1、Nickel Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) - 0.90Ti - 0.50AI - 18FeConsumable Electrode or Vacuum Induction Melted1775 F (968 C) Solution Heat Treated, Precipitation-Hardenable(Composition similar to UNS N07718)1. SCOPE:1.1 Form: This spec
2、ification 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.1.2 Application: These products have been used typically for parts requiring high resistance to creep and stress-rupture up to 1300 F
3、(704 C) and oxidation 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
4、date of the purchase order forms a part of this specification to the extent supplied 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
5、 last published issue of that document shall apply.AEROSPACE MATERIAL SPECIFICATIONAMS 5662MIssued 1965-09Revised 2004-07Superseding AMS 5662LReaffirmed 2009-06SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering science
6、s. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed,
7、 revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2009 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, o
8、r 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) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedbackon this Technica
9、l Report, please visit http:/www.sae.org/technical/standards/AMS5662M Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 5662M SAE AMS 5662M- 2 -2.1 SAE Publications: Available from SAE, 400 Commonw
10、ealth Drive, Warrendale, PA 15096-0001 or www.sae.org.AMS 2261 Tolerances, Nickel, Nickel Alloy, and Cobalt Alloy Bars, Rods, and WireAMS 2269 Chemical Check Analysis Limits, Nickel, Nickel Alloys, and Cobalt AlloysAMS 2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels
11、and Alloys, Wrought Products and Forging StockAMS 2374 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steel and Alloy ForgingsAMS 2750 PyrometryAMS 2806 Identification, Bars, Wire, Mechanical Tubing, and Extrusions, Carbon and Alloy Steels and Corrosion and Heat-Resistant Steel
12、s and AlloysAMS 2808 Identification, ForgingsAMS 7490 Rings, Flash Welded, Corrosion and Heat-Resistant Austenitic Steels, Austenitic-Type Iron, Nickel, or Cobalt Alloys, or Precipitation-Hardenable AlloysARP1313 Determination of Trace Elements in High-Temperature Alloys2.2 ASTM Publications: Availa
13、ble from ASTM, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959 or www.astm.org.ASTM E 8 Tension Testing of Metallic MaterialsASTM E 8M Tension Testing of Metallic Materials (Metric)ASTM E 10 Brinell Hardness of Metallic MaterialsASTM E 21 Elevated Temperature Tension Tests of
14、Metallic MaterialsASTM E 103 Rapid Indentation Hardness Testing of Metallic Materials ASTM E 112 Determining Average Grain SizeASTM E 139 Conducting Creep, Creep-Rupture, and Stress-Rupture Tests of Metallic MaterialsASTM E 292 Conducting Time-for-Rupture Notch Tension Tests of MaterialsASTM E 354 C
15、hemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron, Nickel, and Cobalt 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 354, by spectrochemical m
16、ethods, by the methods of ARP1313 for lead, bismuth, and selenium, or by other analytical methods acceptable to purchaser.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 5662M SAE AMS 5662M- 3 -3
17、.1.1 Determination not required for routine acceptance.3.1.2 Check Analysis: Composition variations shall meet the applicable requirements of AMS 2269.3.2 Melting Practice: Alloy shall be multiple melted using consumable electrode practice in the remelt cycle or shall be induction melted under vacuu
18、m. 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 product shall be supplied in the following condition:3.3.1 Bars: Hot or cold finished, solution heat treated, and descaled e
19、xcept 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.TABLE 1 - CompositionElement min maxCarbon - 0.08Manganese - 0.35Silicon - 0.35Phosphorus - 0.015Sulfur - 0.015Chromium 17.00 21.00Nickel 50.00 55
20、.00Molybdenum 2.80 3.30Columbium (Niobium) 4.75 5.50Titanium 0.65 1.15Aluminum 0.20 0.80Cobalt - 1.00Tantalum (3.1.1) - 0.05Boron - 0.006Copper - 0.30Lead - 0.0005 (5 ppm)Bismuth - 0.00003 (0.3 ppm)Selenium - 0.0003 (3 ppm)Iron remainderCopyright SAE International Provided by IHS under license with
21、SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 5662M SAE AMS 5662M- 4 -3.3.1.2 Cold finished round bars shall be ground or as cold finished; all other cold finished bars shall be as cold finished.3.3.2 Forgings and Flash Welded Rings: Solution heat treated
22、and descaled.3.3.2.1 Flash welded rings shall not be supplied unless specified or permitted on purchasers part drawing. When supplied, rings shall be manufactured in accordance with AMS 7490.3.3.3 Stock for Forging, Flash Welded Rings, or Heading: As ordered by the forging, flash welded ring, or hea
23、ding manufacturer.3.4 Heat Treatment: 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
24、cooling at a rate equivalent to an air cool or faster. Pyrometry shall be in accordance with AMS 2750.3.4.1 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
25、 to the forgings in lieu of using 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 i
26、n accordance with ASTM E 10 or ASTM E 103.3.5.1.1.2 Average Grain Size: Shall be as follows, determined by the comparative method of ASTM E 112. In case of disagreement, the intercept (Heyn) procedure shall be used.3.5.1.1.2.1 Bars and flash welded rings under 9 square inches (58 cm2) in cross-secti
