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 theref
2、rom, 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 2014 SAE InternationalAll rights reserved. No part of this publi
3、cation 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: +1 724-776-4970 (out
4、side USA)Fax: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/AMS5886CAEROSPACE MATERIAL SPECIFICATIONAMS5886 REV. CIssued 1986-07Reaffirmed 2008-05Revised
5、 2014-06Superseding AMS5886BAlloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings50Ni - 20Cr - 20Co - 5.8Mo - 2.2Ti - 0.45AlConsumable Electrode or Vacuum Induction Melted2100 F (1149 C) Solution Heat Treated(Composition similar to UNS N07263)RATIONALEAMS5886C revises Scope (1.1.1), Conditi
6、on (3.3.1.2), Reports (4.4), and is a Five Year Review and update of this specification.1. SCOPE1.1 FormThis specification covers a corrosion and heat-resistant nickel alloy in the form of bars, forgings, flash welded rings, and stock for forging or flash welded rings.1.1.1 This specification covers
7、 product 3.25 inches (82.6 mm) and under in nominal diameter or least distance between parallel sides, and forging stock of any size (See 8.4).1.2 ApplicationThese products have been used typically for parts requiring high strength up to 1500 F (816 C) and oxidation resistance up to 2000 F (1093 C),
8、 particularly those parts which are formed or welded and then heat treated to develop required properties, but usage is not limited to such applications.2. APPLICABLE DOCUMENTSThe issue of the following documents in effect on the date of the purchase order forms a part of this specification to the e
9、xtent 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 last published issue of that document shall apply.2.1 SAE Publication
10、sAvailable from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org.AMS2261 Tolerances, Nickel, Nickel Alloy, and Cobalt Alloy Bars, Rods, and WireSAE INTERNATIONAL AMS5886C Page 2 of 6AMS2269 Chem
11、ical Check Analysis Limits, Nickel, Nickel Alloys and Cobalt AlloysAMS2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging StockAMS2374 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steel and Alloy ForgingsAM
12、S2806 Identification, Bars, Wire, Mechanical Tubing, and Extrusions, Carbon and Alloy Steels and Corrosion and Heat-Resistant Steels and AlloysAMS2808 Identification, ForgingsAMS7490 Rings, Flash Welded, Corrosion and Heat-Resistant Austenitic Steels, Austenitic-Type Iron, Nickel, or Cobalt Alloys,
13、or Precipitation Hardenable Alloys2.2 ASTM PublicationsAvailable from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM E 10 Brinell Hardness of Metallic MaterialsASTM E 21 Elevated Temperature Tests of Metallic Materials
14、ASTM E 139 Conducting Creep, Creep-Rupture, and Stress-Rupture Tests of Metallic MaterialsASTM E 354 Chemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron, Nickel, and Cobalt Alloys3. TECHNICAL REQUIREMENTS3.1 CompositionShall conform to the percentages by weight shown
15、in Table 1, determined by wet chemical methods in accordance with ASTM E 354, by spectrochemical methods, or by other analytical methods acceptable to purchaser.TABLE 1 COMPOSITIONElement min maxCarbon 0.04 0.08Manganese - 0.60Silicon - 0.40Phosphorus - 0.015Sulfur - 0.007Chromium 19.00 21.00Cobalt
16、19.00 21.00Molybdenum 5.60 6.10Titanium 1.90 2.40Aluminum 0.30 0.60Titanium + Aluminum 2.40 2.80Boron - 0.005Iron - 0.70Copper - 0.20Nickel Remainder3.1.1 Check AnalysisComposition variations shall meet the applicable requirements of AMS2269.SAE INTERNATIONAL AMS5886C Page 3 of 63.2 Melting Practice
17、The alloy shall be produced by multiple melting using consumable electrode practice in the remelt cycle or shall be induction melted under vacuum.3.3 ConditionThe product shall be supplied in the following condition:3.3.1 BarsSolution heat treated and descaled.3.3.1.1 Bars shall be hot rolled or ext
18、ruded; round bars shall be ground or turned.3.3.1.2 Bars shall not be cut from plate (Also see 4.4.2)3.3.2 Forgings and Flash Welded RingsSolution heat treated.3.3.2.1 Flash welded rings shall not be supplied unless specified or permitted on purchasers part drawing. When supplied, rings shall be man
19、ufactured in accordance with AMS7490.3.3.3 Stock for Forging or Flash Welded RingsAs ordered by the forging or flash welded ring manufacturer.3.4 Heat TreatmentBars, forgings, and flash welded rings shall be solution heat treated by heating to a temperature within the range 1900 to 2125 F (1038 to 1
20、163 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 an air cool or faster.3.5 PropertiesThe product shall conform to the following requirements:3.5.1 Bars, Forgings, and Flash Welded Rings3.5.1.1 As
21、 Solution Heat Treated3.5.1.1.1 HardnessShall be not higher than 248 HB, or equivalent (See 8.2), determined in accordance with ASTM E 10.3.5.1.2 After Precipitation Heat TreatmentProduct 3.25 inches (82.6 mm) and under in nominal diameter or least distance between parallel sides shall have the foll
22、owing properties after being precipitation heat treated by heating to 1475 F 15 (802 C 8), holding at heat for 8 hours 0.5, and cooling in air; product over 3.25 inches (82.6 mm) in nominal diameter or least distance between parallel sides shall have properties as agreed upon by purchaser and vendor
23、:3.5.1.2.1 Tensile Properties at 1435 F (779 C)Shall be as shown in Table 2, determined in accordance with ASTM E 21 on specimens heated to 1435 F 10 (779 C 6) held at heat for 20 to 30 minutes before testing, and tested at 1435 F 10 (779 C 6).SAE INTERNATIONAL AMS5886C Page 4 of 6TABLE 2 - MINIMUM
