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 2014 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/AMS5892B AEROSPACE MATERIAL SPECIFICATION AMS5892 REV. B Issued 1992-04Revised 20
5、08-11 Reaffirmed 2014-06 Superseding AMS5892A Alloy, Sheet and Strip 42Fe - 37.5Ni - 14Co - 4.8Cb (Nb) - 1.6Ti Solution Heat Treated, Precipitation Hardenable Multiple Melted, High Temperature, Low Expansion (Composition similar to UNS N19909) RATIONALE This document has been reaffirmed to comply wi
6、th the SAE five-year review policy. 1. SCOPE 1.1 Form This specification covers a low expansion iron alloy in the form of sheet or strip. 1.2 Application These products have been used typically for parts requiring a combination of high strength and low expansion properties up to 1200 F (649 C), but
7、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 to the extent specified herein. The supplier may work to a subsequent revision of a document unless a specific docume
8、nt 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 Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (i
9、nside USA and Canada) or 724-776-4970 (outside USA), www.sae.org. AMS2262 Tolerances, Nickel, Nickel Alloy, and Cobalt Alloy Sheet, Strip, and Plate AMS2269 Chemical Check Analysis Limits, Nickel, Nickel Alloys and Cobalt Alloys AMS2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resi
10、stant Steels and Alloys, Wrought Products and Forging Stock AMS2807 Identification, Carbon and Low-Alloy Steels, Corrosion and Heat-Resistant Steels and Alloys, Sheet, Strip, Plate, and Aircraft Tubing AS4194 Sheet and Strip Surface Finish Nomenclature SAE INTERNATIONAL AMS5892B Page 2 of 7 2.2 ASTM
11、 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 A 480/A 480M Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip ASTM E 8 Tension Testing of Metallic Materials ASTM E 18
12、Rockwell Hardness of Metallic Materials ASTM E 21 Elevated Temperature Tension Tests of Metallic Materials ASTM E 112 Determining Average Grain Size ASTM E 139 Conducting Creep, Creep-Rupture, and Stress-Rupture Tests of Metallic Materials ASTM E 228 Linear Thermal Expansion of Solid Materials with
13、a Push-Rod Dilatometer ASTM E 290 Bend Testing of Material for Ductility ASTM E 354 Chemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron, Nickel, and Cobalt Alloys ASTM E 384 Microindentation Hardness of Materials ASTM E 1181 Characterizing Duplex Grain Sizes 3. TECHNI
14、CAL 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 methods, or by other analytical methods acceptable to purchaser. TABLE 1 - COMPOSITION Element min max Carbon - 0.06 Mang
15、anese - 1.0 Silicon 0.25 0.50 Phosphorus - 0.015Sulfur - 0.015Nickel 35.0 40.0 Cobalt 12.0 16.0 Columbium 4.3 5.2 Titanium 1.3 1.8 Tantalum - 0.05 Chromium - 1.0 Aluminum - 0.15 Boron - 0.012Copper - 0.5 Iron remainder 3.1.1 Check Analysis Composition variations shall meet the applicable requirement
16、s of AMS2269. 3.2 Melting Practice Alloy shall be multiple melted using consumable electrode practice in the remelt cycle. If consumable electrode remelting is not performed in vacuum, electrodes which have been produced by vacuum induction melting shall be used for remelting. SAE INTERNATIONAL AMS5
17、892B Page 3 of 7 3.3 Condition Hot rolled or cold rolled, solution heat treated, and, unless solution heat treatment is performed in an atmosphere yielding a bright finish, descaled having a surface appearance comparable to the following commercial corrosion-resistant steel finishes in accordance wi
18、th ASTM A 480 and AS4194, and 3.3.1 or 3.3.2 as applicable. 3.3.1 Sheet Shall be No. 2D finish. 3.3.2 Strip Shall be No. 1 strip finish. 3.4 Solution Heat Treatment The product shall be solution heat treated by heating to 1800 F 25 (982 C 14), holding at heat for a time commensurate with section thi
19、ckness, and cooling at a rate equivalent to an air cool. 3.5 Properties Product 0.250 inch (6.35 mm) and under in nominal thickness shall conform to the following requirements: 3.5.1 As Solution Heat Treated 3.5.1.1 Tensile Properties Shall be as shown in Table 2, determined in accordance with ASTM