27、onal area shall exhibit an average grain size of 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 E 112, due to the presence of nonrecrystallized grains.3.5.1.1.2.2 Bars and flash welded r
28、ings 9 to 50 square inches (58 to 323 cm2), inclusive, in cross-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 E 112, due
29、to the presence of nonrecrystallized grains.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 5662M SAE AMS 5662M- 5 -3.5.1.1.3 Microstructure: Product shall be free of Laves phase. Banding of acic
30、ular phase and amount of acicular phase shall conform to standards acceptable to purchaser.3.5.1.2 Response to Heat Treatment: Product, 5 inches (127 mm) and under in nominal diameter or least distance between parallel sides, shall meet the requirements of 3.5.1.2.1, 3.5.1.2.2, and 3.5.1.2.3 after b
31、eing precipitation heat treated by heating to 1325 F 15 (718 C 8), holding at heat for not less than eight hours, cooling at a rate of 100 F 15 (56 C 8) degrees per hour to 1150 F 15 (621 C 8), holding at 1150 F 15 (621 C 8) for not less than eight hours, and cooling in air. Instead of the 100 F (56
32、 C) degrees per hour cooling rate to 1150 F 15 (621 C 8), product may be furnace cooled at any rate provided the time at 1150 F 15 (621 C 8) 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
33、 as shown in Table 2, determined in accordance with ASTM E 8 or ASTM E 8M.TABLE 2A - Minimum Room Temperature Tensile Properties, Inch/Pound UnitsSpecimenOrientationTensileStrengthksiYield Strengthat 0.2% OffsetksiElongationin 4D%Reduction ofArea%Longitudinal 185 150 12 15Long-Transverse(Forgings)18
34、0 150 10 12Transverse(Bars)180 150 6 8TABLE 2B - Minimum Room Temperature Tensile Properties, SI UnitsSpecimenOrientationTensileStrengthMPaYield Strengthat 0.2% OffsetMPaElongationin 4D%Reduction ofArea%Longitudinal 1276 1034 12 15Long-Transverse(Forgings)1241 1034 10 12Transverse(Bars)1241 1034 6 8
35、Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 5662M SAE AMS 5662M- 6 -3.5.1.2.1.2 AT 1200 F (649 C): Shall be as specified in Table 3, determined in accordance with ASTM E 21 on specimens heate
36、d to 1200 F 5 (649 C 3), held at heat for not less than 20 minutes before testing, and tested at 1200 F 5 (649 C 3).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 radial d
37、irection 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 which
38、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 vendor.TABLE 3A - Minimum Tensile Properties at 1200 F, Inch/Pound UnitsSpecimenOrientationTensileStre
39、ngthksiYield Strengthat 0.2% OffsetksiElongationin 4D%Reduction ofArea%Longitudinal 145 125 12 15Long-Transverse(Forgings)140 125 10 12Transverse(Bars)140 125 6 8TABLE 3B - Minimum Tensile Properties at 649 C, SI UnitsSpecimenOrientationTensileStrengthMPaYield Strengthat 0.2% OffsetMPaElongationin 4
40、D%Reduction ofArea%Longitudinal 1000 862 12 15Long-Transverse(Forgings)965 862 10 12Transverse(Bars)965 862 6 8Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 5662M SAE AMS 5662M- 7 -3.5.1.2.2 Ha
41、rdness: Shall be not lower than 331 HB, or equivalent (See 8.2), determined in accordance with ASTM E 10 or ASTM E 103. 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 nonconfo
42、rming hardness or from another sample with similar nonconforming hardness, are 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 E 292 and test
43、ing of smooth specimens shall be performed in accordance with ASTM E 139:3.5.1.2.3.1 A standard cylindrical combination smooth-and-notched specimen conforming to ASTM E 292, maintained at 1200 F 3 (649 C 2) while a load sufficient to produce an initial axial stress of 100 ksi (689 MPa) or higher is
44、applied continuously, shall not rupture in less than 23 hours. The test shall 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 (
45、127 mm) and under in nominal diameter or distance between parallel sides.3.5.1.2.3.2 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 E 292 may be tested indiv
46、idually under the conditions of 3.5.1.2.3.1. The smooth specimen shall not rupture in less than 23 hours and elongation after rupture, measured at room temperature, shall be as specified in 3.5.1.2.3.1. The notched specimen shall not rupture in less time than the companion smooth specimen but need n
47、ot be tested to rupture.3.5.1.2.3.3 The tests of 3.5.1.2.3.1 and 3.5.1.2.3.2 may be conducted using incremental loading. In such case, the load required to produce an initial axial stress of 100 ksi (689 MPa) or higher shall be used to rupture or for 23 hours, whichever occurs first. After the 23 ho
48、urs and at intervals of 8 hours minimum, thereafter, the stress shall be increased in increments of 5.0 ksi (34.5 MPa). Time to rupture, rupture location, and elongation requirements shall be as specified in 3.5.1.2.3.1.3.5.1.3 After Re-solution and Precipitation Heat Treatment: The product shall meet the requirements of 3.5.1.2.1, 3.5.2.1.2.2, and 3.5.1.2.3 after being re-solution heat treated by heating to 1750 F 25 (954 C 14), holding at heat for not less than 60 minutes, and cooling at a rate equivalent to an air cool or faster and precipitation heat treated as