24、TENSILE PROPERTIESProperty ValueTensile Strength 78.5 ksi (541 MPa)Yield Strength at 0.2% Offset 58.5 ksi (403 MPa)Elongation in 4D 12%3.5.1.2.2 Creep Properties at 1435 F (779 C)A tensile specimen, maintained at 1435 F 3 (779 C 2) while a load sufficient to produce an initial axial stress 17.4 ksi
25、(120 MPa) is applied continuously, shall not exceed 0.1% total plastic strain in 50 hours. Test shall be conducted in accordance with ASTM E 139.3.5.2 Forging StockWhen a sample of stock is forged to a test coupon and heat treated as in 3.4 and 3.5.1.2, specimens taken from the heat treated coupon s
26、hall conform to the requirements of 3.5.1.2.1 and 3.5.1.2.2. If specimens taken from stock after heat treatment as in 3.4 and 3.5.1.2 conform to the requirements of 3.5.1.2.1 and 3.5.1.2.2, the tests shall be accepted as equivalent to tests of a forged coupon.3.5.3 Stock for Flash Welded RingsSpecim
27、ens taken from the stock after heat treatment as in 3.4 and 3.5.1.2 shall conform to the requirements of 3.5.1.2.1 and 3.5.1.2.2.3.6 QualityThe product, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from imperfections detrimental to u
28、sage of the product.3.6.1 Grain flow, except in areas of die forgings which contain flash-line end grain, shall follow the general contour of the forgings showing no evidence of re-entrant grain flow.3.7 TolerancesBars shall conform to all applicable requirements of AMS2261.4. QUALITY ASSURANCE PROV
29、ISIONS4.1 Responsibility for InspectionThe vendor of the product shall supply all samples for vendors tests and shall 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 c
30、onforms to specified requirements.4.2 Classification of Tests4.2.1 Acceptance TestsThe following requirements are acceptance tests and shall be performed on each heat or lot as applicable.4.2.1.1 Composition (3.1) of each heat.4.2.1.2 Hardness (3.5.1.1.1) of each lot of bars, forgings, and flash wel
31、ded rings as solution heat treated.4.2.1.3 Tensile properties (3.5.1.2.1) and creep properties (3.5.1.2.2) of each lot of bars, forgings, and flash welded rings after precipitation heat treatment.4.2.1.4 Tolerances of bars (3.7).SAE INTERNATIONAL AMS5886C Page 5 of 64.2.2 Periodic TestsTests of forg
32、ing stock (3.5.2) and of stock for flash welded rings (3.5.3) to demonstrate ability to develop required properties, and grain flow of forgings (3.6.1) are periodic tests and shall be performed at a frequency selected by the vendor unless frequency of testing is specified by purchaser.4.3 Sampling a
33、nd TestingShall be as follows:4.3.1 Bars, Flash Welded Rings, and Stock for Forging or Flash Welded RingsIn accordance with AMS2371.4.3.2 ForgingsIn accordance with AMS2374.4.4 Reports4.4.1 The vendor of bars, forgings and flash welded rings shall furnish with each shipment a report showing the vend
34、ors 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 of each heat, hardness of each lot as solution heat treated, tensile and creep properties of each lot after precipitation heat
35、 treatment, and a statement that the product conforms to the other technical requirements. This report shall include the purchase order number, heat and lot numbers, AMS5886C, size, quantity, and specific solution heat treatment temperature used. If forgings are supplied, the size and melt source of
36、 stock used to make the forgings shall also be included.4.4.2 If the ship size/shape is cut from a larger cross section, report the nominal metallurgically worked size(See 3.3.1.2).4.4.3 The vendor of forging stock shall furnish with each shipment a report showing the vendors name and country where
37、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 of each heat. This report shall include the purchase order number, AMS5886C, size and quality.4.5 Resampling and RetestingShall be as follows:4.5.1 Bars, Fla
38、sh Welded Rings, and Stock for Forging or Flash Welded RingsIn accordance with AMS2371.4.5.2 ForgingsIn accordance with AMS2374.5. PREPARATION FOR DELIVERY5.1 SizesExcept when exact lengths or multiples of exact lengths are ordered, straight bars will be acceptable in mill lengths of 6 to24 feet (1.
39、8 to 7.3 m) but not more than 25% of any shipment shall be supplied in lengths of 6 to 9 feet (1.8 to 2.7 m) except that for bars weighing over 25 pounds per foot (37.2 kg/m), short lengths down to 2 feet (610 mm) may be supplied.5.2 IdentificationShall be as follows:SAE INTERNATIONAL AMS5886C Page
40、6 of 65.2.1 BarsIn accordance with AMS 2806.5.2.2 ForgingsIn accordance with AMS2808.5.2.3 Flash Welded Rings and Stock for Forging or Flash Welded RingsAs agreed upon by purchaser and vendor.5.3 PackagingThe product shall be prepared for shipment in accordance with commercial practice and in compli
41、ance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery.6. ACKNOWLEDGMENTA vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purcha
42、se orders.7. REJECTIONSProduct not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection.8. NOTES8.1 A change bar (|) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes
43、, 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. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only.8.2 Hardness conversion tables for m
44、etals are presented in ASTM E 1408.3 Terms used in AMS are clarified in ARP1917.Dimensions and properties 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
45、and are presented only for information.8.4 Purchase documents should specify not less than the following:AMS5886CForm and size or part number of product desiredProperty and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range listed in 1.1.1.Quantity of product desired.PREPARED BY AMS COMMITTEE “F”
