 150 10 12 Ove
36、r 5.00 to 10.00, incl 180 145 10 12 Transverse (Bars) Up to 5.00, incl 180 150 6 8 Over 5.00 to 10.00, incl 180 145 6 8 Table 2B Minimum room temperature tensile properties, SI units Specimen Orientation Diameter or Least Distance Between Parallel Sides, mm Tensile Strength MPa Yield Strength at 0.2
37、% Offset MPa Elongation in 4D % Reduction of Area % Longitudinal Up to 254.0, incl. 1276 1034 12 15 Long-Transverse (Forgings) Up to 127.0, incl 1241 1034 10 12 Over 127.0 to 254.0, incl 1241 1000 10 12 Transverse (Bars) Up to 127.0, incl 1241 1034 6 8 Over 127.0 to 254.0, incl 1241 1000 6 8 SAE INT
38、ERNATIONAL AMS5662N Page 6 of 10 3.5.1.2.1.2 At 1200 F (649 C): Shall be as specified in Table 3, determined in accordance with ASTM E21 on specimens heated to 1200 F 5 F (649 C 3 C), held at heat for not less than 20 minutes before testing, and tested at 1200 F 5 F (649 C 3 C). Table 3A - Minimum t
39、ensile properties at 1200 F, inch/pound units Specimen Orientation Diameter or Least Distance Between Parallel Sides, inch Tensile Strength ksi Yield Strength at 0.2% Offset ksi Elongation in 4D % Reduction of Area % Longitudinal Up to 5.00, incl 145 125 12 15 Over 5.00 to 10.00, incl 145 122 12 15
40、Long-Transverse (Forgings) Up to 5.00, incl 140 125 10 12 Over 5.00 to 10.00, incl 140 122 10 12 Transverse (Bars) Up to 5.00, incl 140 125 6 8 Over 5.00 to 10.00, incl 140 122 6 8 Table 3B - Minimum tensile properties at 649 C, SI units Specimen Orientation Diameter or Least Distance Between Parall
41、el Sides, mm Tensile Strength MPa Yield Strength at 0.2% Offset MPa Elongation in 4D % Reduction of Area % Longitudinal Up to 127.0, incl. 1000 862 12 15 Over 127.0 to 254.0, incl 1000 841 12 15 Long-Transverse (Forgings) Up to 127.0, incl 965 862 10 12 Over 127.0 to 254.0, incl 965 841 10 12 Transv
42、erse (Bars) Up to 127.0, incl 965 862 6 8 Over 127.0 to 254.0, incl 965 841 6 8 SAE INTERNATIONAL AMS5662N Page 7 of 10 3.5.1.2.1.3 Longitudinal requirements of 3.5.1.2.1.1 and 3.5.1.2.1.2 apply to specimens taken with the axis approximately parallel to the grain flow, to specimens taken in the radi
43、al direction and in the tangential direction at the rim of disc forgings, and to specimens taken in the circumferential direction from flash welded rings. All other specimens shall be considered to be in the transverse direction. 3.5.1.2.1.4 Transverse tensile properties apply only to product from w
44、hich a tensile specimen not less than 2.50 inches (63.5 mm) long can be obtained. 3.5.1.2.1.5 Specific locations of specimens from forgings and flash welded rings shall be as agreed upon by purchaser and producer. 3.5.1.2.2 Hardness Shall be not lower than 331 HB, or equivalent (see 8.2), determined
45、 in accordance with ASTM E10 or ASTM E103. Product shall not be rejected on the basis of hardness if the tensile property requirements of 3.5.1.2.1.1, determined on specimens taken from the same sample as that with nonconforming hardness or from another sample with similar nonconforming hardness, ar
46、e acceptable. 3.5.1.2.3 Stress-Rupture Properties at 1200 F (649 C) Shall be as follows; testing of notched specimens and of combination smooth-and-notched specimens shall be performed in accordance with ASTM E292 and testing of smooth specimens shall be performed in accordance with ASTM E139. 3.5.1
47、.2.3.1 A standard cylindrical combination smooth-and-notched specimen conforming to ASTM E292, maintained at 1200 F 3 F (649 C 2 C) while a load sufficient to produce an initial axial stress of 100 ksi (689 MPa) or higher is applied continuously, shall not rupture in less than 23 hours. The test sha
48、ll be continued to rupture without change of load. Rupture shall occur in the smooth section and elongation of this section after rupture, measured at room temperature, shall be not less than 4% in 4D for product 5.0 inches (127 mm) and under in nominal diameter or distance between parallel sides. 3
49、.5.1.2.3.2 As an alternate procedure, separate smooth and notched specimens, machined from adjacent sections of the same piece, with gage sections conforming to the respective dimensions shown in ASTM E292 may be tested individually under the conditions of 3.5.1.2.3.1. The smooth specimen shall not rupture in less than 23 hours and elo