20、E 8. TABLE 2 - TENSILE PROPERTIES Property Value Tensile Strength, maximum 140.0 ksi (965 MPa) Yield Strength at 0.2% Offset, maximum 80.0 ksi (552 MPa) Elongation in 2 Inches (50.8 mm), minimum 30% 3.5.1.2 Hardness Shall be not higher than 100 HRB, or equivalent (See 8.2), determined in accordance
21、with ASTM E 18 or by microhardness test in accordance with ASTM E 384. Product shall not be rejected on the basis of hardness if the tensile property requirements of 3.5.1.1 are acceptable. Tensile properties shall be determined on material taken from the same sample as that with nonconforming hardn
22、ess or from another sample with similar nonconforming hardness. 3.5.1.3 Bending The product shall be tested in accordance with ASTM E 290 using a sample prepared nominally 0.75 inch (19.0 mm) in width, with its axis parallel to the direction of rolling and shall withstand, without cracking, when ben
23、ding at room temperature through an angle of 180 degrees around a diameter equal to the bend factor shown in Table 3 times the nominal thickness of the product. In case of dispute, the results of tests using the guided bend test of ASTM E 290 shall govern. SAE INTERNATIONAL AMS5892B Page 4 of 7 TABL
24、E 3 - BENDING FACTOR Nominal Thickness Inch Nominal Thickness Millimeters Bend Factor 0.018 to 0.050 0.46 to 1.27, incl 1 0.051 to 0.250 1.28 to 6.35, incl 2 3.5.1.4 Grain Size Uniformity As determined in accordance with ASTM E 112, shall be ASTM No. 5 or finer with no more than 20% of the specimen
25、area as large as ASTM No. 2. No single grain shall be larger than 0.014 inch (0.36 mm). 3.5.1.4.1 Limitations on duplex grain structures as defined by ASTM E 1181 shall be as agreed upon by purchaser and vendor. 3.5.2 After Re-Solution and Precipitation Heat Treatment The product shall have the foll
26、owing properties after being re-solution heat treated (See 8.3) by heating to 1800 F 25 (982 C 14) holding at heat for 60 minutes 15, and cooling at a rate equivalent to an air cool and precipitation heat treated by heating to 1375 F 15 (746 C 8), holding at heat for four hours 0.5, and cooling at a
27、 maximum rate of 100 F (56 C) degrees per hour to 1150 F 15 (621 C 8), holding at heat for four hours 0.5, and cooling at a rate equivalent to air cool. 3.5.2.1 Tensile Properties 3.5.2.1.1 At Room Temperature Shall be as shown in Table 4, determined in accordance with ASTM E 8. TABLE 4 - MINIMUM TE
28、NSILE PROPERTIES Property Value Tensile Strength 170 ksi (1172 MPa) Yield Strength at 0.2% Offset 125 ksi ( 862 MPa) Elongation in 2 Inches (50.8 mm) 10% 3.5.2.1.2 At 1200 F (649 C) Shall be as shown in Table 5, determined in accordance with ASTM E 21 on specimens heated to 1200 F 5 (649 C 3), held
29、at heat for 20 to 30 minutes before testing, and tested at 1200 F 5 (649 C 3). TABLE 5A - MINIMUM TENSILE PROPERTIES AT 1200 F, INCH/POUND UNITS Nominal Thickness Inch Tensile Strength ksiYield Strength at 0.2% Offset ksiElongation in 2 Inches% 0.018 to 0.030, incl 120 90 5 Over 0.030 to 0.250, incl
30、 120 90 8 SAE INTERNATIONAL AMS5892B Page 5 of 7 TABLE 5B - MINIMUM TENSILE PROPERTIES AT 649 C, SI UNITS Nominal Thickness Millimeters TensileStrengthMPa Yield Strengthat 0.2% OffsetMPa Elongation in 50.8 mm% 0.46 to 0.76, incl 827 621 5 Over 0.79 to 6.35, incl 827 621 8 3.5.2.1.2.1 Elevated temper
31、ature tensile properties for product 0.025 inch (0.64 mm) and under in nominal thickness may be established using a sample up to 0.025 inch (0.64 mm) in nominal thickness from the same master coil and heat. 3.5.2.2 Hardness Shall be not lower than 35 HRC, or equivalent (See 8.2), determined in accor
32、dance with ASTM E 18. Product shall not be rejected on the basis of hardness if the tensile property requirements of 3.5.2.1.1 are acceptable. Tensile properties shall be determined on material taken from the same sample as that with nonconforming hardness, or from another sample with similar noncon
33、forming hardness. 3.5.2.3 Stress-Rupture Properties at 1200 F (649 C) A tensile specimen, maintained at 1200 F 5 (649 C 3) while a load sufficient to produce the initial axial stress specified in Table 6 is applied continuously, shall not rupture in less than 23 hours. The test shall be continued to
34、 rupture without change of load. Elongation after rupture, measured at room temperature, shall be not less than shown in Table 6. Tests shall be conducted in accordance with ASTM E 139. TABLE 6A - MINIMUM STRESS-RUPTURE PROPERTIES, INCH/POUND UNITS Nominal Thickness Inch Initial Axial Stress, ksi El
35、ongation in 2 Inches% 0.018 to 0.030, incl 70 - Over 0.030 to 0.250, incl 70 4 TABLE 6B - MINIMUM STRESS-RUPTURE PROPERTIES, SI UNITS Nominal Thickness Millimeters Initial Axial Stress, MPa Elongation in 50.8 mm% 0.46 to 0.76, incl 483 - Over 0.79 to 6.35, incl 483 4 3.5.2.3.1 The test of 3.5.2.3 ma
36、y be conducted using a load higher than required to produce the initial axial stress specified in Table 6 but the load shall not be changed while test is in progress. Time to rupture and elongation requirements shall be as specified in 3.5.2.3. 3.5.2.3.2 When permitted by purchaser, the test of 3.5.
37、2.3 may be conducted using incremental loading. In such case, the load required to produce the initial axial stress shown in Table 6 shall be used to rupture or for 23 hours whichever occurs first. After the 23 hours and at intervals of 8 hours minimum, thereafter, the stress shall be increased in i
38、ncrements of 5.0 ksi (34.5 MPa). Time to rupture and elongation requirements shall be as specified in 3.5.2.3. 3.5.2.3.3 Stress-rupture properties, for product 0.025 inch (0.64 mm) and under in nominal thickness, may be established using a sample up to 0.025 inch (0.64 mm) in nominal thickness from
39、the same master coil and heat. SAE INTERNATIONAL AMS5892B Page 6 of 7 3.5.2.4 Thermal Expansion Shall be determined in accordance with ASTM E 228 on each heat of alloy. 3.5.2.4.1 Coefficient of Expansion Shall be 4.00 to 4.50 x 10-6inch/inch/F (7.2 to 8.1 x 10-6mm/mm/ C) at 780 F (416 C) using 77 F
40、(25 C) as a reference. 3.5.2.4.2 Inflection Temperature Shall be 750 to 850 F (399 to 454 C), determined by establishing the intersection of the tangents of the upper and lower portions of the dilatometric expansion curve. 3.6 Quality The product, as received by purchaser, shall be uniform in qualit
41、y and condition, sound, and free from foreign materials and from imperfections detrimental to usage of the product. 3.7 Tolerances Shall conform to all applicable requirements of AMS2262. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of the product shall supply all sam
42、ples 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 conforms to specified requirements. 4.2 Classification of Tests All technical requirem
43、ents are acceptance tests and shall be performed on each heat or lot as applicable. 4.3 Sampling and Testing Shall be in accordance with AMS2371. 4.4 Reports The vendor of the product shall furnish with each shipment a report showing the results of tests for composition and thermal expansion propert
44、ies of each heat and for tensile properties and bending as solution heat treated, grain size uniformity, description of duplex grain structures, tensile properties, hardness and stress rupture properties after re-solution and precipitation heat treatment, (if other than at product size) the thicknes
45、s at which elevated tensile and stress rupture tests were conducted, 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 numbers, AMS5892B, size, and quantity. 4.5 Resampling and Retesting Shall be
46、in accordance with AMS2371. 5. PREPARATION FOR DELIVERY 5.1 Identification Shall be in accordance with AMS2807. SAE INTERNATIONAL AMS5892B Page 7 of 7 5.2 Packaging The product shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulatio
47、ns pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS Product not c
48、onforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8. NOTES 8.1 A change bar (|) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous i
49、ssue of a document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revision. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 Hardness conversion tables for metals are presented in ASTM E 140. 8.3 Plastic strain, introduced after mill a
